{"id":"vidhyamitra:city-day:thane:1877-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1877-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1877-01-12","date_display":"January 12, 1877 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":1877,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406631.770833,"kali_year":4978,"ahargana":1818166.2708,"sun":{"sidereal_longitude":270.0377,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":241.5214,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.4837,"elapsed_within_tithi_degrees":7.4837},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.5214,"elapsed_within_degrees":1.5214},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.559},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":1877,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406631.770833,"ahargana":1818166.2708,"kali_year":4978,"ayanamsa_lahiri":22.1352,"grahas":{"sun":{"sidereal_longitude":269.86902599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":242.385626,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":-4.469},"mars":{"sidereal_longitude":217.84412599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":290.553226,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":240.82012599999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"venus":{"sidereal_longitude":243.40762600000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":314.05752600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":324.8013,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":144.8013,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1877,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406631.770833,"kali_year":4978,"ahargana":1818166.2708,"sun":{"sidereal_longitude":270.0377,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":241.5214,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.4837,"elapsed_within_tithi_degrees":7.4837},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.5214,"elapsed_within_degrees":1.5214},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.559},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.469,"elongation":28.516},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.469,"opposition_distance":151.484}},"eclipse_window_40days":[]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:14","sunsetLocal":"18:18","solarNoonLocal":"12:46","dayLengthHours":11.067732307170985,"dayLengthDisplay":"11 Hours 04 Mins 04 Secs","nightLengthDisplay":"12 Hours 55 Mins 56 Secs","moonriseLocal":"05:28","moonsetLocal":"16:25","rahuKala":{"name":"Rāhu Kāla","start":"11:23","end":"12:46","startHours":11.389084838876592,"endHours":12.772551377272965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:32","end":"16:55","startHours":15.539484454065711,"endHours":16.922950992462084,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:37","end":"10:00","startHours":8.622151762083845,"endHours":10.005618300480219,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:11","startHours":9.821156095360703,"endHours":10.190080505599736,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:00","startHours":7.699840736486264,"endHours":7.994980264677491,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:08","startHours":12.403626967033931,"endHours":13.141475787511999,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:30","startHours":5.762987582731342,"endHours":6.500836403209408,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:14","startHours":6.316374198089891,"endHours":7.238685223687473,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:21","startHours":14.61717342846813,"endHours":15.355022248946195,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.106417530858458,"endHours":18.506417530858457,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:46","startHours":18.306417530858457,"endHours":18.767573043657247,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.056417530858457,"endHours":19.806417530858457,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:08","startHours":24.403626967033933,"endHours":25.141475787511997,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:14","end":"08:37","startHours":7.238685223687473,"endHours":8.622151762083845,"quality":"neutral"},{"name":"Labha","start":"08:37","end":"10:00","startHours":8.622151762083845,"endHours":10.005618300480219,"quality":"auspicious"},{"name":"Amṛta","start":"10:00","end":"11:23","startHours":10.005618300480219,"endHours":11.389084838876592,"quality":"auspicious"},{"name":"Kāla","start":"11:23","end":"12:46","startHours":11.389084838876592,"endHours":12.772551377272965,"quality":"inauspicious"},{"name":"Śubha","start":"12:46","end":"14:09","startHours":12.772551377272965,"endHours":14.156017915669338,"quality":"auspicious"},{"name":"Roga","start":"14:09","end":"15:32","startHours":14.156017915669338,"endHours":15.539484454065711,"quality":"inauspicious"},{"name":"Udveg","start":"15:32","end":"16:55","startHours":15.539484454065711,"endHours":16.922950992462084,"quality":"inauspicious"},{"name":"Chala","start":"16:55","end":"18:18","startHours":16.922950992462084,"endHours":18.306417530858457,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:18","end":"19:55","startHours":18.306417530858457,"endHours":19.922950992462084,"quality":"inauspicious"},{"name":"Udveg","start":"19:55","end":"21:32","startHours":19.922950992462084,"endHours":21.53948445406571,"quality":"inauspicious"},{"name":"Chala","start":"21:32","end":"23:09","startHours":21.53948445406571,"endHours":23.156017915669338,"quality":"neutral"},{"name":"Labha","start":"23:09","end":"00:46","startHours":23.156017915669338,"endHours":24.772551377272965,"quality":"auspicious"},{"name":"Amṛta","start":"00:46","end":"02:23","startHours":24.772551377272965,"endHours":26.38908483887659,"quality":"auspicious"},{"name":"Kāla","start":"02:23","end":"04:00","startHours":26.38908483887659,"endHours":28.00561830048022,"quality":"inauspicious"},{"name":"Śubha","start":"04:00","end":"05:37","startHours":28.00561830048022,"endHours":29.622151762083845,"quality":"auspicious"},{"name":"Roga","start":"05:37","end":"07:14","startHours":29.622151762083845,"endHours":31.238685223687472,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.238685223687473,"endHours":8.238685223687472,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.238685223687472,"endHours":9.238685223687472,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.238685223687472,"endHours":10.238685223687472,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.238685223687472,"endHours":11.238685223687472,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.238685223687472,"endHours":12.238685223687472,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.238685223687472,"endHours":13.238685223687472,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.238685223687472,"endHours":14.238685223687472,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.238685223687472,"endHours":15.238685223687472,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.238685223687472,"endHours":16.238685223687472,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.238685223687472,"endHours":17.238685223687472,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.238685223687472,"endHours":18.238685223687472,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.238685223687472,"endHours":19.238685223687472,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.238685223687472,"endHours":20.238685223687472,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.238685223687472,"endHours":21.238685223687472,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.238685223687472,"endHours":22.238685223687472,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.238685223687472,"endHours":23.238685223687472,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.238685223687472,"endHours":24.238685223687472,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.238685223687472,"endHours":25.238685223687472,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.238685223687472,"endHours":26.238685223687472,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.238685223687472,"endHours":27.238685223687472,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.238685223687472,"endHours":28.238685223687472,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.238685223687472,"endHours":29.238685223687472,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.238685223687472,"endHours":30.238685223687472,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.238685223687472,"endHours":31.238685223687472,"planetary_lord":"Mars"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","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":-21.639171353238897,"eotMinutes":-8.265482636377905,"ayanamsa":22.1352}},"calendars":{"vikram_samvat":1934,"vikram_samvatsara":"Vikṛti","saka_samvat":1799,"saka_samvatsara":"Īśvara","bengali_samvat":1284,"malayalam_era":1053,"nanakshahi_year":408,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Trayodaśī · Vikram 1934 Vikṛti · Śaka 1799 Īśvara"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi_ingress":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_ingress":"Makara"},"precedence":2},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 12, 1877 CE · Thane, Maharashtra · Vidhyamitra","description":"January 12, 1877 CE for Thane, Maharashtra: Kṛṣṇa Trayodaśī, sūryodaya 07:14, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1877-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1877-01-12","sa":"https://sa.vidhyamitra.com/city/thane/1877-01-12","hi":"https://hi.vidhyamitra.com/city/thane/1877-01-12","x-default":"https://vidhyamitra.com/city/thane/1877-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T02:11:17.906Z","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":"2026-06-02T02:11:17.906Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T02:11:17.906Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}