{"id":"vidhyamitra:city-day:thane:1815-04-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1815-04-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-04-11","date_display":"April 11, 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":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384074.770833,"kali_year":4916,"ahargana":1795609.2708,"sun":{"sidereal_longitude":359.5771,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.6068,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0297,"elapsed_within_tithi_degrees":3.0297},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.6068,"elapsed_within_degrees":1.2735},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1839},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":4,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384074.770833,"ahargana":1795609.2708,"kali_year":4916,"ayanamsa_lahiri":21.2725,"grahas":{"sun":{"sidereal_longitude":359.011869,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":14.445469000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":-4.0899},"mars":{"sidereal_longitude":289.054169,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":334.10776899999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":164.01036899999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"venus":{"sidereal_longitude":26.969268999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":291.48246900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":79.9798,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.9798,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":4,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384074.770833,"kali_year":4916,"ahargana":1795609.2708,"sun":{"sidereal_longitude":359.5771,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":14.6068,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.0297,"elapsed_within_tithi_degrees":3.0297},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.6068,"elapsed_within_degrees":1.2735},"yoga":{"number":2,"name":"Prīti","sum_longitude":14.1839},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.09,"elongation":15.03},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.09,"opposition_distance":164.97}},"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":"06:25","sunsetLocal":"18:54","solarNoonLocal":"12:39","dayLengthHours":12.4898280420757,"dayLengthDisplay":"12 Hours 29 Mins 23 Secs","nightLengthDisplay":"11 Hours 30 Mins 37 Secs","moonriseLocal":"07:20","moonsetLocal":"20:03","rahuKala":{"name":"Rāhu Kāla","start":"15:47","end":"17:20","startHours":15.779295126193539,"endHours":17.340523631453003,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:32","end":"11:06","startHours":9.534381105155688,"endHours":11.095609610415153,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:39","end":"14:13","startHours":12.656838115674613,"endHours":14.218066620934078,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:45","startHours":9.326217304454428,"endHours":9.74254490585695,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:16","startHours":6.932333596389919,"endHours":7.265395677511937,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:14","end":"13:04","startHours":12.24051051427209,"endHours":13.073165717077137,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:45","end":"05:35","startHours":4.74661368902667,"endHours":5.579268891831718,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:25","startHours":5.371105091130456,"endHours":6.411924094636764,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:34","startHours":14.738476122687231,"endHours":15.571131325492278,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:42","end":"19:06","startHours":18.701752136712464,"endHours":19.101752136712463,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:54","end":"19:25","startHours":18.901752136712464,"endHours":19.422161638465617,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:39","end":"20:24","startHours":18.651752136712464,"endHours":20.401752136712464,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:14","end":"01:04","startHours":24.24051051427209,"endHours":25.07316571707714,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:25","end":"07:58","startHours":6.411924094636764,"endHours":7.973152599896227,"quality":"inauspicious"},{"name":"Udveg","start":"07:58","end":"09:32","startHours":7.973152599896227,"endHours":9.534381105155688,"quality":"inauspicious"},{"name":"Chala","start":"09:32","end":"11:06","startHours":9.534381105155688,"endHours":11.095609610415153,"quality":"neutral"},{"name":"Labha","start":"11:06","end":"12:39","startHours":11.095609610415153,"endHours":12.656838115674613,"quality":"auspicious"},{"name":"Amṛta","start":"12:39","end":"14:13","startHours":12.656838115674613,"endHours":14.218066620934078,"quality":"auspicious"},{"name":"Kāla","start":"14:13","end":"15:47","startHours":14.218066620934078,"endHours":15.779295126193539,"quality":"inauspicious"},{"name":"Śubha","start":"15:47","end":"17:20","startHours":15.779295126193539,"endHours":17.340523631453003,"quality":"auspicious"},{"name":"Roga","start":"17:20","end":"18:54","startHours":17.340523631453003,"endHours":18.901752136712464,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:54","end":"20:20","startHours":18.901752136712464,"endHours":20.340523631453003,"quality":"inauspicious"},{"name":"Śubha","start":"20:20","end":"21:47","startHours":20.340523631453003,"endHours":21.77929512619354,"quality":"auspicious"},{"name":"Roga","start":"21:47","end":"23:13","startHours":21.77929512619354,"endHours":23.218066620934074,"quality":"inauspicious"},{"name":"Udveg","start":"23:13","end":"00:39","startHours":23.218066620934074,"endHours":24.656838115674613,"quality":"inauspicious"},{"name":"Chala","start":"00:39","end":"02:06","startHours":24.656838115674613,"endHours":26.095609610415153,"quality":"neutral"},{"name":"Labha","start":"02:06","end":"03:32","startHours":26.095609610415153,"endHours":27.53438110515569,"quality":"auspicious"},{"name":"Amṛta","start":"03:32","end":"04:58","startHours":27.53438110515569,"endHours":28.973152599896224,"quality":"auspicious"},{"name":"Kāla","start":"04:58","end":"06:25","startHours":28.973152599896224,"endHours":30.411924094636763,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.411924094636764,"endHours":7.411924094636764,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.411924094636764,"endHours":8.411924094636763,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.411924094636763,"endHours":9.411924094636763,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.411924094636763,"endHours":10.411924094636763,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.411924094636763,"endHours":11.411924094636763,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.411924094636763,"endHours":12.411924094636763,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.411924094636763,"endHours":13.411924094636763,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.411924094636763,"endHours":14.411924094636763,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.411924094636763,"endHours":15.411924094636763,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.411924094636763,"endHours":16.411924094636763,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.411924094636763,"endHours":17.411924094636763,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.411924094636763,"endHours":18.411924094636763,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.411924094636763,"endHours":19.411924094636763,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.411924094636763,"endHours":20.411924094636763,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.411924094636763,"endHours":21.411924094636763,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.411924094636763,"endHours":22.411924094636763,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.411924094636763,"endHours":23.411924094636763,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.411924094636763,"endHours":24.411924094636763,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.411924094636763,"endHours":25.411924094636763,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.411924094636763,"endHours":26.411924094636763,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.411924094636763,"endHours":27.411924094636763,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.411924094636763,"endHours":28.411924094636763,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.411924094636763,"endHours":29.411924094636763,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.411924094636763,"endHours":30.411924094636763,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":7.9255249328450725,"eotMinutes":-1.322686940476858,"ayanamsa":21.2725}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvitīyā · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi_ingress":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi_ingress":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 April 11, 1815 CE · Thane, Maharashtra · Vidhyamitra","description":"April 11, 1815 CE for Thane, Maharashtra: Śukla Dvitīyā, sūryodaya 06:25, sūryāsta 18:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1815-04-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1815-04-11","sa":"https://sa.vidhyamitra.com/city/thane/1815-04-11","hi":"https://hi.vidhyamitra.com/city/thane/1815-04-11","x-default":"https://vidhyamitra.com/city/thane/1815-04-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-07T12:33:38.058Z","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":"2026-06-07T12:33:38.058Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-07T12:33:38.058Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}