{"id":"vidhyamitra:city-day:howrah:1990-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1990-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-01-11","date_display":"January 11, 1990 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":1990,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447902.770833,"kali_year":5091,"ahargana":1859437.2708,"sun":{"sidereal_longitude":266.7099,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":86.1624,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.4525,"elapsed_within_tithi_degrees":11.4525},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":86.1624,"elapsed_within_degrees":6.1624},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.8723},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1990,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2447902.770833,"ahargana":1859437.2708,"kali_year":5091,"ayanamsa_lahiri":23.7137,"grahas":{"sun":{"sidereal_longitude":266.8323700000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":84.62077,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":2.3764},"mars":{"sidereal_longitude":233.16417,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":262.31907,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":70.36067000000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":279.49697000000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":262.8432700000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":298.0652,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":118.0652,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1990,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2447902.770833,"kali_year":5091,"ahargana":1859437.2708,"sun":{"sidereal_longitude":266.7099,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":86.1624,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":179.4525,"elapsed_within_tithi_degrees":11.4525},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":86.1624,"elapsed_within_degrees":6.1624},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.8723},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.376,"elongation":179.453},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.376,"opposition_distance":0.547}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":-0.956,"elongation":1.82}]},"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":"17:10","solarNoonLocal":"11:45","dayLengthHours":10.849401081547574,"dayLengthDisplay":"10 Hours 50 Mins 58 Secs","nightLengthDisplay":"13 Hours 09 Mins 02 Secs","moonriseLocal":"16:54","moonsetLocal":"06:18","rahuKala":{"name":"Rāhu Kāla","start":"13:06","end":"14:28","startHours":13.103376839109556,"endHours":14.459551974303002,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:19","end":"07:41","startHours":6.322501163142322,"endHours":7.678676298335769,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:02","end":"10:23","startHours":9.034851433529216,"endHours":10.391026568722662,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:51","end":"09:13","startHours":8.854028082170089,"endHours":9.215674784888343,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:04","startHours":6.774559541540137,"endHours":7.063876903714739,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:23","end":"12:07","startHours":11.385555001197858,"endHours":12.108848406634362,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:36","startHours":4.875914352269312,"endHours":5.599207757705817,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.418384406346691,"endHours":6.322501163142322,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:33","end":"14:17","startHours":13.555435217507371,"endHours":14.278728622943877,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.971902244689897,"endHours":17.371902244689895,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.171902244689896,"endHours":17.62396062308771,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.921902244689896,"endHours":18.671902244689896,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:23","end":"00:07","startHours":23.385555001197858,"endHours":24.108848406634365,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:19","end":"07:41","startHours":6.322501163142322,"endHours":7.678676298335769,"quality":"auspicious"},{"name":"Roga","start":"07:41","end":"09:02","startHours":7.678676298335769,"endHours":9.034851433529216,"quality":"inauspicious"},{"name":"Udveg","start":"09:02","end":"10:23","startHours":9.034851433529216,"endHours":10.391026568722662,"quality":"inauspicious"},{"name":"Chala","start":"10:23","end":"11:45","startHours":10.391026568722662,"endHours":11.747201703916108,"quality":"neutral"},{"name":"Labha","start":"11:45","end":"13:06","startHours":11.747201703916108,"endHours":13.103376839109556,"quality":"auspicious"},{"name":"Amṛta","start":"13:06","end":"14:28","startHours":13.103376839109556,"endHours":14.459551974303002,"quality":"auspicious"},{"name":"Kāla","start":"14:28","end":"15:49","startHours":14.459551974303002,"endHours":15.81572710949645,"quality":"inauspicious"},{"name":"Śubha","start":"15:49","end":"17:10","startHours":15.81572710949645,"endHours":17.171902244689896,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:10","end":"18:49","startHours":17.171902244689896,"endHours":18.81572710949645,"quality":"auspicious"},{"name":"Kāla","start":"18:49","end":"20:28","startHours":18.81572710949645,"endHours":20.459551974303004,"quality":"inauspicious"},{"name":"Śubha","start":"20:28","end":"22:06","startHours":20.459551974303004,"endHours":22.103376839109558,"quality":"auspicious"},{"name":"Roga","start":"22:06","end":"23:45","startHours":22.103376839109558,"endHours":23.747201703916108,"quality":"inauspicious"},{"name":"Udveg","start":"23:45","end":"01:23","startHours":23.747201703916108,"endHours":25.391026568722662,"quality":"inauspicious"},{"name":"Chala","start":"01:23","end":"03:02","startHours":25.391026568722662,"endHours":27.034851433529216,"quality":"neutral"},{"name":"Labha","start":"03:02","end":"04:41","startHours":27.034851433529216,"endHours":28.678676298335766,"quality":"auspicious"},{"name":"Amṛta","start":"04:41","end":"06:19","startHours":28.678676298335766,"endHours":30.32250116314232,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.322501163142322,"endHours":7.322501163142322,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.322501163142322,"endHours":8.322501163142322,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.322501163142322,"endHours":9.322501163142322,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.322501163142322,"endHours":10.322501163142322,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.322501163142322,"endHours":11.322501163142322,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.322501163142322,"endHours":12.322501163142322,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.322501163142322,"endHours":13.322501163142322,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.322501163142322,"endHours":14.322501163142322,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.322501163142322,"endHours":15.322501163142322,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.322501163142322,"endHours":16.32250116314232,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.32250116314232,"endHours":17.32250116314232,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.32250116314232,"endHours":18.32250116314232,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.32250116314232,"endHours":19.32250116314232,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.32250116314232,"endHours":20.32250116314232,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.32250116314232,"endHours":21.32250116314232,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.32250116314232,"endHours":22.32250116314232,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.32250116314232,"endHours":23.32250116314232,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.32250116314232,"endHours":24.32250116314232,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.32250116314232,"endHours":25.32250116314232,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.32250116314232,"endHours":26.32250116314232,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.32250116314232,"endHours":27.32250116314232,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.32250116314232,"endHours":28.32250116314232,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.32250116314232,"endHours":29.32250116314232,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.32250116314232,"endHours":30.32250116314232,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","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":-21.86573381808782,"eotMinutes":-7.886502234966622,"ayanamsa":23.7137}},"calendars":{"vikram_samvat":2047,"vikram_samvatsara":"Subhānu","saka_samvat":1912,"saka_samvatsara":"Pramoda","bengali_samvat":1397,"malayalam_era":1166,"nanakshahi_year":521,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 11, 1990 CE · Howrah, West Bengal · Vidhyamitra","description":"January 11, 1990 CE for Howrah, West Bengal: Śukla Pūrṇimā, sūryodaya 06:19, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1990-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1990-01-11","sa":"https://sa.vidhyamitra.com/city/howrah/1990-01-11","hi":"https://hi.vidhyamitra.com/city/howrah/1990-01-11","x-default":"https://vidhyamitra.com/city/howrah/1990-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:42:14.963Z","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":"2026-06-01T15:42:14.963Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:42:14.963Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}