{"id":"vidhyamitra:city-day:asansol:2015-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/asansol/2015-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2015-12-12","date_display":"December 12, 2015 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2015,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457368.770833,"kali_year":5117,"ahargana":1868903.2708,"sun":{"sidereal_longitude":235.1426,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":241.9372,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.7946,"elapsed_within_tithi_degrees":6.7946},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.9372,"elapsed_within_degrees":1.9372},"yoga":{"number":9,"name":"Śūla","sum_longitude":117.0797},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2015,"month":12,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457368.770833,"ahargana":1868903.2708,"kali_year":5117,"ayanamsa_lahiri":24.0757,"grahas":{"sun":{"sidereal_longitude":235.59669899999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":242.88699900000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false,"latitude":4.4856},"mars":{"sidereal_longitude":172.92499900000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":248.740999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":147.279399,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":193.80189900000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":224.57299899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":156.5109,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":336.5109,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2015,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457368.770833,"kali_year":5117,"ahargana":1868903.2708,"sun":{"sidereal_longitude":235.1426,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":241.9372,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.7946,"elapsed_within_tithi_degrees":6.7946},"nakshatra":{"number":19,"name":"Mūla","pada":1,"moon_longitude":241.9372,"elapsed_within_degrees":1.9372},"yoga":{"number":9,"name":"Śūla","sum_longitude":117.0797},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.486,"elongation":6.795},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.486,"opposition_distance":173.205}},"eclipse_window_40days":[]},"city":{"slug":"asansol","name":"Asansol, West Bengal","lat":23.6739,"lon":86.9524,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"asansol","name":"Asansol, West Bengal","lat":23.6739,"lon":86.9524,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:16","sunsetLocal":"16:58","solarNoonLocal":"11:37","dayLengthHours":10.701429178203455,"dayLengthDisplay":"10 Hours 42 Mins 05 Secs","nightLengthDisplay":"13 Hours 17 Mins 55 Secs","moonriseLocal":"06:47","moonsetLocal":"17:25","rahuKala":{"name":"Rāhu Kāla","start":"08:56","end":"10:16","startHours":8.935457887763917,"endHours":10.273136535039349,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:57","end":"14:17","startHours":12.948493829590213,"endHours":14.286172476865644,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:16","end":"07:36","startHours":6.260100593213054,"endHours":7.597779240488486,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:45","end":"09:07","startHours":8.75710073479386,"endHours":9.113815040733975,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:42","end":"06:59","startHours":6.7059934756381985,"endHours":6.991364920390291,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:15","end":"11:58","startHours":11.254100876374666,"endHours":11.967529488254895,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:33","startHours":4.833243369452593,"endHours":5.546671981332824,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:16","startHours":5.368314828362767,"endHours":6.260100593213054,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:24","end":"14:06","startHours":13.394386712015358,"endHours":14.107815323895588,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:46","end":"17:10","startHours":16.76152977141651,"endHours":17.161529771416507,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"16:58","end":"17:24","startHours":16.961529771416508,"endHours":17.407422653841653,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:43","end":"18:28","startHours":16.711529771416508,"endHours":18.461529771416508,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:15","end":"23:58","startHours":23.254100876374665,"endHours":23.967529488254897,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:16","end":"07:36","startHours":6.260100593213054,"endHours":7.597779240488486,"quality":"inauspicious"},{"name":"Śubha","start":"07:36","end":"08:56","startHours":7.597779240488486,"endHours":8.935457887763917,"quality":"auspicious"},{"name":"Roga","start":"08:56","end":"10:16","startHours":8.935457887763917,"endHours":10.273136535039349,"quality":"inauspicious"},{"name":"Udveg","start":"10:16","end":"11:37","startHours":10.273136535039349,"endHours":11.61081518231478,"quality":"inauspicious"},{"name":"Chala","start":"11:37","end":"12:57","startHours":11.61081518231478,"endHours":12.948493