{"id":"vidhyamitra:city-day:thane:1815-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1815-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-12-28","date_display":"December 28, 1815 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":1815,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384335.770833,"kali_year":4917,"ahargana":1795870.2708,"sun":{"sidereal_longitude":254.3987,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":224.3233,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.9246,"elapsed_within_tithi_degrees":5.9246},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.3233,"elapsed_within_degrees":10.99},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.722},"karana":{"half_tithi_index":54,"name":"Gara"},"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":1815,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384335.770833,"ahargana":1795870.2708,"kali_year":4917,"ayanamsa_lahiri":21.2825,"grahas":{"sun":{"sidereal_longitude":254.218297,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":223.87339699999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false,"latitude":1.6717},"mars":{"sidereal_longitude":7.433897000000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":248.183897,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":196.06059700000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":209.93409699999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":290.82009700000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":66.1507,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":246.1507,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1815,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384335.770833,"kali_year":4917,"ahargana":1795870.2708,"sun":{"sidereal_longitude":254.3987,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":224.3233,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":329.9246,"elapsed_within_tithi_degrees":5.9246},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":224.3233,"elapsed_within_degrees":10.99},"yoga":{"number":9,"name":"Śūla","sum_longitude":118.722},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.672,"elongation":30.075},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.672,"opposition_distance":149.925}},"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":"07:11","sunsetLocal":"18:09","solarNoonLocal":"12:40","dayLengthHours":10.976906365644638,"dayLengthDisplay":"10 Hours 58 Mins 37 Secs","nightLengthDisplay":"13 Hours 01 Mins 23 Secs","moonriseLocal":"05:07","moonsetLocal":"16:10","rahuKala":{"name":"Rāhu Kāla","start":"14:02","end":"15:25","startHours":14.038358370110373,"endHours":15.410471665815951,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:11","end":"08:33","startHours":7.177791891582474,"endHours":8.549905187288054,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:55","end":"11:18","startHours":9.922018482993632,"endHours":11.294131778699214,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:44","end":"10:06","startHours":9.739070043566223,"endHours":10.104966922421044,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:56","startHours":7.6351629901510005,"endHours":7.927880493234857,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"13:02","startHours":12.30034819554997,"endHours":13.032141953259613,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:27","startHours":5.714204376163188,"endHours":6.445998133872831,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:11","startHours":6.263049694445421,"endHours":7.177791891582474,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:14","startHours":14.495729468678899,"endHours":15.227523226388541,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.95469825722711,"endHours":18.35469825722711,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:37","startHours":18.15469825722711,"endHours":18.612069355795636,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.90469825722711,"endHours":19.65469825722711,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"01:02","startHours":24.30034819554997,"endHours":25.032141953259615,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:11","end":"08:33","startHours":7.177791891582474,"endHours":8.549905187288054,"quality":"auspicious"},{"name":"Roga","start":"08:33","end":"09:55","startHours":8.549905187288054,"endHours":9.922018482993632,"quality":"inauspicious"},{"name":"Udveg","start":"09:55","end":"11:18","startHours":9.922018482993632,"endHours":11.294131778699214,"quality":"inauspicious"},{"name":"Chala","start":"11:18","end":"12:40","startHours":11.294131778699214,"endHours":12.666245074404792,"quality":"neutral"},{"name":"Labha","start":"12:40","end":"14:02","startHours":12.666245074404792,"endHours":14.038358370110373,"quality":"auspicious"},{"name":"Amṛta","start":"14:02","end":"15:25","startHours":14.038358370110373,"endHours":15.410471665815951,"quality":"auspicious"},{"name":"Kāla","start":"15:25","end":"16:47","startHours":15.410471665815951,"endHours":16.782584961521533,"quality":"inauspicious"},{"name":"Śubha","start":"16:47","end":"18:09","startHours":16.782584961521533,"endHours":18.15469825722711,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:47","startHours":18.15469825722711,"endHours":19.78258496152153,"quality":"auspicious"},{"name":"Kāla","start":"19:47","end":"21:25","startHours":19.78258496152153,"endHours":21.41047166581595,"quality":"inauspicious"},{"name":"Śubha","start":"21:25","end":"23:02","startHours":21.41047166581595,"endHours":23.038358370110373,"quality":"auspicious"},{"name":"Roga","start":"23:02","end":"00:40","startHours":23.038358370110373,"endHours":24.66624507440479,"quality":"inauspicious"},{"name":"Udveg","start":"00:40","end":"02:18","startHours":24.66624507440479,"endHours":26.29413177869921,"quality":"inauspicious"},{"name":"Chala","start":"02:18","end":"03:55","startHours":26.29413177869921,"endHours":27.922018482993632,"quality":"neutral"},{"name":"Labha","start":"03:55","end":"05:33","startHours":27.922018482993632,"endHours":29.549905187288054,"quality":"auspicious"},{"name":"Amṛta","start":"05:33","end":"07:11","startHours":29.549905187288054,"endHours":31.177791891582473,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.177791891582474,"endHours":8.177791891582473,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.177791891582473,"endHours":9.177791891582473,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.177791891582473,"endHours":10.177791891582473,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.177791891582473,"endHours":11.177791891582473,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.177791891582473,"endHours":12.177791891582473,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.177791891582473,"endHours":13.177791891582473,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.177791891582473,"endHours":14.177791891582473,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.177791891582473,"endHours":15.177791891582473,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.177791891582473,"endHours":16.177791891582473,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.177791891582473,"endHours":17.177791891582473,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.177791891582473,"endHours":18.177791891582473,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.177791891582473,"endHours":19.177791891582473,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.177791891582473,"endHours":20.177791891582473,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.177791891582473,"endHours":21.177791891582473,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.177791891582473,"endHours":22.177791891582473,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.177791891582473,"endHours":23.177791891582473,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.177791891582473,"endHours":24.177791891582473,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.177791891582473,"endHours":25.177791891582473,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.177791891582473,"endHours":26.177791891582473,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.177791891582473,"endHours":27.177791891582473,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.177791891582473,"endHours":28.177791891582473,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.177791891582473,"endHours":29.177791891582473,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.177791891582473,"endHours":30.177791891582473,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.177791891582473,"endHours":31.177791891582473,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Saumya","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":-23.322169586877358,"eotMinutes":-1.8871044642874448,"ayanamsa":21.2825}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"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 Trayodaśī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"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":"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":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 December 28, 1815 CE · Thane, Maharashtra · Vidhyamitra","description":"December 28, 1815 CE for Thane, Maharashtra: Kṛṣṇa Trayodaśī, sūryodaya 07:11, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1815-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1815-12-28","sa":"https://sa.vidhyamitra.com/city/thane/1815-12-28","hi":"https://hi.vidhyamitra.com/city/thane/1815-12-28","x-default":"https://vidhyamitra.com/city/thane/1815-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T21:34:41.818Z","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":"2026-06-04T21:34:41.818Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T21:34:41.818Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}