{"id":"vidhyamitra:city-day:boston:2026-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2026-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-12-18","date_display":"December 18, 2026 CE","panchanga":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":2026,"month":12,"day":18,"hour":17.052266666666668,"minute":16.994,"second":0,"calendar":"gregorian"},"julian_day":2461393.222312,"kali_year":5128,"ahargana":1872927.7223,"sun":{"sidereal_longitude":241.9706,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":350.1765,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.2059,"elapsed_within_tithi_degrees":0.2059},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.1765,"elapsed_within_degrees":3.5098},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.1471},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya Siddhānta four-step process (II.43-44), tabular sines, even/odd epicycles, no bīja; verified against Burgess 1860 worked example","engine_version":"4.0 (Pūrṇa — Burgess text, 2026-09-26)","tradition_sources":"Sūrya Siddhānta Ch. I-III, tr. E. Burgess (JAOS 6, 1860)","input":{"year":2026,"month":12,"day":18,"hour":17.052266666666668,"minute":16.994,"calendar":"gregorian"},"julian_day":2461393.222312,"ahargana":1872927.7223,"kali_year":5128,"ayanamsa":22.9151,"grahas":{"sun":{"sidereal_longitude":241.9706,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":350.1765,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":3.2842},"mars":{"sidereal_longitude":131.6663,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":234.408,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":127.8333,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":194.9676,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":335.6812,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":303.2761,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":123.2761,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta (Burgess 1860 text, no bīja): Sun and Moon by the equation of the apsis with the 24-sine table","engine_version":"3.0 (text of the Sūrya Siddhānta)","accuracy_note":"Siddhāntic places, not the observed sky. Against the observed sky 1900-2030 the Moon averages -0.06 deg (max 3.6 deg), the Sun -0.21 deg (max 0.6 deg).","tradition_chain":"Sūrya Siddhānta, tr. E. Burgess (JAOS 6, 1860): I.29-47, II.15-45","input":{"year":2026,"month":12,"day":18,"hour":17.052266666666668,"minute":16.994,"second":0,"calendar":"gregorian"},"julian_day":2461393.222312,"kali_year":5128,"ahargana":1872927.7223,"sun":{"sidereal_longitude":241.9706,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":350.1765,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":108.2059,"elapsed_within_tithi_degrees":0.2059},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.1765,"elapsed_within_degrees":3.5098},"yoga":{"number":18,"name":"Varīyān","sum_longitude":232.1471},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.284,"elongation":108.206},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.284,"opposition_distance":71.794}},"eclipse_window_40days":[]},"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"boston","name":"Boston, USA","lat":42.3601,"lon":-71.0589,"tz_offset_hours":-5,"country":"US","tier":"diaspora"},"sunriseLocal":"07:17","sunsetLocal":"16:07","solarNoonLocal":"11:42","dayLengthHours":8.832392536103725,"dayLengthDisplay":"8 Hours 49 Mins 57 Secs","nightLengthDisplay":"15 Hours 10 Mins 03 Secs","moonriseLocal":"12:31","moonsetLocal":"01:05","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"11:42","startHours":10.595387277193367,"endHours":11.699436344206333},"yamaganda":{"name":"Yamaganda","start":"13:54","end":"15:01","startHours":13.907534478232265,"endHours":15.01158354524523},"gulika":{"name":"Gulika Kāla","start":"08:23","end":"09:29","startHours":8.387289143167436,"endHours":9.491338210180402},"abhijit":{"name":"Abhijit