{"id":"vidhyamitra:city-day:boston:-3136-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/-3136-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3136-01-01","date_display":"January 1, 3137 BCE","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":-3136,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575633.770833,"kali_year":-35,"ahargana":-12831.7292,"sun":{"sidereal_longitude":315.0241,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":121.7943,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.7703,"elapsed_within_tithi_degrees":10.7703},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.7943,"elapsed_within_degrees":1.7943},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.8184},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":-3136,"month":1,"day":1,"hour":6,"minute":30,"calendar":"julian"},"julian_day":575633.770833,"ahargana":-12831.7292,"kali_year":-35,"ayanamsa_lahiri":-47.8936,"grahas":{"sun":{"sidereal_longitude":315.0241,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":121.7943,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false,"latitude":-1.3962},"mars":{"sidereal_longitude":100.7036,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"mercury":{"sidereal_longitude":329.6472,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":7.3385,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":317.5627,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":286.3633,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":139.8868,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":319.8868,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"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":-3136,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":575633.770833,"kali_year":-35,"ahargana":-12831.7292,"sun":{"sidereal_longitude":315.0241,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":121.7943,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":166.7703,"elapsed_within_tithi_degrees":10.7703},"nakshatra":{"number":10,"name":"Maghā","pada":1,"moon_longitude":121.7943,"elapsed_within_degrees":1.7943},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.8184},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.396,"elongation":166.77},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.396,"opposition_distance":13.23}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":1.379,"elongation":1.905},{"offset_days":1,"type":"lunar","occurs":true,"moon_latitude":-0.42,"opposition_distance":1.553}]},"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":"07:16","sunsetLocal":"16:20","solarNoonLocal":"11:48","dayLengthHours":9.07779935856719,"dayLengthDisplay":"9 Hours 04 Mins 40 Secs","nightLengthDisplay":"14 Hours 55 Mins 20 Secs","moonriseLocal":"15:23","moonsetLocal":"06:27","rahuKala":{"name":"Rāhu Kāla","start":"12:56","end":"14:04","startHours":12.933737891877499,"endHours":14.0684628116984,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:16","end":"08:24","startHours":7.260113292773005,"endHours":8.394838212593903,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:32","end":"10:40","startHours":9.529563132414804,"endHours":10.664288052235701,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:41","startHours":9.378266476438682,"endHours":9.680859788390922,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:53","startHours":7.638354932713305,"endHours":7.880429582275097,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:06","startHours":11.496419660104362,"endHours":12.101606284008842,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:03","end":"06:39","startHours":6.049740044964047,"endHours":6.6549266688685265,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:30","end":"07:16","startHours":6.5036300128924065,"endHours":7.260113292773005,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:19","end":"13:55","startHours":13.3119795318178,"endHours":13.91716615572228,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:08","end":"16:32","startHours":16.137912651340198,"endHours":16.537912651340196,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:20","end":"16:43","startHours":16.337912651340197,"endHours":16.716154291280496,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:05","end":"17:50","startHours":16.087912651340197,"endHours":17.837912651340197,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:06","startHours":23.496419660104362,"endHours":24.10160628400884,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:16","end":"08:24","startHours":7.260113292773005,"endHours":8.394838212593903,"quality":"auspicious"},{"name":"Roga","start":"08:24","end":"09:32","startHours":8.394838212593903,"endHours":9.529563132414804,"quality":"inauspicious"},{"name":"Udveg","start":"09:32","end":"10:40","startHours":9.529563132414804,"endHours":10.664288052235701,"quality":"inauspicious"},{"name":"Chala","start":"10:40","end":"11:48","startHours":10.664288052235701,"endHours":11.799012972056602,"quality":"neutral"},{"name":"Labha","start":"11:48","end":"12:56","startHours":11.799012972056602,"endHours":12.933737891877499,"quality":"auspicious"},{"name":"Amṛta","start":"12:56","end":"14:04","startHours":12.933737891877499,"endHours":14.0684628116984,"quality":"auspicious"},{"name":"Kāla","start":"14:04","end":"15:12","startHours":14.0684628116984,"endHours":15.203187731519296,"quality":"inauspicious"},{"name":"Śubha","start":"15:12","end":"16:20","startHours":15.203187731519296,"endHours":16.337912651340197,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:20","end":"18:12","startHours":16.337912651340197,"endHours":18.2031877315193,"quality":"auspicious"},{"name":"Kāla","start":"18:12","end":"20:04","startHours":18.2031877315193,"endHours":20.0684628116984,"quality