{"id":"vidhyamitra:city-day:thane:1877-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1877-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1877-02-01","date_display":"February 1, 1877 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":1877,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406651.770833,"kali_year":4978,"ahargana":1818186.2708,"sun":{"sidereal_longitude":290.524,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":146.1125,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.5886,"elapsed_within_tithi_degrees":11.5886},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.1125,"elapsed_within_degrees":12.7792},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.6365},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1877,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2406651.770833,"ahargana":1818186.2708,"kali_year":4978,"ayanamsa_lahiri":22.136,"grahas":{"sun":{"sidereal_longitude":290.206762,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":147.73596199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-0.186},"mars":{"sidereal_longitude":230.90096199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":280.845962,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":244.80356200000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":268.29536199999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":316.21016199999997,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":323.7416,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":143.7416,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":1877,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2406651.770833,"kali_year":4978,"ahargana":1818186.2708,"sun":{"sidereal_longitude":290.524,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":146.1125,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":215.5886,"elapsed_within_tithi_degrees":11.5886},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.1125,"elapsed_within_degrees":12.7792},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":76.6365},"karana":{"half_tithi_index":35,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.186,"elongation":144.411},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.186,"opposition_distance":35.589}},"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":11.303019018900827,"dayLengthDisplay":"11 Hours 18 Mins 11 Secs","nightLengthDisplay":"12 Hours 41 Mins 49 Secs","moonriseLocal":"21:14","moonsetLocal":"09:30","rahuKala":{"name":"Rāhu Kāla","start":"14:17","end":"15:41","startHours":14.275826512652532,"endHours":15.688703890015134,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:13","end":"08:37","startHours":7.211439625839515,"endHours":8.624317003202119,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:02","end":"11:27","startHours":10.03719438056472,"endHours":11.450071757927326,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:14","startHours":9.848810730249708,"endHours":10.225578030879735,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:59","startHours":7.6823987516270495,"endHours":7.983812592131072,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.4861818346599,"endHours":13.239716435919954,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:27","startHours":5.704370423319404,"endHours":6.45790502457946,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:16","end":"07:13","startHours":6.269521374264446,"endHours":7.211439625839515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:30","startHours":14.746785638440066,"endHours":15.500320239700121,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:19","end":"18:43","startHours":18.31445864474034,"endHours":18.71445864474034,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:31","end":"18:59","startHours":18.51445864474034,"endHours":18.985417770527874,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:16","end":"20:01","startHours":18.26445864474034,"endHours":20.01445864474034,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.4861818346599,"endHours":25.239716435919956,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:13","end":"08:37","startHours":7.211439625839515,"endHours":8.624317003202119,"quality":"auspicious"},{"name":"Roga","start":"08:37","end":"10:02","startHours":8.624317003202119,"endHours":10.03719438056472,"quality":"inauspicious"},{"name":"Udveg","start":"10:02","end":"11:27","startHours":10.03719438056472,"endHours":11.450071757927326,"quality":"inauspicious"},{"name":"Chala","start":"11:27","end":"12:52","startHours":11.450071757927326,"endHours":12.862949135289927,"quality":"neutral"},{"name":"Labha","start":"12:52","end":"14:17","startHours":12.862949135289927,"endHours":14.275826512652532,"quality":"auspicious"},{"name":"Amṛta","start":"14:17","end":"15:41","startHours":14.275826512652532,"endHours":15.688703890015134,"quality":"auspicious"},{"name":"Kāla","start":"15:41","end":"17:06","startHours":15.688703890015134,"endHours":17.10158126737774,"quality":"inauspicious"},{"name":"Śubha","start":"17:06","end":"18:31","startHours":17.10158126737774,"endHours":18.51445864474034,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:31","end":"20:06","startHours":18.51445864474034,"endHours":20.10158126737774,"quality":"auspicious"},{"name":"Kāla","start":"20:06","end":"21:41","startHours":20.10158126737774,"endHours":21.688703890015134,"quality":"inauspicious"},{"name":"Śubha","start":"21:41","end":"23:17","startHours":21.688703890015134,"endHours":23.27582651265253,"quality":"auspicious"},{"name":"Roga","start":"23:17","end":"00:52","startHours":23.27582651265253,"endHours":24.862949135289927,"quality":"inauspicious"},{"name":"Udveg","start":"00:52","end":"02:27","startHours":24.862949135289927,"endHours":26.450071757927326,"quality":"inauspicious"},{"name":"Chala","start":"02:27","end":"04:02","startHours":26.450071757927326,"endHours":28.03719438056472,"quality":"neutral"},{"name":"Labha","start":"04:02","end":"05:37","startHours":28.03719438056472,"endHours":29.624317003202115,"quality":"auspicious"},{"name":"Amṛta","start":"05:37","end":"07:13","startHours":29.624317003202115,"endHours":31.211439625839514,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.211439625839515,"endHours":8.211439625839514,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.211439625839514,"endHours":9.211439625839514,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.211439625839514,"endHours":10.211439625839514,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.211439625839514,"endHours":11.211439625839514,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.211439625839514,"endHours":12.211439625839514,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.211439625839514,"endHours":13.211439625839514,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.211439625839514,"endHours":14.211439625839514,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.211439625839514,"endHours":15.211439625839514,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.211439625839514,"endHours":16.211439625839514,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.211439625839514,"endHours":17.211439625839514,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.211439625839514,"endHours":18.211439625839514,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.211439625839514,"endHours":19.211439625839514,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.211439625839514,"endHours":20.211439625839514,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.211439625839514,"endHours":21.211439625839514,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.211439625839514,"endHours":22.211439625839514,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.211439625839514,"endHours":23.211439625839514,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.211439625839514,"endHours":24.211439625839514,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.211439625839514,"endHours":25.211439625839514,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.211439625839514,"endHours":26.211439625839514,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.211439625839514,"endHours":27.211439625839514,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.211439625839514,"endHours":28.211439625839514,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.211439625839514,"endHours":29.211439625839514,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.211439625839514,"endHours":30.211439625839514,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.211439625839514,"endHours":31.211439625839514,"planetary_lord":"Moon"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.09611014225738,"eotMinutes":-13.689348117395623,"ayanamsa":22.136}},"calendars":{"vikram_samvat":1934,"vikram_samvatsara":"Vikṛti","saka_samvat":1799,"saka_samvatsara":"Īśvara","bengali_samvat":1284,"malayalam_era":1053,"nanakshahi_year":408,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Tṛtīyā · Vikram 1934 Vikṛti · Śaka 1799 Īśvara"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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, 1877 CE · Thane, Maharashtra · Vidhyamitra","description":"February 1, 1877 CE for Thane, Maharashtra: Kṛṣṇa Tṛtīyā, sūryodaya 07:13, sūryāsta 18:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1877-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1877-02-01","sa":"https://sa.vidhyamitra.com/city/thane/1877-02-01","hi":"https://hi.vidhyamitra.com/city/thane/1877-02-01","x-default":"https://vidhyamitra.com/city/thane/1877-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:14:36.321Z","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":"2026-05-31T06:14:36.321Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:14:36.321Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}