{"id":"vidhyamitra:city-day:howrah:2026-12-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2026-12-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-12-19","date_display":"December 19, 2026 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":2026,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461393.770833,"kali_year":5128,"ahargana":1872928.2708,"sun":{"sidereal_longitude":242.4814,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":357.4489,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":114.9674,"elapsed_within_tithi_degrees":6.9674},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.4489,"elapsed_within_degrees":10.7822},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.9303},"karana":{"half_tithi_index":19,"name":"Gara"},"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":2026,"month":12,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461393.770833,"ahargana":1872928.2708,"kali_year":5128,"ayanamsa_lahiri":24.2297,"grahas":{"sun":{"sidereal_longitude":242.89961500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":354.572015,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":3.6486},"mars":{"sidereal_longitude":132.91441500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":234.848115,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":122.51371499999999,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":196.63451499999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":343.816915,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":303.247,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":123.247,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2026,"month":12,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461393.770833,"kali_year":5128,"ahargana":1872928.2708,"sun":{"sidereal_longitude":242.4814,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":357.4489,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":114.9674,"elapsed_within_tithi_degrees":6.9674},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.4489,"elapsed_within_degrees":10.7822},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.9303},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.649,"elongation":114.967},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.649,"opposition_distance":65.033}},"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":"06:12","sunsetLocal":"16:57","solarNoonLocal":"11:35","dayLengthHours":10.749331442183507,"dayLengthDisplay":"10 Hours 44 Mins 58 Secs","nightLengthDisplay":"13 Hours 15 Mins 02 Secs","moonriseLocal":"12:46","moonsetLocal":"01:16","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:14","startHours":8.88975330005198,"endHours":10.233419730324918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:55","end":"14:16","startHours":12.920752590870794,"endHours":14.264419021143734,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:12","end":"07:33","startHours":6.2024204395061036,"endHours":7.546086869779042,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:43","end":"09:04","startHours":8.71059777601559,"endHours":9.068908824088371,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:39","end":"06:56","startHours":6.650309249597083,"endHours":6.9369580880553094,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:13","end":"11:56","startHours":11.218775112525073,"endHours":11.93539720867064,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:29","startHours":4.769176247214969,"endHours":5.485798343360536,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:12","startHours":5.306642819324145,"endHours":6.2024204395061036,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:22","end":"14:05","startHours":13.368641400961774,"endHours":14.085263497107341,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:45","end":"17:09","startHours":16.75175188168961,"endHours":17.15175188168961,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:57","end":"17:24","startHours":16.95175188168961,"endHours":17.39964069178059,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:42","end":"18:27","startHours":16.70175188168961,"endHours":18.45175188168961,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:13","end":"23:56","startHours":23.218775112525073,"endHours":23.935397208670643,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:12","end":"07:33","startHours":6.2024204395061036,"endHours":7.546086869779042,"quality":"inauspicious"},{"name":"Śubha","start":"07:33","end":"08:53","startHours":7.546086869779042,"endHours":8.88975330005198,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:14","startHours":8.88975330005198,"endHours":10.233419730324918,"quality":"inauspicious"},{"name":"Udveg","start":"10:14","end":"11:35","startHours":10.233419730324918,"endHours":11.577086160597858,"quality":"inauspicious"},{"name":"Chala","start":"11:35","end":"12:55","startHours":11.577086160597858,"endHours":12.920752590870794,"quality":"neutral"},{"name":"Labha","start":"12:55","end":"14:16","startHours":12.920752590870794,"endHours":14.264419021143734,"quality":"auspicious"},{"name":"Amṛta","start":"14:16","end":"15:36","startHours":14.264419021143734,"endHours":15.608085451416674,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"16:57","startHours":15.608085451416674,"endHours":16.95175188168961,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:57","end":"18:36","startHours":16.95175188168961,"endHours":18.60808545141667,"quality":"auspicious"},{"name":"Amṛta","start":"18:36","end":"20:16","startHours":18.60808545141667,"endHours":20.264419021143734,"quality":"auspicious"},{"name":"Kāla","start":"20:16","end":"21:55","startHours":20.264419021143734,"endHours":21.920752590870794,"quality":"inauspicious"},{"name":"Śubha","start":"21:55","end":"23:35","startHours":21.920752590870794,"endHours":23.577086160597858,"quality":"auspicious"},{"name":"Roga","start":"23:35","end":"01:14","startHours":23.577086160597858,"endHours":25.23341973032492,"quality":"inauspicious"},{"name":"Udveg","start":"01:14","end":"02:53","startHours":25.23341973032492,"endHours":26.88975330005198,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:33","startHours":26.88975330005198,"endHours":28.54608686977904,"quality":"neutral"},{"name":"Labha","start":"04:33","end":"06:12","startHours":28.54608686977904,"endHours":30.202420439506103,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.2024204395061036,"endHours":7.2024204395061036,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.2024204395061036,"endHours":8.202420439506103,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.202420439506103,"endHours":9.202420439506103,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.202420439506103,"endHours":10.202420439506103,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.202420439506103,"endHours":11.202420439506103,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.202420439506103,"endHours":12.202420439506103,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.202420439506103,"endHours":13.202420439506103,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.202420439506103,"endHours":14.202420439506103,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.202420439506103,"endHours":15.202420439506103,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.202420439506103,"endHours":16.202420439506103,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.202420439506103,"endHours":17.202420439506103,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.202420439506103,"endHours":18.202420439506103,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.202420439506103,"endHours":19.202420439506103,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.202420439506103,"endHours":20.202420439506103,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.202420439506103,"endHours":21.202420439506103,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.202420439506103,"endHours":22.202420439506103,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.202420439506103,"endHours":23.202420439506103,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.202420439506103,"endHours":24.202420439506103,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.202420439506103,"endHours":25.202420439506103,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.202420439506103,"endHours":26.202420439506103,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.202420439506103,"endHours":27.202420439506103,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.202420439506103,"endHours":28.202420439506103,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.202420439506103,"endHours":29.202420439506103,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.202420439506103,"endHours":30.202420439506103,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.405335461017188,"eotMinutes":2.3204303641286352,"ayanamsa":24.2297}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Daśamī · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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 19, 2026 CE · Howrah, West Bengal · Vidhyamitra","description":"December 19, 2026 CE for Howrah, West Bengal: Śukla Daśamī, sūryodaya 06:12, sūryāsta 16:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2026-12-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2026-12-19","sa":"https://sa.vidhyamitra.com/city/howrah/2026-12-19","hi":"https://hi.vidhyamitra.com/city/howrah/2026-12-19","x-default":"https://vidhyamitra.com/city/howrah/2026-12-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:19:38.990Z","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":"2026-05-14T21:19:38.990Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:19:38.990Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}