{"id":"vidhyamitra:city-day:howrah:1982-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1982-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-12-18","date_display":"December 18, 1982 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":1982,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445321.770833,"kali_year":5084,"ahargana":1856856.2708,"sun":{"sidereal_longitude":241.8503,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.719,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.8687,"elapsed_within_tithi_degrees":7.8687},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.719,"elapsed_within_degrees":7.0524},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5694},"karana":{"half_tithi_index":5,"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":1982,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445321.770833,"ahargana":1856856.2708,"kali_year":5084,"ayanamsa_lahiri":23.615,"grahas":{"sun":{"sidereal_longitude":242.16988300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":270.87398299999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-1.4563},"mars":{"sidereal_longitude":282.71088299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":257.78748300000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":215.47458299999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":253.16568299999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":187.852983,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":74.819,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":254.819,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1982,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445321.770833,"kali_year":5084,"ahargana":1856856.2708,"sun":{"sidereal_longitude":241.8503,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":273.719,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":31.8687,"elapsed_within_tithi_degrees":7.8687},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":273.719,"elapsed_within_degrees":7.0524},"yoga":{"number":12,"name":"Dhruva","sum_longitude":155.5694},"karana":{"half_tithi_index":5,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.456,"elongation":31.869},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.456,"opposition_distance":148.131}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":1.462,"elongation":2.771}]},"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":"11:34","dayLengthHours":10.75169873188677,"dayLengthDisplay":"10 Hours 45 Mins 06 Secs","nightLengthDisplay":"13 Hours 14 Mins 54 Secs","moonriseLocal":"08:03","moonsetLocal":"18:55","rahuKala":{"name":"Rāhu Kāla","start":"08:53","end":"10:14","startHours":8.881373194559286,"endHours":10.225335536045133,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:55","end":"14:15","startHours":12.913260219016824,"endHours":14.25722256050267,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:12","end":"07:32","startHours":6.193448511587594,"endHours":7.53741085307344,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:42","end":"09:04","startHours":8.702178215694506,"endHours":9.060568173424066,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:38","end":"06:56","startHours":6.641435958749542,"endHours":6.92814792493319,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:13","end":"11:56","startHours":11.21090791980142,"endHours":11.927687835260537,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:29","startHours":4.759888680669357,"endHours":5.476668596128476,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:18","end":"06:12","startHours":5.297473617263696,"endHours":6.193448511587594,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:22","end":"14:05","startHours":13.361247666178773,"endHours":14.07802758163789,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:45","end":"17:09","startHours":16.745147243474364,"endHours":17.145147243474362,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:57","end":"17:24","startHours":16.945147243474363,"endHours":17.393134690636312,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:42","end":"18:27","startHours":16.695147243474363,"endHours":18.445147243474363,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:13","end":"23:56","startHours":23.210907919801418,"endHours":23.92768783526054,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:12","end":"07:32","startHours":6.193448511587594,"endHours":7.53741085307344,"quality":"inauspicious"},{"name":"Śubha","start":"07:32","end":"08:53","startHours":7.53741085307344,"endHours":8.881373194559286,"quality":"auspicious"},{"name":"Roga","start":"08:53","end":"10:14","startHours":8.881373194559286,"endHours":10.225335536045133,"quality":"inauspicious"},{"name":"Udveg","start":"10:14","end":"11:34","startHours":10.225335536045133,"endHours":11.569297877530978,"quality":"inauspicious"},{"name":"Chala","start":"11:34","end":"12:55","startHours":11.569297877530978,"endHours":12.913260219016824,"quality":"neutral"},{"name":"Labha","start":"12:55","end":"14:15","startHours":12.913260219016824,"endHours":14.25722256050267,"quality":"auspicious"},{"name":"Amṛta","start":"14:15","end":"15:36","startHours":14.25722256050267,"endHours":15.601184901988518,"quality":"auspicious"},{"name":"Kāla","start":"15:36","end":"16:57","startHours":15.601184901988518,"endHours":16.945147243474363,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:57","end":"18:36","startHours":16.945147243474363,"endHours":18.601184901988518,"quality":"auspicious"},{"name":"Amṛta","start":"18:36","end":"20:15","startHours":18.601184901988518,"endHours":20.25722256050267,"quality":"auspicious"},{"name":"Kāla","start":"20:15","end":"21:55","startHours":20.25722256050267,"endHours":21.913260219016824,"quality":"inauspicious"},{"name":"Śubha","start":"21:55","end":"23:34","startHours":21.913260219016824,"endHours":23.56929787753098,"quality":"auspicious"},{"name":"Roga","start":"23:34","end":"01:14","startHours":23.56929787753098,"endHours":25.225335536045133,"quality":"inauspicious"},{"name":"Udveg","start":"01:14","end":"02:53","startHours":25.225335536045133,"endHours":26.881373194559288,"quality":"inauspicious"},{"name":"Chala","start":"02:53","end":"04:32","startHours":26.881373194559288,"endHours":28.53741085307344,"quality":"neutral"},{"name":"Labha","start":"04:32","end":"06:12","startHours":28.53741085307344,"endHours":30.193448511587594,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.193448511587594,"endHours":7.193448511587594,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.193448511587594,"endHours":8.193448511587594,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.193448511587594,"endHours":9.193448511587594,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.193448511587594,"endHours":10.193448511587594,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.193448511587594,"endHours":11.193448511587594,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.193448511587594,"endHours":12.193448511587594,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.193448511587594,"endHours":13.193448511587594,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.193448511587594,"endHours":14.193448511587594,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.193448511587594,"endHours":15.193448511587594,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.193448511587594,"endHours":16.193448511587594,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.193448511587594,"endHours":17.193448511587594,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.193448511587594,"endHours":18.193448511587594,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.193448511587594,"endHours":19.193448511587594,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.193448511587594,"endHours":20.193448511587594,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.193448511587594,"endHours":21.193448511587594,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.193448511587594,"endHours":22.193448511587594,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.193448511587594,"endHours":23.193448511587594,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.193448511587594,"endHours":24.193448511587594,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.193448511587594,"endHours":25.193448511587594,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.193448511587594,"endHours":26.193448511587594,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.193448511587594,"endHours":27.193448511587594,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.193448511587594,"endHours":28.193448511587594,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.193448511587594,"endHours":29.193448511587594,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.193448511587594,"endHours":30.193448511587594,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"Mṛtyu","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.369334723471056,"eotMinutes":2.787727348141232,"ayanamsa":23.615}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","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":"Mārgaśīrṣa Śukla Tṛtīyā · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"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 18, 1982 CE · Howrah, West Bengal · Vidhyamitra","description":"December 18, 1982 CE for Howrah, West Bengal: Śukla Tṛtīyā, sūryodaya 06:12, sūryāsta 16:57.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1982-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1982-12-18","sa":"https://sa.vidhyamitra.com/city/howrah/1982-12-18","hi":"https://hi.vidhyamitra.com/city/howrah/1982-12-18","x-default":"https://vidhyamitra.com/city/howrah/1982-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:13:48.658Z","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":"2026-05-31T09:13:48.658Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:13:48.658Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}