{"id":"vidhyamitra:city-day:thane:1815-10-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1815-10-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1815-10-16","date_display":"October 16, 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":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384262.770833,"kali_year":4917,"ahargana":1795797.2708,"sun":{"sidereal_longitude":180.2503,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":333.1635,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.9132,"elapsed_within_tithi_degrees":8.9132},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":333.1635,"elapsed_within_degrees":13.1635},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.4138},"karana":{"half_tithi_index":25,"name":"Taitila"},"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":1815,"month":10,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384262.770833,"ahargana":1795797.2708,"kali_year":4917,"ayanamsa_lahiri":21.2797,"grahas":{"sun":{"sidereal_longitude":180.534586,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":334.569486,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":-4.4678},"mars":{"sidereal_longitude":5.305185999999992,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":206.94918600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":181.680386,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":178.92668600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":286.28348600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":70.0186,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":250.0186,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":1815,"month":10,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384262.770833,"kali_year":4917,"ahargana":1795797.2708,"sun":{"sidereal_longitude":180.2503,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":333.1635,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":152.9132,"elapsed_within_tithi_degrees":8.9132},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":333.1635,"elapsed_within_degrees":13.1635},"yoga":{"number":12,"name":"Dhruva","sum_longitude":153.4138},"karana":{"half_tithi_index":25,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.468,"elongation":152.913},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.468,"opposition_distance":27.087}},"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":"06:31","sunsetLocal":"18:15","solarNoonLocal":"12:23","dayLengthHours":11.720896797328699,"dayLengthDisplay":"11 Hours 43 Mins 15 Secs","nightLengthDisplay":"12 Hours 16 Mins 45 Secs","moonriseLocal":"16:39","moonsetLocal":"04:39","rahuKala":{"name":"Rāhu Kāla","start":"07:59","end":"09:27","startHours":7.988661541482054,"endHours":9.453773641148143,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:55","end":"12:23","startHours":10.918885740814229,"endHours":12.383997840480315,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:19","startHours":13.849109940146404,"endHours":15.314222039812492,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:39","startHours":9.258425361192664,"endHours":9.649121921103621,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:01","end":"07:19","startHours":7.011920141704663,"endHours":7.3244773896334285,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:46","startHours":11.993301280569359,"endHours":12.774694400391272,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:45","startHours":4.96076320217214,"endHours":5.742156321994054,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:33","end":"06:31","startHours":5.546808042038576,"endHours":6.523549441815967,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:07","startHours":14.3374806400351,"endHours":15.118873759857014,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.044446239144666,"endHours":18.444446239144664,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:44","startHours":18.244446239144665,"endHours":18.73281693903336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.994446239144665,"endHours":19.744446239144665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:46","startHours":23.99330128056936,"endHours":24.774694400391272,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:31","end":"07:59","startHours":6.523549441815967,"endHours":7.988661541482054,"quality":"auspicious"},{"name":"Kāla","start":"07:59","end":"09:27","startHours":7.988661541482054,"endHours":9.453773641148143,"quality":"inauspicious"},{"name":"Śubha","start":"09:27","end":"10:55","startHours":9.453773641148143,"endHours":10.918885740814229,"quality":"auspicious"},{"name":"Roga","start":"10:55","end":"12:23","startHours":10.918885740814229,"endHours":12.383997840480315,"quality":"inauspicious"},{"name":"Udveg","start":"12:23","end":"13:51","startHours":12.383997840480315,"endHours":13.849109940146404,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:19","startHours":13.849109940146404,"endHours":15.314222039812492,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"16:47","startHours":15.314222039812492,"endHours":16.77933413947858,"quality":"auspicious"},{"name":"Amṛta","start":"16:47","end":"18:15","startHours":16.77933413947858,"endHours":18.244446239144665,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:15","end":"19:47","startHours":18.244446239144665,"endHours":19.77933413947858,"quality":"neutral"},{"name":"Labha","start":"19:47","end":"21:19