{"id":"vidhyamitra:city-day:thane:1983-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/thane/1983-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-12-08","date_display":"December 8, 1983 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":1983,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445676.770833,"kali_year":5085,"ahargana":1857211.2708,"sun":{"sidereal_longitude":231.3321,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":274.6871,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.3551,"elapsed_within_tithi_degrees":7.3551},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.6871,"elapsed_within_degrees":8.0205},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.0192},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"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":1983,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445676.770833,"ahargana":1857211.2708,"kali_year":5085,"ayanamsa_lahiri":23.6286,"grahas":{"sun":{"sidereal_longitude":231.74162,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":272.49802,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false,"latitude":-2.8105},"mars":{"sidereal_longitude":167.96371999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":251.60532,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":237.75531999999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":188.16571999999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":197.63311999999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":56.0093,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":236.0093,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1983,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445676.770833,"kali_year":5085,"ahargana":1857211.2708,"sun":{"sidereal_longitude":231.3321,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":274.6871,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":43.3551,"elapsed_within_tithi_degrees":7.3551},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.6871,"elapsed_within_degrees":8.0205},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.0192},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.81,"elongation":43.355},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.81,"opposition_distance":136.645}},"eclipse_window_40days":[{"offset_days":12,"type":"lunar","occurs":true,"moon_latitude":0.497,"opposition_distance":1.914}]},"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"thane","name":"Thane, Maharashtra","lat":19.2183,"lon":72.9781,"tz_offset_hours":5.5,"state":"Maharashtra","country":"IN","tier":"tier-1"},"sunriseLocal":"07:00","sunsetLocal":"18:01","solarNoonLocal":"12:31","dayLengthHours":11.014335693728068,"dayLengthDisplay":"11 Hours 00 Mins 52 Secs","nightLengthDisplay":"12 Hours 59 Mins 08 Secs","moonriseLocal":"09:42","moonsetLocal":"20:46","rahuKala":{"name":"Rāhu Kāla","start":"13:53","end":"15:16","startHours":13.889948209943775,"endHours":15.266740171659784,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:00","end":"08:23","startHours":7.005988401363733,"endHours":8.38278036307974,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:46","end":"11:08","startHours":9.75957232479575,"endHours":11.136364286511757,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:35","end":"09:57","startHours":9.576000063233614,"endHours":9.943144586357885,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.464919055269069,"endHours":7.758634673768484,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:53","startHours":12.146011725103499,"endHours":12.880300771352037,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:32","end":"06:16","startHours":5.537410308866657,"endHours":6.271699355115195,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:05","end":"07:00","startHours":6.0881270935530605,"endHours":7.005988401363733,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:05","startHours":14.348878863849112,"endHours":15.08316791009765,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.820324095091802,"endHours":18.2203240950918,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:29","startHours":18.0203240950918,"endHours":18.47925474899714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.7703240950918,"endHours":19.5203240950918,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:53","startHours":24.1460117251035,"endHours":24.880300771352033,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:00","end":"08:23","startHours":7.005988401363733,"endHours":8.38278036307974,"quality":"auspicious"},{"name":"Roga","start":"08:23","end":"09:46","startHours":8.38278036307974,"endHours":9.75957232479575,"quality":"inauspicious"},{"name":"Udveg","start":"09:46","end":"11:08","startHours":9.75957232479575,"endHours":11.136364286511757,"quality":"inauspicious"},{"name":"Chala","start":"11:08","end":"12:31","startHours":11.136364286511757,"endHours":12.513156248227766,"quality":"neutral"},{"name":"Labha","start":"12:31","end":"13:53","startHours":12.513156248227766,"endHours":13.889948209943775,"quality":"auspicious"},{"name":"Amṛta","start":"13:53","end":"15:16","startHours":13.889948209943775,"endHours":15.266740171659784,"quality":"auspicious"},{"name":"Kāla","start":"15:16","end":"16:39","startHours":15.266740171659784,"endHours":16.643532133375793,"quality":"inauspicious"},{"name":"Śubha","start":"16:39","end":"18:01","startHours":16.643532133375793,"endHours":18.0203240950918,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:01","end":"19:39","startHours":18.0203240950918,"endHours":19.643532133375793,"quality":"auspicious"},{"name":"Kāla","start":"19:39","end":"21:16","startHours":19.643532133375793,"endHours":21.266740171659784,"quality":"inauspicious"},{"name":"Śubha","start":"21:16","end":"22:53","startHours":21.266740171659784,"endHours":22.889948209943775,"quality":"auspicious"},{"name":"Roga","start":"22:53","end":"00:31","startHours":22.889948209943775,"endHours":24.513156248227766,"quality":"inauspicious"},{"name":"Udveg","start":"00:31","end":"02:08","startHours":24.513156248227766,"endHours":26.136364286511757,"quality":"inauspicious"},{"name":"Chala","start":"02:08","end":"03:46","startHours":26.136364286511757,"endHours":27.75957232479575,"quality":"neutral"},{"name":"Labha","start":"03:46","end":"05:23","startHours":27.75957232479575,"endHours":29.382780363079743,"quality":"auspicious"},{"name":"Amṛta","start":"05:23","end":"07:00","startHours":29.382780363079743,"endHours":31.005988401363734,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":7.005988401363733,"endHours":8.005988401363734,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":8.005988401363734,"endHours":9.005988401363734,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":9.005988401363734,"endHours":10.005988401363734,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":10.005988401363734,"endHours":11.005988401363734,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":11.005988401363734,"endHours":12.005988401363734,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":12.005988401363734,"endHours":13.005988401363734,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":13.005988401363734,"endHours":14.005988401363734,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":14.005988401363734,"endHours":15.005988401363734,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":15.005988401363734,"endHours":16.005988401363734,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":16.005988401363734,"endHours":17.005988401363734,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":17.005988401363734,"endHours":18.005988401363734,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":18.005988401363734,"endHours":19.005988401363734,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":19.005988401363734,"endHours":20.005988401363734,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":20.005988401363734,"endHours":21.005988401363734,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":21.005988401363734,"endHours":22.005988401363734,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":22.005988401363734,"endHours":23.005988401363734,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":23.005988401363734,"endHours":24.005988401363734,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":24.005988401363734,"endHours":25.005988401363734,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":25.005988401363734,"endHours":26.005988401363734,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":26.005988401363734,"endHours":27.005988401363734,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":27.005988401363734,"endHours":28.005988401363734,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":28.005988401363734,"endHours":29.005988401363734,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":29.005988401363734,"endHours":30.005988401363734,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":30.005988401363734,"endHours":31.005988401363734,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.633633132531056,"eotMinutes":7.298225106333945,"ayanamsa":23.6286}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"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 Caturthī · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"validity":{"eternal":false,"location_specific":"thane"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 8, 1983 CE · Thane, Maharashtra · Vidhyamitra","description":"December 8, 1983 CE for Thane, Maharashtra: Śukla Caturthī, sūryodaya 07:00, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/thane/1983-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/thane/1983-12-08","sa":"https://sa.vidhyamitra.com/city/thane/1983-12-08","hi":"https://hi.vidhyamitra.com/city/thane/1983-12-08","x-default":"https://vidhyamitra.com/city/thane/1983-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:13:44.684Z","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":"2026-06-01T01:13:44.684Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:13:44.684Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}