{"id":"vidhyamitra:city-day:howrah:2157-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2157-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-02-01","date_display":"February 1, 2157 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":2157,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508919.770833,"kali_year":5258,"ahargana":1920454.2708,"sun":{"sidereal_longitude":285.9755,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":181.0136,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.0382,"elapsed_within_tithi_degrees":3.0382},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.0136,"elapsed_within_degrees":7.6803},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.9891},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":2157,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508919.770833,"ahargana":1920454.2708,"kali_year":5258,"ayanamsa_lahiri":26.0474,"grahas":{"sun":{"sidereal_longitude":286.339072,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":177.764272,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.7261},"mars":{"sidereal_longitude":187.754772,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":283.56837199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":99.50057199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"venus":{"sidereal_longitude":281.3404720000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":155.71197200000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":305.0909,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":125.0909,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2157,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508919.770833,"kali_year":5258,"ahargana":1920454.2708,"sun":{"sidereal_longitude":285.9755,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":181.0136,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.0382,"elapsed_within_tithi_degrees":3.0382},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.0136,"elapsed_within_degrees":7.6803},"yoga":{"number":9,"name":"Śūla","sum_longitude":106.9891},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.726,"elongation":104.962},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.726,"opposition_distance":75.038}},"eclipse_window_40days":[{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":-0.652,"elongation":1.108}]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:16","sunsetLocal":"17:25","solarNoonLocal":"11:51","dayLengthHours":11.146968269958201,"dayLengthDisplay":"11 Hours 08 Mins 49 Secs","nightLengthDisplay":"12 Hours 51 Mins 11 Secs","moonriseLocal":"22:49","moonsetLocal":"10:23","rahuKala":{"name":"Rāhu Kāla","start":"14:38","end":"16:01","startHours":14.630657869446146,"endHours":16.02402890319092,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:03","end":"10:27","startHours":9.057173734467046,"endHours":10.45054476821182,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:51","end":"13:14","startHours":11.843915801956594,"endHours":13.23728683570137,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:15","startHours":8.871390929967742,"endHours":9.242956538966348,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:02","startHours":6.7348886782257535,"endHours":7.032141165424639,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:13","startHours":11.472350192957988,"endHours":12.215481410955201,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:32","startHours":4.784169230983068,"endHours":5.527300448980282,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:16","startHours":5.341517644480978,"endHours":6.270431666977495,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:27","startHours":13.701743846949629,"endHours":14.444875064946842,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.217399936935696,"endHours":17.617399936935694,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:53","startHours":17.417399936935695,"endHours":17.88185694818395,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.167399936935695,"endHours":18.917399936935695,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:13","startHours":23.472350192957986,"endHours":24.215481410955203,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:16","end":"07:40","startHours":6.270431666977495,"endHours":7.66380270072227,"quality":"inauspicious"},{"name":"Udveg","start":"07:40","end":"09:03","startHours":7.66380270072227,"endHours":9.057173734467046,"quality":"inauspicious"},{"name":"Chala","start":"09:03","end":"10:27","startHours":9.057173734467046,"endHours":10.45054476821182,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"11:51","startHours":10.45054476821182,"endHours":11.843915801956594,"quality":"auspicious"},{"name":"Amṛta","start":"11:51","end":"13:14","startHours":11.843915801956594,"endHours":13.23728683570137,"quality":"auspicious"},{"name":"Kāla","start":"13:14","end":"14:38","startHours":13.23728683570137,"endHours":14.630657869446146,"quality":"inauspicious"},{"name":"Śubha","start":"14:38","end":"16:01","startHours":14.630657869446146,"endHours":16.02402890319092,"quality":"auspicious"},{"name":"Roga","start":"16:01","end":"17:25","startHours":16.02402890319092,"endHours":17.417399936935695,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:25","end":"19:01","startHours":17.417399936935695,"endHours":19.02402890319092,"quality":"inauspicious"},{"name":"Śubha","start":"19:01","end":"20:38","startHours":19.02402890319092,"endHours":20.630657869446146,"quality":"auspicious"},{"name":"Roga","start":"20:38","end":"22:14","startHours":20.630657869446146,"endHours":22.23728683570137,"quality":"inauspicious"},{"name":"Udveg","start":"22:14","end":"23:51","startHours":22.23728683570137,"endHours":23.843915801956594,"quality":"inauspicious"},{"name":"Chala","start":"23:51","end":"01:27","startHours":23.843915801956594,"endHours":25.45054476821182,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"03:03","startHours":25.45054476821182,"endHours":27.057173734467042,"quality":"auspicious"},{"name":"Amṛta","start":"03:03","end":"04:40","startHours":27.057173734467042,"endHours":28.663802700722268,"quality":"auspicious"},{"name":"Kāla","start":"04:40","end":"06:16","startHours":28.663802700722268,"endHours":30.270431666977494,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.270431666977495,"endHours":7.270431666977495,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.270431666977495,"endHours":8.270431666977494,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.270431666977494,"endHours":9.270431666977494,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.270431666977494,"endHours":10.270431666977494,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.270431666977494,"endHours":11.270431666977494,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.270431666977494,"endHours":12.270431666977494,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.270431666977494,"endHours":13.270431666977494,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.270431666977494,"endHours":14.270431666977494,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.270431666977494,"endHours":15.270431666977494,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.270431666977494,"endHours":16.270431666977494,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.270431666977494,"endHours":17.270431666977494,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.270431666977494,"endHours":18.270431666977494,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.270431666977494,"endHours":19.270431666977494,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.270431666977494,"endHours":20.270431666977494,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.270431666977494,"endHours":21.270431666977494,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.270431666977494,"endHours":22.270431666977494,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.270431666977494,"endHours":23.270431666977494,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.270431666977494,"endHours":24.270431666977494,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.270431666977494,"endHours":25.270431666977494,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.270431666977494,"endHours":26.270431666977494,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.270431666977494,"endHours":27.270431666977494,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.270431666977494,"endHours":28.270431666977494,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.270431666977494,"endHours":29.270431666977494,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.270431666977494,"endHours":30.270431666977494,"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","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":-17.08385423602565,"eotMinutes":-13.689348117395623,"ayanamsa":26.0474}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"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 Saptamī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"festivals":[],"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":"howrah"},"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, 2157 CE · Howrah, West Bengal · Vidhyamitra","description":"February 1, 2157 CE for Howrah, West Bengal: Kṛṣṇa Saptamī, sūryodaya 06:16, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2157-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2157-02-01","sa":"https://sa.vidhyamitra.com/city/howrah/2157-02-01","hi":"https://hi.vidhyamitra.com/city/howrah/2157-02-01","x-default":"https://vidhyamitra.com/city/howrah/2157-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:56:17.914Z","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":"2026-06-01T19:56:17.914Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:56:17.914Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}