{"id":"vidhyamitra:city-day:howrah:2180-01-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2180-01-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-01-16","date_display":"January 16, 2180 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":2180,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517303.770833,"kali_year":5281,"ahargana":1928838.2708,"sun":{"sidereal_longitude":268.5964,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":127.6314,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.035,"elapsed_within_tithi_degrees":3.035},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.6314,"elapsed_within_degrees":7.6314},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.2278},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2180,"month":1,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517303.770833,"ahargana":1928838.2708,"kali_year":5281,"ayanamsa_lahiri":26.368,"grahas":{"sun":{"sidereal_longitude":269.14804200000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":129.127342,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-4.4928},"mars":{"sidereal_longitude":236.79424199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":280.0020420000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":75.15444200000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":312.16514200000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":62.83134200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":220.8662,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":40.8662,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"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":2180,"month":1,"day":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517303.770833,"kali_year":5281,"ahargana":1928838.2708,"sun":{"sidereal_longitude":268.5964,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":127.6314,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":219.035,"elapsed_within_tithi_degrees":3.035},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.6314,"elapsed_within_degrees":7.6314},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":36.2278},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.493,"elongation":140.965},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.493,"opposition_distance":39.035}},"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":"06:20","sunsetLocal":"17:14","solarNoonLocal":"11:47","dayLengthHours":10.902447971610435,"dayLengthDisplay":"10 Hours 54 Mins 09 Secs","nightLengthDisplay":"13 Hours 05 Mins 51 Secs","moonriseLocal":"20:08","moonsetLocal":"08:45","rahuKala":{"name":"Rāhu Kāla","start":"15:52","end":"17:14","startHours":15.865726348383543,"endHours":17.228532344834846,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:47","end":"13:08","startHours":11.777308359029629,"endHours":13.140114355480932,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:30","end":"15:52","startHours":14.502920351932236,"endHours":15.865726348383543,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:14","startHours":8.869988899933512,"endHours":9.233403832320526,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:47","end":"07:04","startHours":6.780353038708179,"endHours":7.071084984617791,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:25","end":"12:08","startHours":11.413893426642614,"endHours":12.140723291416643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:36","startHours":4.872424643676352,"endHours":5.5992545084503815,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:20","startHours":5.417547042256874,"endHours":6.32608437322441,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:36","end":"14:19","startHours":13.594383020964699,"endHours":14.321212885738728,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.028532344834847,"endHours":17.428532344834846,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:41","startHours":17.228532344834846,"endHours":17.682801010318613,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.978532344834846,"endHours":18.728532344834846,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:25","end":"00:08","startHours":23.413893426642613,"endHours":24.140723291416645,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:20","end":"07:41","startHours":6.32608437322441,"endHours":7.688890369675715,"quality":"inauspicious"},{"name":"Chala","start":"07:41","end":"09:03","startHours":7.688890369675715,"endHours":9.051696366127018,"quality":"neutral"},{"name":"Labha","start":"09:03","end":"10:25","startHours":9.051696366127018,"endHours":10.414502362578324,"quality":"auspicious"},{"name":"Amṛta","start":"10:25","end":"11:47","startHours":10.414502362578324,"endHours":11.777308359029629,"quality":"auspicious"},{"name":"Kāla","start":"11:47","end":"13:08","startHours":11.777308359029629,"endHours":13.140114355480932,"quality":"inauspicious"},{"name":"Śubha","start":"13:08","end":"14:30","startHours":13.140114355480932,"endHours":14.502920351932236,"quality":"auspicious"},{"name":"Roga","start":"14:30","end":"15:52","startHours":14.502920351932236,"endHours":15.865726348383543,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:14","startHours":15.865726348383543,"endHours":17.228532344834846,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:14","end":"18:52","startHours":17.228