{"id":"vidhyamitra:city-day:howrah:1990-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1990-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1990-12-22","date_display":"December 22, 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":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448247.770833,"kali_year":5092,"ahargana":1859782.2708,"sun":{"sidereal_longitude":245.8863,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":302.9533,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.067,"elapsed_within_tithi_degrees":9.067},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.9533,"elapsed_within_degrees":9.6199},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.8395},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2448247.770833,"ahargana":1859782.2708,"kali_year":5092,"ayanamsa_lahiri":23.7269,"grahas":{"sun":{"sidereal_longitude":246.19018900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":299.6412889999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false,"latitude":1.7689},"mars":{"sidereal_longitude":34.944389,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":251.69768899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":108.99368900000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":258.65428900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":270.62758899999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":279.7854,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":99.7854,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":1990,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2448247.770833,"kali_year":5092,"ahargana":1859782.2708,"sun":{"sidereal_longitude":245.8863,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":302.9533,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":57.067,"elapsed_within_tithi_degrees":9.067},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3,"moon_longitude":302.9533,"elapsed_within_degrees":9.6199},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.8395},"karana":{"half_tithi_index":9,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.769,"elongation":57.067},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.769,"opposition_distance":122.933}},"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":"06:14","sunsetLocal":"16:58","solarNoonLocal":"11:36","dayLengthHours":10.747282780721452,"dayLengthDisplay":"10 Hours 44 Mins 50 Secs","nightLengthDisplay":"13 Hours 15 Mins 10 Secs","moonriseLocal":"09:31","moonsetLocal":"20:49","rahuKala":{"name":"Rāhu Kāla","start":"08:55","end":"10:15","startHours":8.91372251982763,"endHours":10.257132867417813,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:57","end":"14:17","startHours":12.943953562598175,"endHours":14.287363910188358,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:14","end":"07:34","startHours":6.226901824647268,"endHours":7.570312172237449,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:44","end":"09:06","startHours":8.73460114014894,"endHours":9.092843899506322,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:40","end":"06:58","startHours":6.674705273843995,"endHours":6.961299481329901,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:15","end":"11:58","startHours":11.242300455650613,"endHours":11.958785974365375,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:48","end":"05:31","startHours":4.79393078721774,"endHours":5.510416305932504,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:20","end":"06:14","startHours":5.331294926253813,"endHours":6.226901824647268,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:24","end":"14:06","startHours":13.391757011794903,"endHours":14.108242530509667,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:46","end":"17:10","startHours":16.77418460536872,"endHours":17.17418460536872,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:58","end":"17:25","startHours":16.97418460536872,"endHours":17.421988054565446,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:43","end":"18:28","startHours":16.72418460536872,"endHours":18.47418460536872,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:15","end":"23:58","startHours":23.242300455650614,"endHours":23.958785974365377,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:14","end":"07:34","startHours":6.226901824647268,"endHours":7.570312172237449,"quality":"inauspicious"},{"name":"Śubha","start":"07:34","end":"08:55","startHours":7.570312172237449,"endHours":8.91372251982763,"quality":"auspicious"},{"name":"Roga","start":"08:55","end":"10:15","startHours":8.91372251982763,"endHours":10.257132867417813,"quality":"inauspicious"},{"name":"Udveg","start":"10:15","end":"11:36","startHours":10.257132867417813,"endHours":11.600543215007994,"quality":"inauspicious"},{"name":"Chala","start":"11:36","end":"12:57","startHours":11.600543215007994,"endHours":12.943953562598175,"quality":"neutral"},{"name":"Labha","start":"12:57","end":"14:17","startHours":12.943953562598175,"endHours":14.287363910188358,"quality":"auspicious"},{"name":"Amṛta","start":"14:17","end":"15:38","startHours":14.287363910188358,"endHours":15.630774257778539,"quality":"auspicious"},{"name":"Kāla","start":"15:38","end":"16:58","startHours":15.630774257778539,"endHours":16.97418460536872,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:58","end":"18:38","startHours":16.97418460536872,"endHours":18.630774257778537,"quality":"auspicious"},{"name":"Amṛta","start":"18:38","end":"20:17","startHours":18.630774257778537,"endHours":20.287363910188358,"quality":"auspicious"},{"name":"Kāla","start":"20:17","end":"21:57","startHours":20.287363910188358,"endHours":21.943953562598175,"quality":"inauspicious"},{"name":"Śubha","start":"21:57","end":"23:36","startHours":21.943953562598175,"endHours":23.600543215007995,"quality":"auspicious"},{"name":"Roga","start":"23:36","end":"01:15","startHours":23.600543215007995,"endHours":25.257132867417813,"quality":"inauspicious"},{"name":"Udveg","start":"01:15","end":"02:55","startHours":25.257132867417813,"endHours":26.91372251982763,"quality":"inauspicious"},{"name":"Chala","start":"02:55","end":"04:34","startHours":26.91372251982763,"endHours":28.57031217223745,"quality":"neutral"},{"name":"Labha","start":"04:34","end":"06:14","startHours":28.57031217223745,"endHours":30.226901824647268,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.226901824647268,"endHours":7.226901824647268,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.226901824647268,"endHours":8.226901824647268,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.226901824647268,"endHours":9.226901824647268,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.226901824647268,"endHours":10.226901824647268,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.226901824647268,"endHours":11.226901824647268,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.226901824647268,"endHours":12.226901824647268,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.226901824647268,"endHours":13.226901824647268,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.226901824647268,"endHours":14.226901824647268,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.226901824647268,"endHours":15.226901824647268,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.226901824647268,"endHours":16.226901824647268,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.226901824647268,"endHours":17.226901824647268,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.226901824647268,"endHours":18.226901824647268,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.226901824647268,"endHours":19.226901824647268,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.226901824647268,"endHours":20.226901824647268,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.226901824647268,"endHours":21.226901824647268,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.226901824647268,"endHours":22.226901824647268,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.226901824647268,"endHours":23.226901824647268,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.226901824647268,"endHours":24.226901824647268,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.226901824647268,"endHours":25.226901824647268,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.226901824647268,"endHours":26.226901824647268,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.226901824647268,"endHours":27.226901824647268,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.226901824647268,"endHours":28.226901824647268,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.226901824647268,"endHours":29.226901824647268,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.226901824647268,"endHours":30.226901824647268,"planetary_lord":"Mercury"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.436473995060734,"eotMinutes":0.9130070995203906,"ayanamsa":23.7269}},"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 Pañcamī · Vikram 2047 Subhānu · Śaka 1912 Pramoda"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 December 22, 1990 CE · Howrah, West Bengal · Vidhyamitra","description":"December 22, 1990 CE for Howrah, West Bengal: Śukla Pañcamī, sūryodaya 06:14, sūryāsta 16:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1990-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1990-12-22","sa":"https://sa.vidhyamitra.com/city/howrah/1990-12-22","hi":"https://hi.vidhyamitra.com/city/howrah/1990-12-22","x-default":"https://vidhyamitra.com/city/howrah/1990-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T15:35:27.817Z","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":"2026-06-02T15:35:27.817Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T15:35:27.817Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}