{"id":"vidhyamitra:city-day:seattle:2017-12-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/seattle/2017-12-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-12-15","date_display":"December 15, 2017 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458102.770833,"kali_year":5119,"ahargana":1869637.2708,"sun":{"sidereal_longitude":238.7136,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":201.9991,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.2855,"elapsed_within_tithi_degrees":11.2855},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9991,"elapsed_within_degrees":1.9991},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.7127},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2017,"month":12,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458102.770833,"ahargana":1869637.2708,"kali_year":5119,"ayanamsa_lahiri":24.1038,"grahas":{"sun":{"sidereal_longitude":239.14225499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":203.785255,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":4.4783},"mars":{"sidereal_longitude":189.14975500000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":234.19725500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":199.51655499999993,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":232.84985499999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":245.138055,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":117.6201,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.6201,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2017,"month":12,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458102.770833,"kali_year":5119,"ahargana":1869637.2708,"sun":{"sidereal_longitude":238.7136,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":201.9991,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":323.2855,"elapsed_within_tithi_degrees":11.2855},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":201.9991,"elapsed_within_degrees":1.9991},"yoga":{"number":7,"name":"Sukarma","sum_longitude":80.7127},"karana":{"half_tithi_index":53,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.478,"elongation":36.715},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.478,"opposition_distance":143.285}},"eclipse_window_40days":[]},"city":{"slug":"seattle","name":"Seattle, USA","lat":47.6062,"lon":-122.3321,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"seattle","name":"Seattle, USA","lat":47.6062,"lon":-122.3321,"tz_offset_hours":-8,"country":"US","tier":"diaspora"},"sunriseLocal":"07:51","sunsetLocal":"16:19","solarNoonLocal":"12:05","dayLengthHours":8.455862341603435,"dayLengthDisplay":"8 Hours 27 Mins 21 Secs","nightLengthDisplay":"15 Hours 32 Mins 39 Secs","moonriseLocal":"04:59","moonsetLocal":"14:28","rahuKala":{"name":"Rāhu Kāla","start":"11:02","end":"12:05","startHours":11.028858290073368,"endHours":12.085841082773797,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:12","end":"15:15","startHours":14.199806668174656,"endHours":15.256789460875085,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:55","end":"09:58","startHours":8.914892704672509,"endHours":9.971875497372938,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:50","end":"10:07","startHours":9.830944458346215,"endHours":10.112806536399662,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:13","end":"08:26","startHours":8.210237509538889,"endHours":8.435727171981647,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:22","startHours":11.803979004720349,"endHours":12.367703160827245,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:44","end":"07:18","startHours":6.730461599758288,"endHours":7.2941857558651835,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"07:09","end":"07:51","startHours":7.15325471683846,"endHours":7.857909911972079,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:30","end":"14:04","startHours":13.495151473041036,"endHours":14.05887562914793,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:07","end":"16:31","startHours":16.113772253575515,"endHours":16.513772253575514,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:19","end":"16:40","startHours":16.313772253575515,"endHours":16.666099851142324,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:04","end":"17:49","startHours":16.063772253575515,"endHours":17.813772253575515,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:22","startHours":23.80397900472035,"endHours":24.367703160827244,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:51","end":"08:55","startHours":7.857909911972079,"endHours":8.914892704672509,"quality":"neutral"},{"name":"Labha","start":"08:55","end":"09:58","startHours":8.914892704672509,"endHours":9.971875497372938,"quality":"auspicious"},{"name":"Amṛta","start":"09:58","end":"11:02","startHours":9.971875497372938,"endHours":11.028858290073368,"quality":"auspicious"},{"name":"Kāla","start":"11:02","end":"12:05","startHours":11.028858290073368,"endHours":12.085841082773797,"quality":"inauspicious"},{"name":"Śubha","start":"12:05","end":"13:09","startHours":12.085841082773797,"endHours":13.142823875474226,"quality":"auspicious"},{"name":"Roga","start":"13:09","end":"14:12","startHours":13.142823875474226,"endHours":14.199806668174656,"quality":"inauspicious"},{"name":"Udveg","start":"14:12","end":"15:15","startHours":14.199806668174656,"endHours":15.256789460875085