{"id":"vidhyamitra:city-day:howrah:2012-12-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/2012-12-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-12-06","date_display":"December 6, 2012 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":2012,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456267.770833,"kali_year":5114,"ahargana":1867802.2708,"sun":{"sidereal_longitude":229.7928,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":136.4411,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.6483,"elapsed_within_tithi_degrees":2.6483},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.4411,"elapsed_within_degrees":3.1078},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.2339},"karana":{"half_tithi_index":44,"name":"Bālava"},"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":2012,"month":12,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456267.770833,"ahargana":1867802.2708,"kali_year":5114,"ayanamsa_lahiri":24.0336,"grahas":{"sun":{"sidereal_longitude":230.283366,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":133.045566,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-4.408},"mars":{"sidereal_longitude":260.29406599999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":209.58926599999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":46.46736599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":203.14686600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":192.85006599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":214.8472,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.8472,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":2012,"month":12,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456267.770833,"kali_year":5114,"ahargana":1867802.2708,"sun":{"sidereal_longitude":229.7928,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":136.4411,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":266.6483,"elapsed_within_tithi_degrees":2.6483},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":136.4411,"elapsed_within_degrees":3.1078},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":6.2339},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.408,"elongation":93.352},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.408,"opposition_distance":86.648}},"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":"06:05","sunsetLocal":"16:53","solarNoonLocal":"11:29","dayLengthHours":10.80748575493799,"dayLengthDisplay":"10 Hours 48 Mins 27 Secs","nightLengthDisplay":"13 Hours 11 Mins 33 Secs","moonriseLocal":"22:42","moonsetLocal":"11:17","rahuKala":{"name":"Rāhu Kāla","start":"12:50","end":"14:11","startHours":12.830981061454722,"endHours":14.181916780821972,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:05","end":"07:26","startHours":6.076302464618479,"endHours":7.427238183985727,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:47","end":"10:08","startHours":8.778173903352975,"endHours":10.129109622720225,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"08:57","startHours":8.598049140770677,"endHours":8.958298665935276,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:32","end":"06:49","startHours":6.526614371074229,"endHours":6.8148139912059085,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:07","end":"11:50","startHours":11.119795816922874,"endHours":11.840294867252073,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:38","end":"05:21","startHours":4.63530436396008,"endHours":5.35580341428928,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:11","end":"06:05","startHours":5.1756786517069795,"endHours":6.076302464618479,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:17","end":"14:00","startHours":13.28129296791047,"endHours":14.00179201823967,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:41","end":"17:05","startHours":16.68378821955647,"endHours":17.083788219556467,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:53","end":"17:20","startHours":16.883788219556468,"endHours":17.334100126012217,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:38","end":"18:23","startHours":16.633788219556468,"endHours":18.383788219556468,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:07","end":"23:50","startHours":23.11979581692287,"endHours":23.840294867252073,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:05","end":"07:26","startHours":6.076302464618479,"endHours":7.427238183985727,"quality":"auspicious"},{"name":"Roga","start":"07:26","end":"08:47","startHours":7.427238183985727,"endHours":8.778173903352975,"quality":"inauspicious"},{"name":"Udveg","start":"08:47","end":"10:08","startHours":8.778173903352975,"endHours":10.129109622720225,"quality":"inauspicious"},{"name":"Chala","start":"10:08","end":"11:29","startHours":10.129109622720225,"endHours":11.480045342087474,"quality":"neutral"},{"name":"Labha","start":"11:29","end":"12:50","startHours":11.480045342087474,"endHours":12.830981061454722,"quality":"auspicious"},{"name":"Amṛta","start":"12:50","end":"14:11","startHours":12.830981061454722,"endHours":14.181916780821972,"quality":"auspicious"},{"name":"Kāla","start":"14:11","end":"15:32","startHours":14.181916780821972,"endHours":15.53285250018922,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"16:53","startHours":15.53285250018922,"endHours":16.883788219556468,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"16:53","end":"18:32","startHours":16.883788219556468,"endHours":18.532852500189218,"quality":"auspicious"},{"name":"Kāla","start":"18:32","end":"20:11","startHours":18.532852500189218,"endHours":20.18191678082197,"quality":"inauspicious"},{"name":"Śubha","start":"20:11","end":"21:50","startHours":20.18191678082197,"endHours":21.83098106145472,"quality":"auspicious"},{"name":"Roga","start":"21:50","end":"23:29","startHours":21.83098106145472,"endHours":23.48004534208747,"quality":"inauspicious"},{"name":"Udveg","start":"23:29","end":"01:08","startHours":23.48004534208747,"endHours":25.129109622720225,"quality":"inauspicious"},{"name":"Chala","start":"01:08","end":"02:47","startHours":25.129109622720225,"endHours":26.778173903352975,"quality":"neutral"},{"name":"Labha","start":"02:47","end":"04:26","startHours":26.778173903352975,"endHours":28.42723818398573,"quality":"auspicious"},{"name":"Amṛta","start":"04:26","end":"06:05","startHours":28.42723818398573,"endHours":30.07630246461848,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.076302464618479,"endHours":7.076302464618479,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.076302464618479,"endHours":8.076302464618479,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.076302464618479,"endHours":9.076302464618479,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.076302464618479,"endHours":10.076302464618479,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.076302464618479,"endHours":11.076302464618479,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.076302464618479,"endHours":12.076302464618479,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.076302464618479,"endHours":13.076302464618479,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.076302464618479,"endHours":14.076302464618479,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.076302464618479,"endHours":15.076302464618479,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.076302464618479,"endHours":16.07630246461848,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.07630246461848,"endHours":17.07630246461848,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.07630246461848,"endHours":18.07630246461848,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.07630246461848,"endHours":19.07630246461848,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.07630246461848,"endHours":20.07630246461848,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.07630246461848,"endHours":21.07630246461848,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.07630246461848,"endHours":22.07630246461848,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.07630246461848,"endHours":23.07630246461848,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.07630246461848,"endHours":24.07630246461848,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.07630246461848,"endHours":25.07630246461848,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.07630246461848,"endHours":26.07630246461848,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.07630246461848,"endHours":27.07630246461848,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.07630246461848,"endHours":28.07630246461848,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.07630246461848,"endHours":29.07630246461848,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.07630246461848,"endHours":30.07630246461848,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.515019853798645,"eotMinutes":8.142879474751563,"ayanamsa":24.0336}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Aṣṭamī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"kalabhairava-ashtami","name":"Kālabhairava Aṣṭamī","name_sanskrit":"कालभैरव अष्टमी","tradition":"Shaiva","associated_deity":"Kālabhairava (fierce Śiva)","significance":"Kālabhairava's manifestation; Kāśī-kṣetrapāla.","vrata":true,"detection":{"tithi_number":23,"tithi_paksha":"Kṛṣṇa","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"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":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","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 December 6, 2012 CE · Howrah, West Bengal · Vidhyamitra","description":"December 6, 2012 CE for Howrah, West Bengal: Kṛṣṇa Aṣṭamī, sūryodaya 06:05, sūryāsta 16:53.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/2012-12-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/2012-12-06","sa":"https://sa.vidhyamitra.com/city/howrah/2012-12-06","hi":"https://hi.vidhyamitra.com/city/howrah/2012-12-06","x-default":"https://vidhyamitra.com/city/howrah/2012-12-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-16T08:19:57.147Z","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":"2026-05-16T08:19:57.147Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-16T08:19:57.147Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}