829590213,"quality":"neutral"},{"name":"Labha","start":"12:57","end":"14:17","startHours":12.948493829590213,"endHours":14.286172476865644,"quality":"auspicious"},{"name":"Amṛta","start":"14:17","end":"15:37","startHours":14.286172476865644,"endHours":15.623851124141076,"quality":"auspicious"},{"name":"Kāla","start":"15:37","end":"16:58","startHours":15.623851124141076,"endHours":16.961529771416508,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"16:58","end":"18:37","startHours":16.961529771416508,"endHours":18.623851124141076,"quality":"auspicious"},{"name":"Amṛta","start":"18:37","end":"20:17","startHours":18.623851124141076,"endHours":20.286172476865644,"quality":"auspicious"},{"name":"Kāla","start":"20:17","end":"21:57","startHours":20.286172476865644,"endHours":21.948493829590213,"quality":"inauspicious"},{"name":"Śubha","start":"21:57","end":"23:37","startHours":21.948493829590213,"endHours":23.61081518231478,"quality":"auspicious"},{"name":"Roga","start":"23:37","end":"01:16","startHours":23.61081518231478,"endHours":25.27313653503935,"quality":"inauspicious"},{"name":"Udveg","start":"01:16","end":"02:56","startHours":25.27313653503935,"endHours":26.935457887763917,"quality":"inauspicious"},{"name":"Chala","start":"02:56","end":"04:36","startHours":26.935457887763917,"endHours":28.597779240488485,"quality":"neutral"},{"name":"Labha","start":"04:36","end":"06:16","startHours":28.597779240488485,"endHours":30.260100593213053,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.260100593213054,"endHours":7.260100593213054,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.260100593213054,"endHours":8.260100593213053,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.260100593213053,"endHours":9.260100593213053,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.260100593213053,"endHours":10.260100593213053,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.260100593213053,"endHours":11.260100593213053,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.260100593213053,"endHours":12.260100593213053,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.260100593213053,"endHours":13.260100593213053,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.260100593213053,"endHours":14.260100593213053,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.260100593213053,"endHours":15.260100593213053,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.260100593213053,"endHours":16.260100593213053,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.260100593213053,"endHours":17.260100593213053,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.260100593213053,"endHours":18.260100593213053,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.260100593213053,"endHours":19.260100593213053,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.260100593213053,"endHours":20.260100593213053,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.260100593213053,"endHours":21.260100593213053,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.260100593213053,"endHours":22.260100593213053,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.260100593213053,"endHours":23.260100593213053,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.260100593213053,"endHours":24.260100593213053,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.260100593213053,"endHours":25.260100593213053,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.260100593213053,"endHours":26.260100593213053,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.260100593213053,"endHours":27.260100593213053,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.260100593213053,"endHours":28.260100593213053,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.260100593213053,"endHours":29.260100593213053,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.260100593213053,"endHours":30.260100593213053,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.034710736810734,"eotMinutes":5.541489061113115,"ayanamsa":24.0757}},"calendars":{"vikram_samvat":2072,"vikram_samvatsara":"Kīlaka","saka_samvat":1937,"saka_samvatsara":"Manmatha","bengali_samvat":1422,"malayalam_era":1191,"nanakshahi_year":546,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pratipada · Vikram 2072 Kīlaka · Śaka 1937 Manmatha"},"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":"asansol"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 12, 2015 CE · Asansol, West Bengal · Vidhyamitra","description":"December 12, 2015 CE for Asansol, West Bengal: Śukla Pratipada, sūryodaya 06:16, sūryāsta 16:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/asansol/2015-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/asansol/2015-12-12","sa":"https://sa.vidhyamitra.com/city/asansol/2015-12-12","hi":"https://hi.vidhyamitra.com/city/asansol/2015-12-12","x-default":"https://vidhyamitra.com/city/asansol/2015-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T12:30:37.866Z","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":"2026-08-10T12:30:37.866Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T12:30:37.866Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}