":"inauspicious"},{"name":"Śubha","start":"20:04","end":"21:56","startHours":20.0684628116984,"endHours":21.9337378918775,"quality":"auspicious"},{"name":"Roga","start":"21:56","end":"23:48","startHours":21.9337378918775,"endHours":23.7990129720566,"quality":"inauspicious"},{"name":"Udveg","start":"23:48","end":"01:40","startHours":23.7990129720566,"endHours":25.664288052235705,"quality":"inauspicious"},{"name":"Chala","start":"01:40","end":"03:32","startHours":25.664288052235705,"endHours":27.529563132414804,"quality":"neutral"},{"name":"Labha","start":"03:32","end":"05:24","startHours":27.529563132414804,"endHours":29.394838212593903,"quality":"auspicious"},{"name":"Amṛta","start":"05:24","end":"07:16","startHours":29.394838212593903,"endHours":31.260113292773006,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:16","end":"08:16","startHours":7.260113292773005,"endHours":8.260113292773006,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:16","end":"09:16","startHours":8.260113292773006,"endHours":9.260113292773006,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:16","end":"10:16","startHours":9.260113292773006,"endHours":10.260113292773006,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:16","end":"11:16","startHours":10.260113292773006,"endHours":11.260113292773006,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:16","end":"12:16","startHours":11.260113292773006,"endHours":12.260113292773006,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:16","end":"13:16","startHours":12.260113292773006,"endHours":13.260113292773006,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:16","end":"14:16","startHours":13.260113292773006,"endHours":14.260113292773006,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:16","end":"15:16","startHours":14.260113292773006,"endHours":15.260113292773006,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:16","end":"16:16","startHours":15.260113292773006,"endHours":16.260113292773006,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:16","end":"17:16","startHours":16.260113292773006,"endHours":17.260113292773006,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:16","end":"18:16","startHours":17.260113292773006,"endHours":18.260113292773006,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:16","end":"19:16","startHours":18.260113292773006,"endHours":19.260113292773006,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:16","end":"20:16","startHours":19.260113292773006,"endHours":20.260113292773006,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:16","end":"21:16","startHours":20.260113292773006,"endHours":21.260113292773006,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:16","end":"22:16","startHours":21.260113292773006,"endHours":22.260113292773006,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:16","end":"23:16","startHours":22.260113292773006,"endHours":23.260113292773006,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:16","end":"00:16","startHours":23.260113292773006,"endHours":24.260113292773006,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:16","end":"01:16","startHours":24.260113292773006,"endHours":25.260113292773006,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:16","end":"02:16","startHours":25.260113292773006,"endHours":26.260113292773006,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:16","end":"03:16","startHours":26.260113292773006,"endHours":27.260113292773006,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:16","end":"04:16","startHours":27.260113292773006,"endHours":28.260113292773006,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:16","end":"05:16","startHours":28.260113292773006,"endHours":29.260113292773006,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:16","end":"06:16","startHours":29.260113292773006,"endHours":30.260113292773006,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:16","end":"07:16","startHours":30.260113292773006,"endHours":31.260113292773006,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.40536117633942,"eotMinutes":-3.705178323396069,"ayanamsa":-47.8936}},"calendars":{"vikram_samvat":-3079,"saka_samvat":-3214,"bengali_samvat":-3729,"malayalam_era":-3960,"nanakshahi_year":-4605,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Śukla Caturdaśī · Vikram -3079 undefined · Śaka -3214 undefined"},"festivals":[{"id":"holika-dahana","name":"Holikā Dahana","name_sanskrit":"होलिका दहन","tradition":"Vaishnava","associated_deity":"Bhagavān Narasiṁha (Prahlāda-rakṣaka)","significance":"Burning of Holikā; Prahlāda saved by Hari. Eve of Holi.","vrata":true,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Phālguna"},"precedence":2,"sources":["Bhāgavata 7.5"]},{"id":"kumbha-sankranti","name":"Kumbha Saṅkrānti","name_sanskrit":"कुम्भ सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aquarius; Kumbha-māsa begins.","vrata":false,"detection":{"sun_rashi":"Kumbha"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":true,"location_specific":"boston"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 1, 3137 BCE · Boston, USA · Vidhyamitra","description":"January 1, 3137 BCE for Boston, USA: Śukla Caturdaśī, sūryodaya 07:16, sūryāsta 16:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/-3136-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/-3136-01-01","sa":"https://sa.vidhyamitra.com/city/boston/-3136-01-01","hi":"https://hi.vidhyamitra.com/city/boston/-3136-01-01","x-default":"https://vidhyamitra.com/city/boston/-3136-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T18:22:26.865Z","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":"2026-05-15T18:22:26.865Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T18:22:26.865Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}