{"id":"vidhyamitra:city-day:thane:1870-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1870-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1870-02-01","date_display":"February 1, 1870 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":1870,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404094.770833,"kali_year":4971,"ahargana":1815629.2708,"sun":{"sidereal_longitude":290.3313,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":296.7376,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.4063,"elapsed_within_tithi_degrees":6.4063},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.7376,"elapsed_within_degrees":3.4043},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.069},"karana":{"half_tithi_index":1,"name":"Bava"},"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":1870,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2404094.770833,"ahargana":1815629.2708,"kali_year":4971,"ayanamsa_lahiri":22.0382,"grahas":{"sun":{"sidereal_longitude":289.99925800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":294.396558,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false,"latitude":-1.3529},"mars":{"sidereal_longitude":300.476758,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":296.38275799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":21.972958000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":322.6485580000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":244.208258,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":99.2238,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.2238,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1870,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2404094.770833,"kali_year":4971,"ahargana":1815629.2708,"sun":{"sidereal_longitude":290.3313,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":296.7376,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.4063,"elapsed_within_tithi_degrees":6.4063},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.7376,"elapsed_within_degrees":3.4043},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.069},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.353,"elongation":6.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.353,"opposition_distance":173.594}},"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":"07:13","sunsetLocal":"18:31","solarNoonLocal":"12:52","dayLengthHours":11.298713745045866,"dayLengthDisplay":"11 Hours 17 Mins 55 Secs","nightLengthDisplay":"12 Hours 42 Mins 05 Secs","moonriseLocal":"07:30","moonsetLocal":"18:49","rahuKala":{"name":"Rāhu Kāla","start":"15:41","end":"17:06","startHours":15.687627571551392,"endHours":17.099966789682128,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:02","end":"11:27","startHours":10.038270699028459,"endHours":11.450609917159193,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:52","end":"14:17","startHours":12.862949135289927,"endHours":14.27528835342066,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:14","startHours":9.849958803277696,"endHours":10.226582594779224,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:59","startHours":7.684372002143904,"endHours":7.985671035345128,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.486325343788398,"endHours":13.239572926791457,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:28","startHours":5.707097096760878,"endHours":6.460344679763936,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:13","startHours":6.272032784013171,"endHours":7.213592262766993,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:30","startHours":14.746068092797572,"endHours":15.499315675800629,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31230600781286,"endHours":18.71230600781286,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"18:59","startHours":18.51230600781286,"endHours":18.983085747189772,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26230600781286,"endHours":20.01230600781286,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.486325343788398,"endHours":25.239572926791457,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:13","end":"08:38","startHours":7.213592262766993,"endHours":8.625931480897727,"quality":"inauspicious"},{"name":"Udveg","start":"08:38","end":"10:02","startHours":8.625931480897727,"endHours":10.038270699028459,"quality":"inauspicious"},{"name":"Chala","start":"10:02","end":"11:27","startHours":10.038270699028459,"endHours":11.450609917159193,"quality":"neutral"},{"name":"Labha","start":"11:27","end":"12:52","startHours":11.450609917159193,"endHours":12.862949135289927,"quality":"auspicious"},{"name":"Amṛta","start":"12:52","end":"14:17","startHours":12.862949135289927,"endHours":14.27528835342066,"quality":"auspicious"},{"name":"Kāla","start":"14:17","end":"15:41","startHours":14.27528835342066,"endHours":15.687627571551392,"quality":"inauspicious"},{"name":"Śubha","start":"15:41","end":"17:06","startHours":15.687627571551392,"endHours":17.099966789682128,"quality":"auspicious"},{"name":"Roga","start":"17:06","end":"18:31","startHours":17.099966789682128,"endHours":18.51230600781286,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:31","end":"20:06","startHours":18.51230600781286,"endHours":20.099966789682128,"quality":"inauspicious"},{"name":"Śubha","start":"20:06","end":"21:41","startHours":20.099966789682128,"endHours":21.687627571551396,"quality":"auspicious"},{"name":"Roga","start":"21:41","end":"23:17","startHours":21.687627571551396,"endHours":23.27528835342066,"quality":"inauspicious"},{"name":"Udveg","start":"23:17","end":"00:52","startHours":23.27528835342066,"endHours":24.862949135289927,"quality":"inauspicious"},{"name":"Chala","start":"00:52","end":"02:27","startHours":24.862949135289927,"endHours":26.450609917159195,"quality":"neutral"},{"name":"Labha","start":"02:27","end":"04:02","startHours":26.450609917159195,"endHours":28.03827069902846,"quality":"auspicious"},{"name":"Amṛta","start":"04:02","end":"05:38","startHours":28.03827069902846,"endHours":29.625931480897727,"quality":"auspicious"},{"name":"Kāla","start":"05:38","end":"07:13","startHours":29.625931480897727,"endHours":31.213592262766994,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.213592262766993,"endHours":8.213592262766994,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.213592262766994,"endHours":9.213592262766994,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.213592262766994,"endHours":10.213592262766994,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.213592262766994,"endHours":11.213592262766994,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.213592262766994,"endHours":12.213592262766994,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.213592262766994,"endHours":13.213592262766994,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.213592262766994,"endHours":14.213592262766994,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.213592262766994,"endHours":15.213592262766994,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.213592262766994,"endHours":16.213592262766994,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.213592262766994,"endHours":17.213592262766994,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.213592262766994,"endHours":18.213592262766994,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.213592262766994,"endHours":19.213592262766994,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.213592262766994,"endHours":20.213592262766994,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.213592262766994,"endHours":21.213592262766994,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.213592262766994,"endHours":22.213592262766994,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.213592262766994,"endHours":23.213592262766994,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.213592262766994,"endHours":24.213592262766994,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.213592262766994,"endHours":25.213592262766994,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.213592262766994,"endHours":26.213592262766994,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.213592262766994,"endHours":27.213592262766994,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.213592262766994,"endHours":28.213592262766994,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.213592262766994,"endHours":29.213592262766994,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.213592262766994,"endHours":30.213592262766994,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.213592262766994,"endHours":31.213592262766994,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Dhūmra","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":-17.181450747232446,"eotMinutes":-13.689348117395623,"ayanamsa":22.0382}},"calendars":{"vikram_samvat":1927,"vikram_samvatsara":"Subhānu","saka_samvat":1792,"saka_samvatsara":"Pramoda","bengali_samvat":1277,"malayalam_era":1046,"nanakshahi_year":401,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","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 Śukla Pratipada · Vikram 1927 Subhānu · Śaka 1792 Pramoda"},"festivals":[{"id":"magha-gupta-navratri-start","name":"Māgha Gupta Navrātri Start","name_sanskrit":"माघ गुप्त नवरात्रि आरम्भ","tradition":"Shakta","associated_deity":"Devī (10 Mahāvidyās)","significance":"Hidden (gupta) Navrātri for advanced sādhanā of 10 Mahāvidyās.","vrata":true,"detection":{"tithi_number":1,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":3}],"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 February 1, 1870 CE · Thane, Maharashtra · Vidhyamitra","description":"February 1, 1870 CE for Thane, Maharashtra: Śukla Pratipada, sūryodaya 07:13, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1870-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1870-02-01","sa":"https://sa.vidhyamitra.com/city/thane/1870-02-01","hi":"https://hi.vidhyamitra.com/city/thane/1870-02-01","x-default":"https://vidhyamitra.com/city/thane/1870-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T02:34:49.498Z","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":"2026-06-01T02:34:49.498Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T02:34:49.498Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}