{"id":"vidhyamitra:city-day:boston:2016-01-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/boston/2016-01-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2016-01-04","date_display":"January 4, 2016 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":2016,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457391.770833,"kali_year":5117,"ahargana":1868926.2708,"sun":{"sidereal_longitude":258.7668,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":188.4118,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.6449,"elapsed_within_tithi_degrees":1.6449},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.4118,"elapsed_within_degrees":1.7451},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.1786},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2016,"month":1,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457391.770833,"ahargana":1868926.2708,"kali_year":5117,"ayanamsa_lahiri":24.0766,"grahas":{"sun":{"sidereal_longitude":259.01732100000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":188.54352100000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false,"latitude":2.457},"mars":{"sidereal_longitude":185.93122100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":276.62812099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":148.404721,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":221.445021,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":227.17072099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":155.2923,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":335.2923,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"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":2016,"month":1,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457391.770833,"kali_year":5117,"ahargana":1868926.2708,"sun":{"sidereal_longitude":258.7668,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":188.4118,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.6449,"elapsed_within_tithi_degrees":1.6449},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":188.4118,"elapsed_within_degrees":1.7451},"yoga":{"number":7,"name":"Sukarma","sum_longitude":87.1786},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.457,"elongation":70.355},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.457,"opposition_distance":109.645}},"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":"07:14","sunsetLocal":"16:24","solarNoonLocal":"11:49","dayLengthHours":9.171727207963343,"dayLengthDisplay":"9 Hours 10 Mins 18 Secs","nightLengthDisplay":"14 Hours 49 Mins 42 Secs","moonriseLocal":"01:50","moonsetLocal":"12:24","rahuKala":{"name":"Rāhu Kāla","start":"08:23","end":"09:32","startHours":8.38159407810285,"endHours":9.528059979098266,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"11:49","startHours":10.674525880093686,"endHours":11.820991781089102,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:58","end":"14:07","startHours":12.967457682084522,"endHours":14.113923583079938,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:23","end":"09:41","startHours":9.375197858965546,"endHours":9.68092209923099,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:52","startHours":7.617283477439237,"endHours":7.861862869651593,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:08","startHours":11.515267540823658,"endHours":12.126716021354547,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:37","startHours":6.012231216045652,"endHours":6.623679696576541,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:28","end":"07:14","startHours":6.470817576443819,"endHours":7.235128177107431,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:21","end":"13:58","startHours":13.349612982416327,"endHours":13.961061462947216,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:12","end":"16:36","startHours":16.206855385070774,"endHours":16.606855385070773,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:24","end":"16:47","startHours":16.406855385070774,"endHours":16.78901068540258,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:09","end":"17:54","startHours":16.156855385070774,"endHours":17.906855385070774,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:08","startHours":23.515267540823658,"endHours":24.126716021354547,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:14","end":"08:23","startHours":7.235128177107431,"endHours":8.38159407810285,"quality":"auspicious"},{"name":"Kāla","start":"08:23","end":"09:32","startHours":8.38159407810285,"endHours":9.528059979098266,"quality":"inauspicious"},{"name":"Śubha","start":"09:32","end":"10:40","startHours":9.528059979098266,"endHours":10.674525880093686,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"11:49","startHours":10.674525880093686,"endHours":11.820991781089102,"quality":"inauspicious"},{"name":"Udveg","start":"11:49","end":"12:58","startHours":11.820991781089102,"endHours":12.967457682084522,"quality":"inauspicious"},{"name":"Chala","start":"12:58","end":"14:07","startHours":12.967457682084522,"endHours":14.113923583079938,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:16","startHours":14.113923583079938,"endHours":15.260389484075358,"quality":"auspicious"},{"name":"Amṛta","start":"15:16","end":"16:24","startHours":15.260389484075358,"endHours":16.406855385070774,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"16:24","end":"18:16","startHours":16.406855385070774,"endHours":18.260389484075354,"quality":"neutral"},{"name":"Labha","start":"18:16","end":"20:07","startHours":18.260389484075354,"endHours":20.113923583079938,"quality":"auspicious"},{"name":"Amṛta","start":"20:07","end":"21:58","startHours":20.113923583079938,"endHours":21.96745768208452,"quality":"auspicious"},{"name":"Kāla","start":"21:58","end":"23:49","startHours":21.96745768208452,"endHours":23.820991781089102,"quality":"inauspicious"},{"name":"Śubha","start":"23:49","end":"01:40","startHours":23.820991781089102,"endHours":25.674525880093682,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:32","startHours":25.674525880093682,"endHours":27.528059979098266,"quality":"inauspicious"},{"name":"Udveg","start":"03:32","end":"05:23","startHours":27.528059979098266,"endHours":29.38159407810285,"quality":"inauspicious"},{"name":"Chala","start":"05:23","end":"07:14","startHours":29.38159407810285,"endHours":31.23512817710743,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.235128177107431,"endHours":8.23512817710743,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.23512817710743,"endHours":9.23512817710743,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.23512817710743,"endHours":10.23512817710743,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.23512817710743,"endHours":11.23512817710743,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.23512817710743,"endHours":12.23512817710743,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.23512817710743,"endHours":13.23512817710743,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.23512817710743,"endHours":14.23512817710743,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.23512817710743,"endHours":15.23512817710743,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.23512817710743,"endHours":16.23512817710743,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.23512817710743,"endHours":17.23512817710743,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.23512817710743,"endHours":18.23512817710743,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.23512817710743,"endHours":19.23512817710743,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.23512817710743,"endHours":20.23512817710743,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.23512817710743,"endHours":21.23512817710743,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.23512817710743,"endHours":22.23512817710743,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.23512817710743,"endHours":23.23512817710743,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.23512817710743,"endHours":24.23512817710743,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.23512817710743,"endHours":25.23512817710743,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.23512817710743,"endHours":26.23512817710743,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.23512817710743,"endHours":27.23512817710743,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.23512817710743,"endHours":28.23512817710743,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.23512817710743,"endHours":29.23512817710743,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.23512817710743,"endHours":30.23512817710743,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.23512817710743,"endHours":31.23512817710743,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.792283057437885,"eotMinutes":-5.02390686534617,"ayanamsa":24.0766}},"calendars":{"vikram_samvat":2073,"vikram_samvatsara":"Saumya","saka_samvat":1938,"saka_samvatsara":"Durmukhi","bengali_samvat":1423,"malayalam_era":1192,"nanakshahi_year":547,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Daśamī · Vikram 2073 Saumya · Śaka 1938 Durmukhi"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"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 4, 2016 CE · Boston, USA · Vidhyamitra","description":"January 4, 2016 CE for Boston, USA: Kṛṣṇa Daśamī, sūryodaya 07:14, sūryāsta 16:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/boston/2016-01-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/boston/2016-01-04","sa":"https://sa.vidhyamitra.com/city/boston/2016-01-04","hi":"https://hi.vidhyamitra.com/city/boston/2016-01-04","x-default":"https://vidhyamitra.com/city/boston/2016-01-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T01:02:22.496Z","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":"2026-06-02T01:02:22.496Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T01:02:22.496Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}