{"id":"vidhyamitra:city-day:thane:1817-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1817-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-01-11","date_display":"January 11, 1817 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":1817,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384715.770833,"kali_year":4918,"ahargana":1796250.2708,"sun":{"sidereal_longitude":269.5502,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":186.6589,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.1086,"elapsed_within_tithi_degrees":1.1086},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.6589,"elapsed_within_degrees":13.3255},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.2091},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1817,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384715.770833,"ahargana":1796250.2708,"kali_year":4918,"ayanamsa_lahiri":21.297,"grahas":{"sun":{"sidereal_longitude":269.245778,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":186.44737800000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false,"latitude":2.852},"mars":{"sidereal_longitude":241.61727799999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":284.3673779999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":224.008378,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":311.06887800000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":302.85727799999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":46.0165,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":226.0165,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1817,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384715.770833,"kali_year":4918,"ahargana":1796250.2708,"sun":{"sidereal_longitude":269.5502,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":186.6589,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":277.1086,"elapsed_within_tithi_degrees":1.1086},"nakshatra":{"number":14,"name":"Citrā","pada":4,"moon_longitude":186.6589,"elapsed_within_degrees":13.3255},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":96.2091},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.852,"elongation":82.891},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.852,"opposition_distance":97.109}},"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":11.055607449187418,"dayLengthDisplay":"11 Hours 03 Mins 20 Secs","nightLengthDisplay":"12 Hours 56 Mins 40 Secs","moonriseLocal":"01:27","moonsetLocal":"13:02","rahuKala":{"name":"Rāhu Kāla","start":"10:00","end":"11:23","startHours":10.002333174952591,"endHours":11.384284106101017,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:09","end":"15:32","startHours":14.148185968397872,"endHours":15.5301368995463,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:14","end":"08:37","startHours":7.238431312655736,"endHours":8.620382243804164,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:49","end":"10:11","startHours":9.818073050799466,"endHours":10.186593299105715,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:00","startHours":7.699081623038546,"endHours":7.993897821683544,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:24","end":"13:08","startHours":12.397714788943198,"endHours":13.134755285555691,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:30","startHours":5.764350319430747,"endHours":6.501390816043242,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:19","end":"07:14","startHours":6.317130691890118,"endHours":7.238431312655736,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:37","end":"15:21","startHours":14.608836278780682,"endHours":15.345876775393176,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.094038761843155,"endHours":18.494038761843154,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:45","startHours":18.294038761843154,"endHours":18.754689072225965,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.044038761843154,"endHours":19.794038761843154,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:24","end":"01:08","startHours":24.397714788943198,"endHours":25.13475528555569,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:14","end":"08:37","startHours":7.238431312655736,"endHours":8.620382243804164,"quality":"inauspicious"},{"name":"Śubha","start":"08:37","end":"10:00","startHours":8.620382243804164,"endHours":10.002333174952591,"quality":"auspicious"},{"name":"Roga","start":"10:00","end":"11:23","startHours":10.002333174952591,"endHours":11.384284106101017,"quality":"inauspicious"},{"name":"Udveg","start":"11:23","end":"12:46","startHours":11.384284106101017,"endHours":12.766235037249444,"quality":"inauspicious"},{"name":"Chala","start":"12:46","end":"14:09","startHours":12.766235037249444,"endHours":14.148185968397872,"quality":"neutral"},{"name":"Labha","start":"14:09","end":"15:32","startHours":14.148185968397872,"endHours":15.5301368995463,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"16:55","startHours":15.5301368995463,"endHours":16.912087830694727,"quality":"auspicious"},{"name":"Kāla","start":"16:55","end":"18:18","startHours":16.912087830694727,"endHours":18.294038761843154,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:18","end":"19:55","startHours":18.294038761843154,"endHours":19.912087830694727,"quality":"auspicious"},{"name":"Amṛta","start":"19:55","end":"21:32","startHours":19.912087830694727,"endHours":21.5301368995463,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"23:09","startHours":21.5301368995463,"endHours":23.148185968397872,"quality":"inauspicious"},{"name":"Śubha","start":"23:09","end":"00:46","startHours":23.148185968397872,"endHours":24.766235037249444,"quality":"auspicious"},{"name":"Roga","start":"00:46","end":"02:23","startHours":24.766235037249444,"endHours":26.38428410610102,"quality":"inauspicious"},{"name":"Udveg","start":"02:23","end":"04:00","startHours":26.38428410610102,"endHours":28.00233317495259,"quality":"inauspicious"},{"name":"Chala","start":"04:00","end":"05:37","startHours":28.00233317495259,"endHours":29.620382243804166,"quality":"neutral"},{"name":"Labha","start":"05:37","end":"07:14","startHours":29.620382243804166,"endHours":31.238431312655734,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.238431312655736,"endHours":8.238431312655736,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.238431312655736,"endHours":9.238431312655736,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.238431312655736,"endHours":10.238431312655736,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.238431312655736,"endHours":11.238431312655736,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.238431312655736,"endHours":12.238431312655736,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.238431312655736,"endHours":13.238431312655736,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.238431312655736,"endHours":14.238431312655736,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.238431312655736,"endHours":15.238431312655736,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.238431312655736,"endHours":16.238431312655734,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.238431312655734,"endHours":17.238431312655734,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.238431312655734,"endHours":18.238431312655734,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.238431312655734,"endHours":19.238431312655734,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.238431312655734,"endHours":20.238431312655734,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.238431312655734,"endHours":21.238431312655734,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.238431312655734,"endHours":22.238431312655734,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.238431312655734,"endHours":23.238431312655734,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.238431312655734,"endHours":24.238431312655734,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.238431312655734,"endHours":25.238431312655734,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.238431312655734,"endHours":26.238431312655734,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.238431312655734,"endHours":27.238431312655734,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.238431312655734,"endHours":28.238431312655734,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.238431312655734,"endHours":29.238431312655734,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.238431312655734,"endHours":30.238431312655734,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.238431312655734,"endHours":31.238431312655734,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"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":-21.866228927075355,"eotMinutes":-7.886502234966622,"ayanamsa":21.297}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"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 Navamī · Vikram 1874 Vikṛti · Śaka 1739 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}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 11, 1817 CE · Thane, Maharashtra · Vidhyamitra","description":"January 11, 1817 CE for Thane, Maharashtra: Kṛṣṇa Navamī, sūryodaya 07:14, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1817-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1817-01-11","sa":"https://sa.vidhyamitra.com/city/thane/1817-01-11","hi":"https://hi.vidhyamitra.com/city/thane/1817-01-11","x-default":"https://vidhyamitra.com/city/thane/1817-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T08:55:09.744Z","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":"2026-06-05T08:55:09.744Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T08:55:09.744Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}