532344834846,"endHours":18.865726348383543,"quality":"auspicious"},{"name":"Roga","start":"18:52","end":"20:30","startHours":18.865726348383543,"endHours":20.50292035193224,"quality":"inauspicious"},{"name":"Udveg","start":"20:30","end":"22:08","startHours":20.50292035193224,"endHours":22.140114355480932,"quality":"inauspicious"},{"name":"Chala","start":"22:08","end":"23:47","startHours":22.140114355480932,"endHours":23.77730835902963,"quality":"neutral"},{"name":"Labha","start":"23:47","end":"01:25","startHours":23.77730835902963,"endHours":25.414502362578325,"quality":"auspicious"},{"name":"Amṛta","start":"01:25","end":"03:03","startHours":25.414502362578325,"endHours":27.051696366127018,"quality":"auspicious"},{"name":"Kāla","start":"03:03","end":"04:41","startHours":27.051696366127018,"endHours":28.688890369675715,"quality":"inauspicious"},{"name":"Śubha","start":"04:41","end":"06:20","startHours":28.688890369675715,"endHours":30.32608437322441,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:20","end":"07:20","startHours":6.32608437322441,"endHours":7.32608437322441,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:20","end":"08:20","startHours":7.32608437322441,"endHours":8.326084373224411,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:20","end":"09:20","startHours":8.326084373224411,"endHours":9.326084373224411,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:20","end":"10:20","startHours":9.326084373224411,"endHours":10.326084373224411,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:20","end":"11:20","startHours":10.326084373224411,"endHours":11.326084373224411,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:20","end":"12:20","startHours":11.326084373224411,"endHours":12.326084373224411,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:20","end":"13:20","startHours":12.326084373224411,"endHours":13.326084373224411,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:20","end":"14:20","startHours":13.326084373224411,"endHours":14.326084373224411,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:20","end":"15:20","startHours":14.326084373224411,"endHours":15.326084373224411,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:20","end":"16:20","startHours":15.326084373224411,"endHours":16.32608437322441,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:20","end":"17:20","startHours":16.32608437322441,"endHours":17.32608437322441,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:20","end":"18:20","startHours":17.32608437322441,"endHours":18.32608437322441,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:20","end":"19:20","startHours":18.32608437322441,"endHours":19.32608437322441,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:20","end":"20:20","startHours":19.32608437322441,"endHours":20.32608437322441,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:20","end":"21:20","startHours":20.32608437322441,"endHours":21.32608437322441,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:20","end":"22:20","startHours":21.32608437322441,"endHours":22.32608437322441,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:20","end":"23:20","startHours":22.32608437322441,"endHours":23.32608437322441,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:20","end":"00:20","startHours":23.32608437322441,"endHours":24.32608437322441,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:20","end":"01:20","startHours":24.32608437322441,"endHours":25.32608437322441,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:20","end":"02:20","startHours":25.32608437322441,"endHours":26.32608437322441,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:20","end":"03:20","startHours":26.32608437322441,"endHours":27.32608437322441,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:20","end":"04:20","startHours":27.32608437322441,"endHours":28.32608437322441,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:20","end":"05:20","startHours":28.32608437322441,"endHours":29.32608437322441,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:20","end":"06:20","startHours":29.32608437322441,"endHours":30.32608437322441,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","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":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.03508204613302,"eotMinutes":-9.692901541777706,"ayanamsa":26.368}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"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":"Dhanus (Mārgaḻi)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Caturthī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 16, 2180 CE · Howrah, West Bengal · Vidhyamitra","description":"January 16, 2180 CE for Howrah, West Bengal: Kṛṣṇa Caturthī, sūryodaya 06:20, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2180-01-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2180-01-16","sa":"https://sa.vidhyamitra.com/city/howrah/2180-01-16","hi":"https://hi.vidhyamitra.com/city/howrah/2180-01-16","x-default":"https://vidhyamitra.com/city/howrah/2180-01-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T17:17:03.923Z","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":"2026-06-03T17:17:03.923Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T17:17:03.923Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}