{"id":"vidhyamitra:city-day:howrah:2154-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2154-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-02-01","date_display":"February 1, 2154 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":2154,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507823.770833,"kali_year":5255,"ahargana":1919358.2708,"sun":{"sidereal_longitude":285.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.3091,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.5625,"elapsed_within_tithi_degrees":5.5625},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.3091,"elapsed_within_degrees":1.9758},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.0558},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2154,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507823.770833,"ahargana":1919358.2708,"kali_year":5255,"ayanamsa_lahiri":26.0055,"grahas":{"sun":{"sidereal_longitude":286.104748,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":136.30464800000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.3349},"mars":{"sidereal_longitude":292.874948,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":260.5508480000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":355.125348,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":299.61854800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":113.633648,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":3.1622,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":183.1622,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":2154,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507823.770833,"kali_year":5255,"ahargana":1919358.2708,"sun":{"sidereal_longitude":285.7467,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":135.3091,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":209.5625,"elapsed_within_tithi_degrees":5.5625},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.3091,"elapsed_within_degrees":1.9758},"yoga":{"number":5,"name":"Śobhana","sum_longitude":61.0558},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.335,"elongation":150.438},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.335,"opposition_distance":29.562}},"eclipse_window_40days":[]},"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":11.14229536363979,"dayLengthDisplay":"11 Hours 08 Mins 32 Secs","nightLengthDisplay":"12 Hours 51 Mins 28 Secs","moonriseLocal":"19:37","moonsetLocal":"08:06","rahuKala":{"name":"Rāhu Kāla","start":"10:27","end":"11:51","startHours":10.45112888150162,"endHours":11.843915801956594,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:38","end":"16:01","startHours":14.629489642866542,"endHours":16.022276563321515,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:40","end":"09:04","startHours":7.665555040591673,"endHours":9.058341961046647,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:15","startHours":8.872637038319317,"endHours":9.244046883773976,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:02","startHours":6.737030426955023,"endHours":7.034158303318751,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:13","startHours":11.472505956501935,"endHours":12.215325647411253,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:32","startHours":4.78712873831806,"endHours":5.52994842922738,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:16","startHours":5.3442435065000495,"endHours":6.272768120136699,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:42","end":"14:27","startHours":13.700965029229891,"endHours":14.443784720139211,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.21506348377649,"endHours":17.61506348377649,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:53","startHours":17.41506348377649,"endHours":17.879325790594812,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.16506348377649,"endHours":18.91506348377649,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:13","startHours":23.472505956501934,"endHours":24.215325647411255,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:16","end":"07:40","startHours":6.272768120136699,"endHours":7.665555040591673,"quality":"neutral"},{"name":"Labha","start":"07:40","end":"09:04","startHours":7.665555040591673,"endHours":9.058341961046647,"quality":"auspicious"},{"name":"Amṛta","start":"09:04","end":"10:27","startHours":9.058341961046647,"endHours":10.45112888150162,"quality":"auspicious"},{"name":"Kāla","start":"10:27","end":"11:51","startHours":10.45112888150162,"endHours":11.843915801956594,"quality":"inauspicious"},{"name":"Śubha","start":"11:51","end":"13:14","startHours":11.843915801956594,"endHours":13.236702722411568,"quality":"auspicious"},{"name":"Roga","start":"13:14","end":"14:38","startHours":13.236702722411568,"endHours":14.629489642866542,"quality":"inauspicious"},{"name":"Udveg","start":"14:38","end":"16:01","startHours":14.629489642866542,"endHours":16.022276563321515,"quality":"inauspicious"},{"name":"Chala","start":"16:01","end":"17:25","startHours":16.022276563321515,"endHours":17.41506348377649,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:25","end":"19:01","startHours":17.41506348377649,"endHours":19.022276563321515,"quality":"inauspicious"},{"name":"Udveg","start":"19:01","end":"20:38","startHours":19.022276563321515,"endHours":20.62948964286654,"quality":"inauspicious"},{"name":"Chala","start":"20:38","end":"22:14","startHours":20.62948964286654,"endHours":22.236702722411568,"quality":"neutral"},{"name":"Labha","start":"22:14","end":"23:51","startHours":22.236702722411568,"endHours":23.843915801956594,"quality":"auspicious"},{"name":"Amṛta","start":"23:51","end":"01:27","startHours":23.843915801956594,"endHours":25.45112888150162,"quality":"auspicious"},{"name":"Kāla","start":"01:27","end":"03:04","startHours":25.45112888150162,"endHours":27.058341961046647,"quality":"inauspicious"},{"name":"Śubha","start":"03:04","end":"04:40","startHours":27.058341961046647,"endHours":28.665555040591673,"quality":"auspicious"},{"name":"Roga","start":"04:40","end":"06:16","startHours":28.665555040591673,"endHours":30.2727681201367,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.272768120136699,"endHours":7.272768120136699,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.272768120136699,"endHours":8.2727681201367,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.2727681201367,"endHours":9.2727681201367,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.2727681201367,"endHours":10.2727681201367,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.2727681201367,"endHours":11.2727681201367,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.2727681201367,"endHours":12.2727681201367,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.2727681201367,"endHours":13.2727681201367,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.2727681201367,"endHours":14.2727681201367,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.2727681201367,"endHours":15.2727681201367,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.2727681201367,"endHours":16.2727681201367,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.2727681201367,"endHours":17.2727681201367,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.2727681201367,"endHours":18.2727681201367,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.2727681201367,"endHours":19.2727681201367,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.2727681201367,"endHours":20.2727681201367,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.2727681201367,"endHours":21.2727681201367,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.2727681201367,"endHours":22.2727681201367,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.2727681201367,"endHours":23.2727681201367,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.2727681201367,"endHours":24.2727681201367,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.2727681201367,"endHours":25.2727681201367,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.2727681201367,"endHours":26.2727681201367,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.2727681201367,"endHours":27.2727681201367,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.2727681201367,"endHours":28.2727681201367,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.2727681201367,"endHours":29.2727681201367,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.2727681201367,"endHours":30.2727681201367,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","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":-17.161146012909924,"eotMinutes":-13.689348117395623,"ayanamsa":26.0055}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"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 Tṛtīyā · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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, 2154 CE · Howrah, West Bengal · Vidhyamitra","description":"February 1, 2154 CE for Howrah, West Bengal: Kṛṣṇa Tṛtīyā, sūryodaya 06:16, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2154-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2154-02-01","sa":"https://sa.vidhyamitra.com/city/howrah/2154-02-01","hi":"https://hi.vidhyamitra.com/city/howrah/2154-02-01","x-default":"https://vidhyamitra.com/city/howrah/2154-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T16:30:22.050Z","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":"2026-06-01T16:30:22.050Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T16:30:22.050Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}