Muhūrta","start":"11:24","end":"12:00","startHours":11.4,"endHours":12},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"06:16","startHours":5.266666666666667,"endHours":6.266666666666667},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:01","end":"16:13","startHours":16.016666666666666,"endHours":16.216666666666665},"nishitaMuhurta":{"name":"Niśītha","start":"23:12","end":"00:12","startHours":23.2,"endHours":24.2},"sourcedMuhurtas":{"success":true,"date":"2026-12-18","sunrise":"07:17","sunset":"16:07","timezone":"UTC-5","calculation_method":"surya_siddhanta (II.59-63, II.46)","rahu_kalam":{"name":"Rāhu Kālam","sanskrit":"राहु काल","start":"10:36","end":"11:42","duration_minutes":66.2,"rule":"part 4 of the day's 8 (Sun 8, Mon 2, Tue 7, Wed 5, Thu 6, Fri 4, Sat 3)","source":"South Indian almanac table (Tamil Nadu, Karnataka, Kerala); no verse found in BPHS, Bṛhatsaṃhitā, Muhūrtacintāmaṇi, Muhūrta-mārtaṇḍa, Nārada-saṃhitā, Phaladīpikā, Dharmasindhu, Nirṇayasindhu or Praśna-mārga","sources_say":["Uttara-kālāmṛta 2.29 (post-16th century; read in P. S. Sastri's English): not to bathe in the sea during it. The editor: \"Standard texts have no mention of it.\""],"evidence":"regional convention"},"yamaganda_kalam":{"name":"Yamaghaṇṭaka (Yamagaṇḍa) Kālam","sanskrit":"यमघण्टक","start":"13:54","end":"15:01","duration_minutes":66.2,"rule":"Jupiter's eighth of the day: part 7 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: listed with Ardhapraharam and Kālan as periods to be set aside","Phaladīpikā 25.19-20 (as a natal upagraha): Yamakaṇṭaka acts like Jupiter, the strongest of the upagrahas at giving good","Muhūrtacintāmaṇi 1.37-39 counts a Yamaghaṇṭa among the faulty moments (duṣṭakṣaṇa), in sixteenths of the day: the second half of this eighth"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},"gulika_kalam":{"name":"Gulika Kālam","sanskrit":"गुलिक","start":"08:23","end":"09:29","duration_minutes":66.2,"rule":"Saturn's eighth of the day: part 2 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 34 (tr. N. P. Subramania Iyer, 1917): for harvest, trade, medical treatment and the study of the Vedas \"Gulika has no evil force\"; ch. 33 note: \"Gulika is not considered inauspicious\"","Phaladīpikā 25.20 (as a natal upagraha): Gulika acts like Saturn"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},"brahma_muhurta":{"name":"Brahma Muhūrta","sanskrit":"ब्रह्म मुहूर्त","start":"05:16","end":"06:16","duration_minutes":60.7,"rule":"the 14th fifteenth of the night ending at this sunrise","source":"Manusmṛti 4.92; Aṣṭāṅgahṛdaya Sūtra 2.1, with Aruṇadatta and Hemādri","sources_say":["Manusmṛti 4.92: \"brāhme muhūrte budhyeta\" (one should wake in the brāhma muhūrta and reflect on dharma and the Veda)","Aṣṭāṅgahṛdaya Sūtra 2.1: \"brāhme muhūrta uttiṣṭhet svastho rakṣārtham āyuṣaḥ\" (the healthy should rise then, to protect life)","Aruṇadatta: \"rātreś caturdaśo muhūrto brāhmo muhūrtaḥ\"; Hemādri: \"rātreś copāntyo muhūrto brāhmaḥ\" (wording through a journal article)"],"evidence":"secondary","note":"Manu and Vāgbhaṭa name it; the 14th of the night is the commentators' definition"},"abhijit_muhurta":{"name":"Abhijit Muhūrta","sanskrit":"अभिजित् मुहूर्त","start":"11:24","end":"12:00","duration_minutes":35.3,"rule":"the 8th fifteenth of the day, around midday","source":"Ṭikaṇikayātrā 3.7-8; Muhūrta-gaṇapati 83-86; Nārada-saṃhitā 9.4-5","sources_say":["Ṭikaṇikayātrā 3.8: \"tena yānam apahāya dakṣiṇāṃ sarvadikṣv abhijit praśasyate\" (under Abhijit, travel in every direction but the south is praised)","Muhūrta-gaṇapati 83-84: in Abhijit, even where faults exist, one may do all auspicious work except travel to the south","Vālmīki-Rāmāyaṇa 6.4.3 calls the midday muhūrta Vijaya (\"yukto muhūrto vijayaḥ prāpto madhyaṃ divākaraḥ\")"],"evidence":"verse read"},"nishitha":{"name":"Niśītha","sanskrit":"निशीथ","start":"23:12","end":"00:12","duration_minutes":60.7,"rule":"the 8th fifteenth of the night: the middle of the night (not clock midnight)","source":"Dharmasindhu; Muhūrtacintāmaṇi, Yātrā 11.54","sources_say":["Dharmasindhu: niśītha is the middle of the night, finely the 8th muhūrta; the instant at which