{"id":"vidhyamitra:city-day:thane:1922-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1922-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1922-02-01","date_display":"February 1, 1922 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":1922,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423086.770833,"kali_year":5023,"ahargana":1834621.2708,"sun":{"sidereal_longitude":288.8452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.2158,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.3706,"elapsed_within_tithi_degrees":11.3706},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":336.2158,"elapsed_within_degrees":2.8824},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.0609},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1922,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2423086.770833,"ahargana":1834621.2708,"kali_year":5023,"ayanamsa_lahiri":22.7646,"grahas":{"sun":{"sidereal_longitude":288.6432239999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":332.49682400000006,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false,"latitude":1.2934},"mars":{"sidereal_longitude":208.99062400000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":307.87092400000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":177.01312400000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":287.757924,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":164.99822399999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":172.9363,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":352.9363,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"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":1922,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2423086.770833,"kali_year":5023,"ahargana":1834621.2708,"sun":{"sidereal_longitude":288.8452,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":336.2158,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":47.3706,"elapsed_within_tithi_degrees":11.3706},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1,"moon_longitude":336.2158,"elapsed_within_degrees":2.8824},"yoga":{"number":20,"name":"Śiva","sum_longitude":265.0609},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.293,"elongation":47.371},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.293,"opposition_distance":132.629}},"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":"18:30","solarNoonLocal":"12:52","dayLengthHours":11.28989674144728,"dayLengthDisplay":"11 Hours 17 Mins 24 Secs","nightLengthDisplay":"12 Hours 42 Mins 36 Secs","moonriseLocal":"09:47","moonsetLocal":"21:47","rahuKala":{"name":"Rāhu Kāla","start":"12:52","end":"14:16","startHours":12.862949135289927,"endHours":14.274186227970837,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:38","end":"10:02","startHours":8.629237857247197,"endHours":10.040474949928107,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:27","end":"12:52","startHours":11.451712042609017,"endHours":12.862949135289927,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:14","startHours":9.85231000423732,"endHours":10.228639895618896,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:59","startHours":7.6884131287932584,"endHours":7.989477041898519,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:29","end":"13:14","startHours":12.48661924390835,"endHours":13.239279026671504,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:28","startHours":5.712681199039984,"endHours":6.465340981803137,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:13","startHours":6.2771760361123485,"endHours":7.2180007645662885,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:30","startHours":14.744598592197807,"endHours":15.497258374960959,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:18","end":"18:42","startHours":18.307897506013568,"endHours":18.707897506013566,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:30","end":"18:59","startHours":18.507897506013567,"endHours":18.978309870240537,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:15","end":"20:00","startHours":18.257897506013567,"endHours":20.007897506013567,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:29","end":"01:14","startHours":24.48661924390835,"endHours":25.239279026671504,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:13","end":"08:38","startHours":7.2180007645662885,"endHours":8.629237857247197,"quality":"auspicious"},{"name":"Amṛta","start":"08:38","end":"10:02","startHours":8.629237857247197,"endHours":10.040474949928107,"quality":"auspicious"},{"name":"Kāla","start":"10:02","end":"11:27","startHours":10.040474949928107,"endHours":11.451712042609017,"quality":"inauspicious"},{"name":"Śubha","start":"11:27","end":"12:52","startHours":11.451712042609017,"endHours":12.862949135289927,"quality":"auspicious"},{"name":"Roga","start":"12:52","end":"14:16","startHours":12.862949135289927,"endHours":14.274186227970837,"quality":"inauspicious"},{"name":"Udveg","start":"14:16","end":"15:41","startHours":14.274186227970837,"endHours":15.685423320651747,"quality":"inauspicious"},{"name":"Chala","start":"15:41","end":"17:06","startHours":15.685423320651747,"endHours":17.096660413332657,"quality":"neutral"},{"name":"Labha","start":"17:06","end":"18:30","startHours":17.096660413332657,"endHours":18.507897506013567,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:30","end":"20:06","startHours":18.507897506013567,"endHours":20.096660413332657,"quality":"inauspicious"},{"name":"Chala","start":"20:06","end":"21:41","startHours":20.096660413332657,"endHours":21.685423320651747,"quality":"neutral"},{"name":"Labha","start":"21:41","end":"23:16","startHours":21.685423320651747,"endHours":23.274186227970837,"quality":"auspicious"},{"name":"Amṛta","start":"23:16","end":"00:52","startHours":23.274186227970837,"endHours":24.862949135289927,"quality":"auspicious"},{"name":"Kāla","start":"00:52","end":"02:27","startHours":24.862949135289927,"endHours":26.451712042609017,"quality":"inauspicious"},{"name":"Śubha","start":"02:27","end":"04:02","startHours":26.451712042609017,"endHours":28.040474949928107,"quality":"auspicious"},{"name":"Roga","start":"04:02","end":"05:38","startHours":28.040474949928107,"endHours":29.629237857247197,"quality":"inauspicious"},{"name":"Udveg","start":"05:38","end":"07:13","startHours":29.629237857247197,"endHours":31.218000764566288,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.2180007645662885,"endHours":8.218000764566288,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.218000764566288,"endHours":9.218000764566288,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.218000764566288,"endHours":10.218000764566288,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.218000764566288,"endHours":11.218000764566288,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.218000764566288,"endHours":12.218000764566288,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.218000764566288,"endHours":13.218000764566288,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.218000764566288,"endHours":14.218000764566288,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.218000764566288,"endHours":15.218000764566288,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.218000764566288,"endHours":16.218000764566288,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.218000764566288,"endHours":17.218000764566288,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.218000764566288,"endHours":18.218000764566288,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.218000764566288,"endHours":19.218000764566288,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.218000764566288,"endHours":20.218000764566288,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.218000764566288,"endHours":21.218000764566288,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.218000764566288,"endHours":22.218000764566288,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.218000764566288,"endHours":23.218000764566288,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.218000764566288,"endHours":24.218000764566288,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.218000764566288,"endHours":25.218000764566288,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.218000764566288,"endHours":26.218000764566288,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.218000764566288,"endHours":27.218000764566288,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.218000764566288,"endHours":28.218000764566288,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.218000764566288,"endHours":29.218000764566288,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.218000764566288,"endHours":30.218000764566288,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.218000764566288,"endHours":31.218000764566288,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara 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":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mudgara","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":-17.355982088373313,"eotMinutes":-13.689348117395623,"ayanamsa":22.7646}},"calendars":{"vikram_samvat":1979,"vikram_samvatsara":"Yuva","saka_samvat":1844,"saka_samvatsara":"Dundubhi","bengali_samvat":1329,"malayalam_era":1098,"nanakshahi_year":453,"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 Caturthī · Vikram 1979 Yuva · Śaka 1844 Dundubhi"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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, 1922 CE · Thane, Maharashtra · Vidhyamitra","description":"February 1, 1922 CE for Thane, Maharashtra: Śukla Caturthī, sūryodaya 07:13, sūryāsta 18:30.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1922-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1922-02-01","sa":"https://sa.vidhyamitra.com/city/thane/1922-02-01","hi":"https://hi.vidhyamitra.com/city/thane/1922-02-01","x-default":"https://vidhyamitra.com/city/thane/1922-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:12:00.563Z","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":"2026-05-31T16:12:00.563Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:12:00.563Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}