,"quality":"inauspicious"},{"name":"Chala","start":"15:15","end":"16:19","startHours":15.256789460875085,"endHours":16.313772253575515,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"16:19","end":"18:15","startHours":16.313772253575515,"endHours":18.256789460875083,"quality":"inauspicious"},{"name":"Udveg","start":"18:15","end":"20:12","startHours":18.256789460875083,"endHours":20.199806668174656,"quality":"inauspicious"},{"name":"Chala","start":"20:12","end":"22:09","startHours":20.199806668174656,"endHours":22.142823875474228,"quality":"neutral"},{"name":"Labha","start":"22:09","end":"00:05","startHours":22.142823875474228,"endHours":24.085841082773797,"quality":"auspicious"},{"name":"Amṛta","start":"00:05","end":"02:02","startHours":24.085841082773797,"endHours":26.028858290073366,"quality":"auspicious"},{"name":"Kāla","start":"02:02","end":"03:58","startHours":26.028858290073366,"endHours":27.971875497372938,"quality":"inauspicious"},{"name":"Śubha","start":"03:58","end":"05:55","startHours":27.971875497372938,"endHours":29.91489270467251,"quality":"auspicious"},{"name":"Roga","start":"05:55","end":"07:51","startHours":29.91489270467251,"endHours":31.85790991197208,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:51","end":"08:51","startHours":7.857909911972079,"endHours":8.85790991197208,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:51","end":"09:51","startHours":8.85790991197208,"endHours":9.85790991197208,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:51","end":"10:51","startHours":9.85790991197208,"endHours":10.85790991197208,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:51","end":"11:51","startHours":10.85790991197208,"endHours":11.85790991197208,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:51","end":"12:51","startHours":11.85790991197208,"endHours":12.85790991197208,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:51","end":"13:51","startHours":12.85790991197208,"endHours":13.85790991197208,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:51","end":"14:51","startHours":13.85790991197208,"endHours":14.85790991197208,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:51","end":"15:51","startHours":14.85790991197208,"endHours":15.85790991197208,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:51","end":"16:51","startHours":15.85790991197208,"endHours":16.85790991197208,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:51","end":"17:51","startHours":16.85790991197208,"endHours":17.85790991197208,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:51","end":"18:51","startHours":17.85790991197208,"endHours":18.85790991197208,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:51","end":"19:51","startHours":18.85790991197208,"endHours":19.85790991197208,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:51","end":"20:51","startHours":19.85790991197208,"endHours":20.85790991197208,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:51","end":"21:51","startHours":20.85790991197208,"endHours":21.85790991197208,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:51","end":"22:51","startHours":21.85790991197208,"endHours":22.85790991197208,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:51","end":"23:51","startHours":22.85790991197208,"endHours":23.85790991197208,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:51","end":"00:51","startHours":23.85790991197208,"endHours":24.85790991197208,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:51","end":"01:51","startHours":24.85790991197208,"endHours":25.85790991197208,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:51","end":"02:51","startHours":25.85790991197208,"endHours":26.85790991197208,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:51","end":"03:51","startHours":26.85790991197208,"endHours":27.85790991197208,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:51","end":"04:51","startHours":27.85790991197208,"endHours":28.85790991197208,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:51","end":"05:51","startHours":28.85790991197208,"endHours":29.85790991197208,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:51","end":"06:51","startHours":29.85790991197208,"endHours":30.85790991197208,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:51","end":"07:51","startHours":30.85790991197208,"endHours":31.85790991197208,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.264249100251956,"eotMinutes":4.177935033572184,"ayanamsa":24.1038}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Dvādaśī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"seattle"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 15, 2017 CE · Seattle, USA · Vidhyamitra","description":"December 15, 2017 CE for Seattle, USA: Kṛṣṇa Dvādaśī, sūryodaya 07:51, sūryāsta 16:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/seattle/2017-12-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/seattle/2017-12-15","sa":"https://sa.vidhyamitra.com/city/seattle/2017-12-15","hi":"https://hi.vidhyamitra.com/city/seattle/2017-12-15","x-default":"https://vidhyamitra.com/city/seattle/2017-12-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T17:07:50.510Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-15T17:07:50.510Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T17:07:50.510Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}