","startHours":19.77933413947858,"endHours":21.314222039812492,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:51","startHours":21.314222039812492,"endHours":22.849109940146402,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:23","startHours":22.849109940146402,"endHours":24.383997840480315,"quality":"inauspicious"},{"name":"Śubha","start":"00:23","end":"01:55","startHours":24.383997840480315,"endHours":25.91888574081423,"quality":"auspicious"},{"name":"Roga","start":"01:55","end":"03:27","startHours":25.91888574081423,"endHours":27.45377364114814,"quality":"inauspicious"},{"name":"Udveg","start":"03:27","end":"04:59","startHours":27.45377364114814,"endHours":28.988661541482053,"quality":"inauspicious"},{"name":"Chala","start":"04:59","end":"06:31","startHours":28.988661541482053,"endHours":30.523549441815966,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:31","end":"07:31","startHours":6.523549441815967,"endHours":7.523549441815967,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:31","end":"08:31","startHours":7.523549441815967,"endHours":8.523549441815966,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:31","end":"09:31","startHours":8.523549441815966,"endHours":9.523549441815966,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:31","end":"10:31","startHours":9.523549441815966,"endHours":10.523549441815966,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:31","end":"11:31","startHours":10.523549441815966,"endHours":11.523549441815966,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:31","end":"12:31","startHours":11.523549441815966,"endHours":12.523549441815966,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:31","end":"13:31","startHours":12.523549441815966,"endHours":13.523549441815966,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:31","end":"14:31","startHours":13.523549441815966,"endHours":14.523549441815966,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:31","end":"15:31","startHours":14.523549441815966,"endHours":15.523549441815966,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:31","end":"16:31","startHours":15.523549441815966,"endHours":16.523549441815966,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:31","end":"17:31","startHours":16.523549441815966,"endHours":17.523549441815966,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:31","end":"18:31","startHours":17.523549441815966,"endHours":18.523549441815966,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:31","end":"19:31","startHours":18.523549441815966,"endHours":19.523549441815966,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:31","end":"20:31","startHours":19.523549441815966,"endHours":20.523549441815966,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:31","end":"21:31","startHours":20.523549441815966,"endHours":21.523549441815966,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:31","end":"22:31","startHours":21.523549441815966,"endHours":22.523549441815966,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:31","end":"23:31","startHours":22.523549441815966,"endHours":23.523549441815966,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:31","end":"00:31","startHours":23.523549441815966,"endHours":24.523549441815966,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:31","end":"01:31","startHours":24.523549441815966,"endHours":25.523549441815966,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:31","end":"02:31","startHours":25.523549441815966,"endHours":26.523549441815966,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:31","end":"03:31","startHours":26.523549441815966,"endHours":27.523549441815966,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:31","end":"04:31","startHours":27.523549441815966,"endHours":28.523549441815966,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:31","end":"05:31","startHours":28.523549441815966,"endHours":29.523549441815966,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:31","end":"06:31","startHours":29.523549441815966,"endHours":30.523549441815966,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.49928773583302,"eotMinutes":15.04772957118102,"ayanamsa":21.2797}},"calendars":{"vikram_samvat":1872,"vikram_samvatsara":"Sarvadhāri","saka_samvat":1737,"saka_samvatsara":"Yuva","bengali_samvat":1222,"malayalam_era":991,"nanakshahi_year":346,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Trayodaśī · Vikram 1872 Sarvadhāri · Śaka 1737 Yuva"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi_ingress":"Tulā"},"precedence":5},{"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":"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":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 16, 1815 CE · Thane, Maharashtra · Vidhyamitra","description":"October 16, 1815 CE for Thane, Maharashtra: Śukla Trayodaśī, sūryodaya 06:31, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1815-10-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1815-10-16","sa":"https://sa.vidhyamitra.com/city/thane/1815-10-16","hi":"https://hi.vidhyamitra.com/city/thane/1815-10-16","x-default":"https://vidhyamitra.com/city/thane/1815-10-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T02:43:13.412Z","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":"2026-06-05T02:43:13.412Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T02:43:13.412Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}