a tithi is taken for night observances","Muhūrtacintāmaṇi, Yātrā 11.54: for travel, niśītha except toward the north"],"evidence":"verse read (OCR)"},"godhuli":{"name":"Godhūli","sanskrit":"गोधूलि","start":"16:01","end":"16:13","duration_minutes":12,"rule":"15 pala before and after the half-set Sun (the text's sunset is the Sun's centre on the horizon)","source":"Muhūrta-mārtaṇḍa, Vivāha 38 (citing the Jyotirnibandha); Muhūrtacintāmaṇi, Vivāha 6.100-101","sources_say":["Muhūrtacintāmaṇi 6.100: \"godhūliḥ sā munibhir uditā sarvakāryeṣu praśastā\" (the sages declared godhūli praised for all works)","Muhūrta-mārtaṇḍa, Vivāha 38: a lagna for marriage when no other good lagna is available","Muhūrtacintāmaṇi, Yātrā 11.54: for travel, godhūli except toward the west"],"evidence":"verse read (OCR)","note":"MC 6.101 places the instant by season (in hemanta the rayless disk, in the hot season the half-set Sun, in the rains the Sun fully set); the half-set form is given"},"kala_vela":{"day":[{"name":"Gulika (day)","sanskrit":"गुलिक","start":"08:23","end":"09:29","duration_minutes":66.2,"rule":"Saturn's eighth of the day: part 2 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 34 (tr. N. P. Subramania Iyer, 1917): for harvest, trade, medical treatment and the study of the Vedas \"Gulika has no evil force\"; ch. 33 note: \"Gulika is not considered inauspicious\"","Phaladīpikā 25.20 (as a natal upagraha): Gulika acts like Saturn"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Yamaghaṇṭaka (day)","sanskrit":"यमघण्टक","start":"13:54","end":"15:01","duration_minutes":66.2,"rule":"Jupiter's eighth of the day: part 7 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: listed with Ardhapraharam and Kālan as periods to be set aside","Phaladīpikā 25.19-20 (as a natal upagraha): Yamakaṇṭaka acts like Jupiter, the strongest of the upagrahas at giving good","Muhūrtacintāmaṇi 1.37-39 counts a Yamaghaṇṭa among the faulty moments (duṣṭakṣaṇa), in sixteenths of the day: the second half of this eighth"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Kāla (day)","sanskrit":"काल","start":"09:29","end":"10:36","duration_minutes":66.2,"rule":"Sun's eighth of the day: part 3 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: Kālan, to be set aside","Phaladīpikā 25.20: acts like Rāhu"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Mṛtyu (day)","sanskrit":"मृत्यु","start":"11:42","end":"12:48","duration_minutes":66.2,"rule":"Mars's eighth of the day: part 5 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Ardhaprahara (day)","sanskrit":"अर्धप्रहर","start":"12:48","end":"13:54","duration_minutes":66.2,"rule":"Mercury's eighth of the day: part 6 of 8, counted from Venus","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: Ardhapraharam, to be set aside","Phaladīpikā 25.20: acts like Mercury"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"}],"night":[{"name":"Gulika (night)","sanskrit":"गुलिक","start":"23:42","end":"01:36","duration_minutes":113.8,"rule":"Saturn's eighth of the night: part 5 of 8, counted from Mars","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 34 (tr. N. P. Subramania Iyer, 1917): for harvest, trade, medical treatment and the study of the Vedas \"Gulika has no evil force\"; ch. 33 note: \"Gulika is not considered inauspicious\"","Phaladīpikā 25.20 (as a natal upagraha): Gulika acts like Saturn"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Yamaghaṇṭaka (night)","sanskrit":"यमघण्टक","start":"19:55","end":"21:48","duration_minutes":113.8,"rule":"Jupiter's eighth of the night: part 3 of 8, counted from Mars","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: listed with Ardhapraharam and Kālan as periods to be set aside","Phaladīpikā 25.19-20 (as a natal upagraha): Yamakaṇṭaka acts like Jupiter, the strongest of the upagrahas at giving good","Muhūrtacintāmaṇi 1.37-39 counts a Yamaghaṇṭa among the faulty moments (duṣṭakṣaṇa), in sixteenths of the day: the second half of this eighth"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Kāla (night)","sanskrit":"काल","start":"01:36","end":"03:30","duration_minutes":113.8,"rule":"Sun's eighth of the night: part 6 of 8, counted from Mars","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: Kālan, to be set aside","Phaladīpikā 25.20: acts like Rāhu"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Mṛtyu (night)","sanskrit":"मृत्यु","start":"16:07","end":"18:01","duration_minutes":113.8,"rule":"Mars's eighth of the night: part 1 of 8, counted from Mars","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"},{"name":"Ardhaprahara (night)","sanskrit":"अर्धप्रहर","start":"18:01","end":"19:55","duration_minutes":113.8,"rule":"Mercury's eighth of the night: part 2 of 8, counted from Mars","source":"Bṛhat-Parāśara-Horāśāstra ch. 3 (upagrahas)","sources_say":["Kālaprakāśikā ch. 33: Ardhapraharam, to be set aside","Phaladīpikā 25.20: acts like Mercury"],"evidence":"verse read","note":"BPHS uses these parts to fix the upagraha points; the 8th eighth has no lord"}]},"day_muhurtas":[{"name":"Śiva","sanskrit":"शिव","deity":"Śiva","start":"07:17","end":"07:52","duration_minutes":35.3,"rule":"the 1th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Bhujaga","sanskrit":"भुजग","deity":"Bhujaga","start":"07:52","end":"08:28","duration_minutes":35.3,"rule":"the 2th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Mitra","sanskrit":"मित्र","deity":"Mitra","start":"08:28","end":"09:03","duration_minutes":35.3,"rule":"the 3th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Pitṛ","sanskrit":"पितृ","deity":"Pitṛ","start":"09:03","end":"09:38","duration_minutes":35.3,"rule":"the 4th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Vasu","sanskrit":"वसु","deity":"Vasu","start":"09:38","end":"10:14","duration_minutes":35.3,"rule":"the 5th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Jala","sanskrit":"जल","deity":"Jala","start":"10:14","end":"10:49","duration_minutes":35.3,"rule":"the 6th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Viśva","sanskrit":"विश्व","deity":"Viśva","start":"10:49","end":"11:24","duration_minutes":35.3,"rule":"the 7th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Viriñci (Abhijit)","sanskrit":"विरिञ्चि","deity":"Viriñci (Abhijit)","start":"11:24","end":"12:00","duration_minutes":35.3,"rule":"the 8th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Paṅkajaprabhava (Brahmā)","sanskrit":"पङ्कजप्रभव","deity":"Paṅkajaprabhava (Brahmā)","start":"12:00","end":"12:35","duration_minutes":35.3,"rule":"the 9th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Indra","sanskrit":"इन्द्र","deity":"Indra","start":"12:35","end":"13:10","duration_minutes":35.3,"rule":"the 10th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse 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Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Aryaman","sanskrit":"अर्यमन्","deity":"Aryaman","start":"14:56","end":"15:32","duration_minutes":35.3,"rule":"the 14th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Yoni (Bhaga)","sanskrit":"योनि","deity":"Yoni (Bhaga)","start":"15:32","end":"16:07","duration_minutes":35.3,"rule":"the 15th fifteenth of the day (sunrise to sunset)","source":"Ṭikaṇikayātrā 3.2, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"}],"night_muhurtas":[{"name":"Rudra","sanskrit":"रुद्र","deity":"Rudra","start":"16:07","end":"17:08","duration_minutes":60.7,"rule":"the 1th fifteenth of the 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read"},{"name":"Pūṣan","sanskrit":"पूषन्","deity":"Pūṣan","start":"19:09","end":"20:10","duration_minutes":60.7,"rule":"the 4th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Dasra","sanskrit":"दस्र","deity":"Dasra","start":"20:10","end":"21:10","duration_minutes":60.7,"rule":"the 5th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Antaka","sanskrit":"अन्तक","deity":"Antaka","start":"21:10","end":"22:11","duration_minutes":60.7,"rule":"the 6th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Agni","sanskrit":"अग्नि","deity":"Agni","start":"22:11","end":"23:12","duration_minutes":60.7,"rule":"the 