{"id":"vidhyamitra:city-day:thane:1916-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1916-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1916-01-31","date_display":"January 31, 1916 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":1916,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420893.770833,"kali_year":5017,"ahargana":1832428.2708,"sun":{"sidereal_longitude":287.3662,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.769,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.4029,"elapsed_within_tithi_degrees":0.4029},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.769,"elapsed_within_degrees":13.1024},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.1352},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1916,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420893.770833,"ahargana":1832428.2708,"kali_year":5017,"ayanamsa_lahiri":22.6807,"grahas":{"sun":{"sidereal_longitude":287.15961300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":236.97611299999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":-3.4133},"mars":{"sidereal_longitude":122.46301299999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":299.07661299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":335.506613,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":321.9538130000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":79.02041299999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":289.1319,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":109.1319,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":1},"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":1916,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420893.770833,"kali_year":5017,"ahargana":1832428.2708,"sun":{"sidereal_longitude":287.3662,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":239.769,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":312.4029,"elapsed_within_tithi_degrees":0.4029},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.769,"elapsed_within_degrees":13.1024},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.1352},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.413,"elongation":47.597},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.413,"opposition_distance":132.403}},"eclipse_window_40days":[{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":-1.357,"opposition_distance":1.015}]},"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":"18:30","solarNoonLocal":"12:52","dayLengthHours":11.268317368906146,"dayLengthDisplay":"11 Hours 16 Mins 06 Secs","nightLengthDisplay":"12 Hours 43 Mins 54 Secs","moonriseLocal":"04:02","moonsetLocal":"15:00","rahuKala":{"name":"Rāhu Kāla","start":"08:38","end":"10:03","startHours":8.634667462357562,"endHours":10.043207133470831,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:27","end":"12:52","startHours":11.4517468045841,"endHours":12.860286475697368,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:16","end":"15:41","startHours":14.268826146810635,"endHours":15.677365817923905,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:14","startHours":9.855401843989062,"endHours":10.2310124229526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:42","end":"08:00","startHours":7.695641014948718,"endHours":7.996129478119548,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.48467589673383,"endHours":13.235897054660906,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:28","startHours":5.723685475390142,"endHours":6.474906633317218,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:14","startHours":6.28710134383545,"endHours":7.226127791244295,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:44","end":"15:29","startHours":14.73833937051506,"endHours":15.489560528442137,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.294445160150442,"endHours":18.69444516015044,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:58","startHours":18.49444516015044,"endHours":18.963958383854862,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.24444516015044,"endHours":19.99444516015044,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.48467589673383,"endHours":25.235897054660906,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:14","end":"08:38","startHours":7.226127791244295,"endHours":8.634667462357562,"quality":"auspicious"},{"name":"Kāla","start":"08:38","end":"10:03","startHours":8.634667462357562,"endHours":10.043207133470831,"quality":"inauspicious"},{"name":"Śubha","start":"10:03","end":"11:27","startHours":10.043207133470831,"endHours":11.4517468045841,"quality":"auspicious"},{"name":"Roga","start":"11:27","end":"12:52","startHours":11.4517468045841,"endHours":12.860286475697368,"quality":"inauspicious"},{"name":"Udveg","start":"12:52","end":"14:16","startHours":12.860286475697368,"endHours":14.268826146810635,"quality":"inauspicious"},{"name":"Chala","start":"14:16","end":"15:41","startHours":14.268826146810635,"endHours":15.677365817923905,"quality":"neutral"},{"name":"Labha","start":"15:41","end":"17:05","startHours":15.677365817923905,"endHours":17.085905489037174,"quality":"auspicious"},{"name":"Amṛta","start":"17:05","end":"18:30","startHours":17.085905489037174,"endHours":18.49444516015044,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:30","end":"20:05","startHours":18.49444516015044,"endHours":20.085905489037174,"quality":"neutral"},{"name":"Labha","start":"20:05","end":"21:41","startHours":20.085905489037174,"endHours":21.677365817923906,"quality":"auspicious"},{"name":"Amṛta","start":"21:41","end":"23:16","startHours":21.677365817923906,"endHours":23.268826146810635,"quality":"auspicious"},{"name":"Kāla","start":"23:16","end":"00:52","startHours":23.268826146810635,"endHours":24.860286475697368,"quality":"inauspicious"},{"name":"Śubha","start":"00:52","end":"02:27","startHours":24.860286475697368,"endHours":26.4517468045841,"quality":"auspicious"},{"name":"Roga","start":"02:27","end":"04:03","startHours":26.4517468045841,"endHours":28.04320713347083,"quality":"inauspicious"},{"name":"Udveg","start":"04:03","end":"05:38","startHours":28.04320713347083,"endHours":29.634667462357562,"quality":"inauspicious"},{"name":"Chala","start":"05:38","end":"07:14","startHours":29.634667462357562,"endHours":31.226127791244295,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.226127791244295,"endHours":8.226127791244295,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.226127791244295,"endHours":9.226127791244295,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.226127791244295,"endHours":10.226127791244295,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.226127791244295,"endHours":11.226127791244295,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.226127791244295,"endHours":12.226127791244295,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.226127791244295,"endHours":13.226127791244295,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.226127791244295,"endHours":14.226127791244295,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.226127791244295,"endHours":15.226127791244295,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.226127791244295,"endHours":16.226127791244295,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.226127791244295,"endHours":17.226127791244295,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.226127791244295,"endHours":18.226127791244295,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.226127791244295,"endHours":19.226127791244295,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.226127791244295,"endHours":20.226127791244295,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.226127791244295,"endHours":21.226127791244295,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.226127791244295,"endHours":22.226127791244295,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.226127791244295,"endHours":23.226127791244295,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.226127791244295,"endHours":24.226127791244295,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.226127791244295,"endHours":25.226127791244295,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.226127791244295,"endHours":26.226127791244295,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.226127791244295,"endHours":27.226127791244295,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.226127791244295,"endHours":28.226127791244295,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.226127791244295,"endHours":29.226127791244295,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.226127791244295,"endHours":30.226127791244295,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.226127791244295,"endHours":31.226127791244295,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.781754603753164,"eotMinutes":-13.52958854184206,"ayanamsa":22.6807}},"calendars":{"vikram_samvat":1973,"vikram_samvatsara":"Śukla","saka_samvat":1838,"saka_samvatsara":"Nala","bengali_samvat":1323,"malayalam_era":1092,"nanakshahi_year":447,"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":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Dvādaśī · Vikram 1973 Śukla · Śaka 1838 Nala"},"festivals":[],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Jyeṣṭhā","url":"/day/-3137-10-20","relevance":0.5}]},"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 31, 1916 CE · Thane, Maharashtra · Vidhyamitra","description":"January 31, 1916 CE for Thane, Maharashtra: Kṛṣṇa Dvādaśī, sūryodaya 07:14, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1916-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1916-01-31","sa":"https://sa.vidhyamitra.com/city/thane/1916-01-31","hi":"https://hi.vidhyamitra.com/city/thane/1916-01-31","x-default":"https://vidhyamitra.com/city/thane/1916-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T17:03:39.549Z","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":"2026-06-02T17:03:39.549Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T17:03:39.549Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}