{"id":"vidhyamitra:city-day:howrah:2154-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2154-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2154-01-21","date_display":"January 21, 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":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507812.770833,"kali_year":5255,"ahargana":1919347.2708,"sun":{"sidereal_longitude":274.477,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":358.2632,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.7863,"elapsed_within_tithi_degrees":11.7863},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.2632,"elapsed_within_degrees":11.5966},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.7402},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507812.770833,"ahargana":1919347.2708,"kali_year":5255,"ayanamsa_lahiri":26.005,"grahas":{"sun":{"sidereal_longitude":274.919768,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":359.097068,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false,"latitude":-0.4294},"mars":{"sidereal_longitude":284.20216800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":263.96426799999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":353.669668,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":285.8357679999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":114.48816799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":3.745,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":183.745,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2154,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507812.770833,"kali_year":5255,"ahargana":1919347.2708,"sun":{"sidereal_longitude":274.477,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":358.2632,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":83.7863,"elapsed_within_tithi_degrees":11.7863},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":358.2632,"elapsed_within_degrees":11.5966},"yoga":{"number":21,"name":"Siddha","sum_longitude":272.7402},"karana":{"half_tithi_index":13,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.429,"elongation":83.786},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.429,"opposition_distance":96.214}},"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":"06:19","sunsetLocal":"17:17","solarNoonLocal":"11:48","dayLengthHours":10.970855266597518,"dayLengthDisplay":"10 Hours 58 Mins 15 Secs","nightLengthDisplay":"13 Hours 01 Mins 45 Secs","moonriseLocal":"11:06","moonsetLocal":"23:44","rahuKala":{"name":"Rāhu Kāla","start":"07:41","end":"09:04","startHours":7.6892847958448005,"endHours":9.060641704169491,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:26","end":"11:48","startHours":10.43199861249418,"endHours":11.803355520818869,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:10","end":"14:33","startHours":13.17471242914356,"endHours":14.54606933746825,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:15","startHours":8.877794116392865,"endHours":9.243489291946116,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.775046856961674,"endHours":7.067602997404274,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:26","end":"12:10","startHours":11.437660345265618,"endHours":12.16905069637212,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:51","end":"05:35","startHours":4.855147185307109,"endHours":5.586537536413609,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:24","end":"06:19","startHours":5.403689948636984,"endHours":6.317927887520111,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:38","end":"14:22","startHours":13.631831398585124,"endHours":14.363221749691625,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.08878315411763,"endHours":17.488783154117627,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:45","startHours":17.288783154117628,"endHours":17.74590212355919,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.038783154117628,"endHours":18.788783154117628,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:26","end":"00:10","startHours":23.43766034526562,"endHours":24.169050696372118,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:19","end":"07:41","startHours":6.317927887520111,"endHours":7.6892847958448005,"quality":"auspicious"},{"name":"Kāla","start":"07:41","end":"09:04","startHours":7.6892847958448005,"endHours":9.060641704169491,"quality":"inauspicious"},{"name":"Śubha","start":"09:04","end":"10:26","startHours":9.060641704169491,"endHours":10.43199861249418,"quality":"auspicious"},{"name":"Roga","start":"10:26","end":"11:48","startHours":10.43199861249418,"endHours":11.803355520818869,"quality":"inauspicious"},{"name":"Udveg","start":"11:48","end":"13:10","startHours":11.803355520818869,"endHours":13.17471242914356,"quality":"inauspicious"},{"name":"Chala","start":"13:10","end":"14:33","startHours":13.17471242914356,"endHours":14.54606933746825,"quality":"neutral"},{"name":"Labha","start":"14:33","end":"15:55","startHours":14.54606933746825,"endHours":15.917426245792939,"quality":"auspicious"},{"name":"Amṛta","start":"15:55","end":"17:17","startHours":15.917426245792939,"endHours":17.288783154117628,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:17","end":"18:55","startHours":17.288783154117628,"endHours":18.91742624579294,"quality":"neutral"},{"name":"Labha","start":"18:55","end":"20:33","startHours":18.91742624579294,"endHours":20.546069337468246,"quality":"auspicious"},{"name":"Amṛta","start":"20:33","end":"22:10","startHours":20.546069337468246,"endHours":22.174712429143558,"quality":"auspicious"},{"name":"Kāla","start":"22:10","end":"23:48","startHours":22.174712429143558,"endHours":23.80335552081887,"quality":"inauspicious"},{"name":"Śubha","start":"23:48","end":"01:26","startHours":23.80335552081887,"endHours":25.43199861249418,"quality":"auspicious"},{"name":"Roga","start":"01:26","end":"03:04","startHours":25.43199861249418,"endHours":27.06064170416949,"quality":"inauspicious"},{"name":"Udveg","start":"03:04","end":"04:41","startHours":27.06064170416949,"endHours":28.6892847958448,"quality":"inauspicious"},{"name":"Chala","start":"04:41","end":"06:19","startHours":28.6892847958448,"endHours":30.31792788752011,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.317927887520111,"endHours":7.317927887520111,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.317927887520111,"endHours":8.31792788752011,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.31792788752011,"endHours":9.31792788752011,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.31792788752011,"endHours":10.31792788752011,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.31792788752011,"endHours":11.31792788752011,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.31792788752011,"endHours":12.31792788752011,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.31792788752011,"endHours":13.31792788752011,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.31792788752011,"endHours":14.31792788752011,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.31792788752011,"endHours":15.31792788752011,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.31792788752011,"endHours":16.31792788752011,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.31792788752011,"endHours":17.31792788752011,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.31792788752011,"endHours":18.31792788752011,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.31792788752011,"endHours":19.31792788752011,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.31792788752011,"endHours":20.31792788752011,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.31792788752011,"endHours":21.31792788752011,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.31792788752011,"endHours":22.31792788752011,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.31792788752011,"endHours":23.31792788752011,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.31792788752011,"endHours":24.31792788752011,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.31792788752011,"endHours":25.31792788752011,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.31792788752011,"endHours":26.31792788752011,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.31792788752011,"endHours":27.31792788752011,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.31792788752011,"endHours":28.31792788752011,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.31792788752011,"endHours":29.31792788752011,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.31792788752011,"endHours":30.31792788752011,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-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":-19.94951014821543,"eotMinutes":-11.255731249132124,"ayanamsa":26.005}},"calendars":{"vikram_samvat":2211,"vikram_samvatsara":"Prabhava","saka_samvat":2076,"saka_samvatsara":"Ānanda","bengali_samvat":1561,"malayalam_era":1330,"nanakshahi_year":685,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Saptamī · Vikram 2211 Prabhava · Śaka 2076 Ānanda"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 January 21, 2154 CE · Howrah, West Bengal · Vidhyamitra","description":"January 21, 2154 CE for Howrah, West Bengal: Śukla Saptamī, sūryodaya 06:19, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2154-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2154-01-21","sa":"https://sa.vidhyamitra.com/city/howrah/2154-01-21","hi":"https://hi.vidhyamitra.com/city/howrah/2154-01-21","x-default":"https://vidhyamitra.com/city/howrah/2154-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T02:23:47.116Z","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":"2026-06-03T02:23:47.116Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T02:23:47.116Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}