7th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Dhātṛ","sanskrit":"धातृ","deity":"Dhātṛ","start":"23:12","end":"00:12","duration_minutes":60.7,"rule":"the 8th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Indu","sanskrit":"इन्दु","deity":"Indu","start":"00:12","end":"01:13","duration_minutes":60.7,"rule":"the 9th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Aditi","sanskrit":"अदिति","deity":"Aditi","start":"01:13","end":"02:14","duration_minutes":60.7,"rule":"the 10th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Guru","sanskrit":"गुरु","deity":"Guru","start":"02:14","end":"03:15","duration_minutes":60.7,"rule":"the 11th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Hari","sanskrit":"हरि","deity":"Hari","start":"03:15","end":"04:15","duration_minutes":60.7,"rule":"the 12th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Ravi","sanskrit":"रवि","deity":"Ravi","start":"04:15","end":"05:16","duration_minutes":60.7,"rule":"the 13th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Tvaṣṭṛ","sanskrit":"त्वष्टृ","deity":"Tvaṣṭṛ","start":"05:16","end":"06:17","duration_minutes":60.7,"rule":"the 14th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"},{"name":"Anila","sanskrit":"अनिल","deity":"Anila","start":"06:17","end":"07:17","duration_minutes":60.7,"rule":"the 15th fifteenth of the night (sunset to the next sunrise)","source":"Ṭikaṇikayātrā 3.3, 3.4 (Varāhamihira)","sources_say":["Ṭikaṇikayātrā 3.5 and Bṛhatsaṃhitā 98.3: a muhūrta is judged by its presiding deity, as a nakṣatra is"],"evidence":"verse read"}],"vara_lord":"Śukra","vara_sanskrit":"शुक्रवार","not_computed":[{"name":"Vijaya muhūrta as \"the second half of the 7th muhūrta\"","reason":"no source; Rāmāyaṇa 6.4.3 calls the midday muhūrta Vijaya (see Abhijit)"},{"name":"Amṛta kāla by weekday","reason":"no source for a weekday table; the amṛta-ghaṭikā of the sources is by nakṣatra and is not yet read from a primary text"},{"name":"Durmuhūrta (Muhūrtacintāmaṇi 1.38-39)","reason":"the weekday table is partly unreadable in the scans (Tuesday and 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8","start":"14:17","end":"15:17","startHours":14.28324007615447,"endHours":15.28324007615447,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:17","end":"16:17","startHours":15.28324007615447,"endHours":16.28324007615447,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:17","end":"17:17","startHours":16.28324007615447,"endHours":17.28324007615447,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:17","end":"18:17","startHours":17.28324007615447,"endHours":18.28324007615447,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:17","end":"19:17","startHours":18.28324007615447,"endHours":19.28324007615447,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:17","end":"20:17","startHours":19.28324007615447,"endHours":20.28324007615447,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:17","end":"21:17","startHours":20.28324007615447,"endHours":21.28324007615447,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:17","end":"22:17","startHours":21.28324007615447,"endHours":22.28324007615447,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:17","end":"23:17","startHours":22.28324007615447,"endHours":23.28324007615447,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:17","end":"00:17","startHours":23.28324007615447,"endHours":24.28324007615447,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:17","end":"01:17","startHours":24.28324007615447,"endHours":25.28324007615447,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:17","end":"02:17","startHours":25.28324007615447,"endHours":26.28324007615447,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:17","end":"03:17","startHours":26.28324007615447,"endHours":27.28324007615447,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:17","end":"04:17","startHours":27.28324007615447,"endHours":28.28324007615447,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:17","end":"05:17","startHours":28.28324007615447,"endHours":29.28324007615447,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:17","end":"06:17","startHours":29.28324007615447,"endHours":30.28324007615447,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:17","end":"07:17","startHours":30.28324007615447,"endHours":31.28324007615447,"planetary_lord":"Mars"}],"taraBala":{"day_star":"Revatī","by_tara":[{"number":1,"name":"Janma","janma_stars":["Aśleṣā","Jyeṣṭhā","Revatī"]},{"number":2,"name":"Sampat","janma_stars":["Puṣya","Anurādhā","Uttara