{"id":"vidhyamitra:city-day:thane:1850-10-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1850-10-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1850-10-12","date_display":"October 12, 1850 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":1850,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397042.770833,"kali_year":4952,"ahargana":1808577.2708,"sun":{"sidereal_longitude":176.2198,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":254.402,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.1822,"elapsed_within_tithi_degrees":6.1822},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.402,"elapsed_within_degrees":1.0687},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.6218},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"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":1850,"month":10,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2397042.770833,"ahargana":1808577.2708,"kali_year":4952,"ayanamsa_lahiri":21.7685,"grahas":{"sun":{"sidereal_longitude":176.59589600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":254.97249599999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":2.7978},"mars":{"sidereal_longitude":193.169396,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":171.74359600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":166.95599600000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":225.31099599999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":357.514696,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":112.8727,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":292.8727,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1850,"month":10,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2397042.770833,"kali_year":4952,"ahargana":1808577.2708,"sun":{"sidereal_longitude":176.2198,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":254.402,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":78.1822,"elapsed_within_tithi_degrees":6.1822},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1,"moon_longitude":254.402,"elapsed_within_degrees":1.0687},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.6218},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.798,"elongation":78.182},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.798,"opposition_distance":101.818}},"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":"06:30","sunsetLocal":"18:17","solarNoonLocal":"12:24","dayLengthHours":11.782163616759,"dayLengthDisplay":"11 Hours 46 Mins 56 Secs","nightLengthDisplay":"12 Hours 13 Mins 04 Secs","moonriseLocal":"12:09","moonsetLocal":"23:06","rahuKala":{"name":"Rāhu Kāla","start":"09:27","end":"10:56","startHours":9.452261314323916,"endHours":10.925031766418792,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:52","end":"15:21","startHours":13.870572670608542,"endHours":15.343343122703416,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:30","end":"07:59","startHours":6.506720410134167,"endHours":7.979490862229042,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:15","end":"09:39","startHours":9.255891920711267,"endHours":9.648630707936567,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:00","end":"07:19","startHours":6.997643894165792,"endHours":7.311834923946032,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:47","startHours":12.005063431288368,"endHours":12.790541005738968,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:56","end":"05:43","startHours":4.935765261232968,"endHours":5.721242835683567,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:31","end":"06:30","startHours":5.524873442070917,"endHours":6.506720410134167,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:22","end":"15:09","startHours":14.361496154640168,"endHours":15.146973729090767,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.08888402689317,"endHours":18.488884026893167,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:47","startHours":18.288884026893168,"endHours":18.779807510924794,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.038884026893168,"endHours":19.788884026893168,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:47","startHours":24.005063431288367,"endHours":24.79054100573897,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:30","end":"07:59","startHours":6.506720410134167,"endHours":7.979490862229042,"quality":"inauspicious"},{"name":"Śubha","start":"07:59","end":"09:27","startHours":7.979490862229042,"endHours":9.452261314323916,"quality":"auspicious"},{"name":"Roga","start":"09:27","end":"10:56","startHours":9.452261314323916,"endHours":10.925031766418792,"quality":"inauspicious"},{"name":"Udveg","start":"10:56","end":"12:24","startHours":10.925031766418792,"endHours":12.397802218513668,"quality":"inauspicious"},{"name":"Chala","start":"12:24","end":"13:52","startHours":12.397802218513668,"endHours":13.870572670608542,"quality":"neutral"},{"name":"Labha","start":"13:52","end":"15:21","startHours":13.870572670608542,"endHours":15.343343122703416,"quality":"auspicious"},{"name":"Amṛta","start":"15:21","end":"16:49","startHours":15.343343122703416,"endHours":16.816113574798294,"quality":"auspicious"},{"name":"Kāla","start":"16:49","end":"18:17","startHours":16.816113574798294,"endHours":18.288884026893168,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:17","end":"19:49","startHours":18.288884026893168,"endHours":19.816113574