Bhādrapadā"]},{"number":3,"name":"Vipat","janma_stars":["Punarvasu","Viśākhā","Pūrva Bhādrapadā"]},{"number":4,"name":"Kṣema","janma_stars":["Ārdrā","Svātī","Śatabhiṣaj"]},{"number":5,"name":"Pratyari","janma_stars":["Mṛgaśirā","Citrā","Dhaniṣṭhā"]},{"number":6,"name":"Sādhaka","janma_stars":["Rohiṇī","Hasta","Śravaṇa"]},{"number":7,"name":"Vadha","janma_stars":["Kṛttikā","Uttara Phalgunī","Uttara Āṣāḍhā"]},{"number":8,"name":"Maitra","janma_stars":["Bharaṇī","Pūrva Phalgunī","Pūrva Āṣāḍhā"]},{"number":9,"name":"Atimaitra","janma_stars":["Aśvinī","Maghā","Mūla"]}],"rule":"Counted from the janma star to the day's star, in three rounds of nine","source":"Muhūrtacintāmaṇi, Gocara 11-12","sources_say":"\"tārā nāmasadṛkphalāḥ\": each tārā gives fruit like its name (v.12)"},"chandraBala":{"moon_rashi":"Mīna","rows":[{"janma_rashi":"Meṣa","house":12,"place":null,"vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Vṛṣabha","house":11,"place":"v.1","vedha_from_house":8,"vedha_by":["Sun"]},{"janma_rashi":"Mithuna","house":10,"place":"v.1","vedha_from_house":4,"vedha_by":[]},{"janma_rashi":"Karka","house":9,"place":"v.4 (bright half)","vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Siṃha","house":8,"place":null,"vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Kanyā","house":7,"place":"v.1","vedha_from_house":2,"vedha_by":["Venus"]},{"janma_rashi":"Tulā","house":6,"place":"v.1","vedha_from_house":12,"vedha_by":[]},{"janma_rashi":"Vṛścika","house":5,"place":"v.4 (bright half)","vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Dhanu","house":4,"place":null,"vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Makara","house":3,"place":"v.1","vedha_from_house":9,"vedha_by":[]},{"janma_rashi":"Kumbha","house":2,"place":"v.4 (bright half)","vedha_from_house":null,"vedha_by":[]},{"janma_rashi":"Mīna","house":1,"place":"v.1","vedha_from_house":5,"vedha_by":[]}],"rule":"The Moon's house counted from the janma rāśi; the places of v.1 with their vedha houses, and in the bright half those of v.4","source":"Muhūrtacintāmaṇi, Gocara 1-4","not_computed":"the vedha of the v.4 places (the ṭīkā gives 6, 8, 4; not checked against a second edition)"},"dishaShool":"West","dishaShoolSource":"Nārada-saṃhitā 33.5 (and Muhūrtacintāmaṇi, Yātrā 10): \"na vrajet\", one should not set out that way on that weekday","chandraVasa":"North","chandraVasaSource":"Nārada-saṃhitā 33.8: the rāśis from Meṣa in turn to the four quarters from the east; the Moon dwells in her rāśi's quarter","rahuVasa":null,"rahuVasaNotComputed":"Rāhu-vāsa by weekday: no classical verse found (Muhūrtacintāmaṇi has only the nakṣatra-based Pathi-Rāhu-cakra, Yātrā 18); an almanac convention, not shown","anandadiYoga":{"number":8,"name":"Śrīvatsa","star":"Revatī","counted_from":"Uttara-Āṣāḍhā","excluded_ghatis":null,"rule":"Counted from the weekday's star to the day's star, Abhijit included (28)","source":"Muhūrtacintāmaṇi, Śubhāśubha 23-26; Abhijit by Vivāha 55"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"Sūrya Siddhānta: 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Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-10-06T18:46:32.319Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Sūrya Siddhānta: sunrise II.59-63, declination II.28, apparent time II.46, ayanāṃśa III.9-10","retrieved_at":"2026-10-06T18:46:32.319Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-10-06T18:46:32.319Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. 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