798294,"quality":"auspicious"},{"name":"Amṛta","start":"19:49","end":"21:21","startHours":19.816113574798294,"endHours":21.343343122703416,"quality":"auspicious"},{"name":"Kāla","start":"21:21","end":"22:52","startHours":21.343343122703416,"endHours":22.870572670608542,"quality":"inauspicious"},{"name":"Śubha","start":"22:52","end":"00:24","startHours":22.870572670608542,"endHours":24.397802218513668,"quality":"auspicious"},{"name":"Roga","start":"00:24","end":"01:56","startHours":24.397802218513668,"endHours":25.925031766418794,"quality":"inauspicious"},{"name":"Udveg","start":"01:56","end":"03:27","startHours":25.925031766418794,"endHours":27.45226131432392,"quality":"inauspicious"},{"name":"Chala","start":"03:27","end":"04:59","startHours":27.45226131432392,"endHours":28.979490862229042,"quality":"neutral"},{"name":"Labha","start":"04:59","end":"06:30","startHours":28.979490862229042,"endHours":30.506720410134168,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:30","end":"07:30","startHours":6.506720410134167,"endHours":7.506720410134167,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:30","end":"08:30","startHours":7.506720410134167,"endHours":8.506720410134168,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:30","end":"09:30","startHours":8.506720410134168,"endHours":9.506720410134168,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:30","end":"10:30","startHours":9.506720410134168,"endHours":10.506720410134168,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:30","end":"11:30","startHours":10.506720410134168,"endHours":11.506720410134168,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:30","end":"12:30","startHours":11.506720410134168,"endHours":12.506720410134168,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:30","end":"13:30","startHours":12.506720410134168,"endHours":13.506720410134168,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:30","end":"14:30","startHours":13.506720410134168,"endHours":14.506720410134168,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:30","end":"15:30","startHours":14.506720410134168,"endHours":15.506720410134168,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:30","end":"16:30","startHours":15.506720410134168,"endHours":16.506720410134168,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:30","end":"17:30","startHours":16.506720410134168,"endHours":17.506720410134168,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:30","end":"18:30","startHours":17.506720410134168,"endHours":18.506720410134168,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:30","end":"19:30","startHours":18.506720410134168,"endHours":19.506720410134168,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:30","end":"20:30","startHours":19.506720410134168,"endHours":20.506720410134168,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:30","end":"21:30","startHours":20.506720410134168,"endHours":21.506720410134168,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:30","end":"22:30","startHours":21.506720410134168,"endHours":22.506720410134168,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:30","end":"23:30","startHours":22.506720410134168,"endHours":23.506720410134168,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:30","end":"00:30","startHours":23.506720410134168,"endHours":24.506720410134168,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:30","end":"01:30","startHours":24.506720410134168,"endHours":25.506720410134168,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:30","end":"02:30","startHours":25.506720410134168,"endHours":26.506720410134168,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:30","end":"03:30","startHours":26.506720410134168,"endHours":27.506720410134168,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:30","end":"04:30","startHours":27.506720410134168,"endHours":28.506720410134168,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:30","end":"05:30","startHours":28.506720410134168,"endHours":29.506720410134168,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:30","end":"06:30","startHours":29.506720410134168,"endHours":30.506720410134168,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-7.198619303455551,"eotMinutes":14.219466889179907,"ayanamsa":21.7685}},"calendars":{"vikram_samvat":1907,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1772,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1257,"malayalam_era":1026,"nanakshahi_year":381,"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":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Saptamī · Vikram 1907 Rudhirodgāri · Śaka 1772 Sādhāraṇa"},"festivals":[],"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 October 12, 1850 CE · Thane, Maharashtra · Vidhyamitra","description":"October 12, 1850 CE for Thane, Maharashtra: Śukla Saptamī, sūryodaya 06:30, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1850-10-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1850-10-12","sa":"https://sa.vidhyamitra.com/city/thane/1850-10-12","hi":"https://hi.vidhyamitra.com/city/thane/1850-10-12","x-default":"https://vidhyamitra.com/city/thane/1850-10-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:54:43.887Z","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":"2026-06-02T17:54:43.887Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:54:43.887Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}