{"id":"vidhyamitra:city-day:mathura:1663-12-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1663-12-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-12-08","date_display":"December 8, 1663 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":1663,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328799.770833,"kali_year":4765,"ahargana":1740334.2708,"sun":{"sidereal_longitude":237.2774,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":332.9518,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.6744,"elapsed_within_tithi_degrees":11.6744},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.9518,"elapsed_within_degrees":12.9518},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.2292},"karana":{"half_tithi_index":15,"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":1663,"month":12,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328799.770833,"ahargana":1740334.2708,"kali_year":4765,"ayanamsa_lahiri":19.1585,"grahas":{"sun":{"sidereal_longitude":236.88528099999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":328.65528100000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":-1.8457},"mars":{"sidereal_longitude":135.51938099999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":220.40698099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":249.530981,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":224.85458100000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":244.28968099999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":128.7153,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":308.7153,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":1663,"month":12,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328799.770833,"kali_year":4765,"ahargana":1740334.2708,"sun":{"sidereal_longitude":237.2774,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":332.9518,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":95.6744,"elapsed_within_tithi_degrees":11.6744},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.9518,"elapsed_within_degrees":12.9518},"yoga":{"number":16,"name":"Siddhi","sum_longitude":210.2292},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.846,"elongation":95.674},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.846,"opposition_distance":84.326}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:58","sunsetLocal":"17:26","solarNoonLocal":"12:12","dayLengthHours":10.461907052714189,"dayLengthDisplay":"10 Hours 27 Mins 43 Secs","nightLengthDisplay":"13 Hours 32 Mins 17 Secs","moonriseLocal":"12:26","moonsetLocal":"00:12","rahuKala":{"name":"Rāhu Kāla","start":"09:35","end":"10:54","startHours":9.58463948504922,"endHours":10.892377866638494,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:30","end":"14:49","startHours":13.507854629817041,"endHours":14.815593011406314,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:58","end":"08:17","startHours":6.969162721870673,"endHours":8.276901103459947,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.410274367503984,"endHours":9.759004602594457,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:24","end":"07:41","startHours":7.405075515733764,"endHours":7.684059703806143,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:33","startHours":11.851386013137295,"endHours":12.548846483318242,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:34","end":"06:16","startHours":5.574241781508782,"endHours":6.271702251689727,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:06","end":"06:58","startHours":6.097337134144491,"endHours":6.969162721870673,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:38","startHours":13.943767423680132,"endHours":14.641227893861078,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.231069774584864,"endHours":17.631069774584862,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.431069774584863,"endHours":17.866982568447956,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.181069774584863,"endHours":18.931069774584863,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:33","startHours":23.851386013137297,"endHours":24.54884648331824,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:58","end":"08:17","startHours":6.969162721870673,"endHours":8.276901103459947,"quality":"inauspicious"},{"name":"Śubha","start":"08:17","end":"09:35","startHours":8.276901103459947,"endHours":9.58463948504922,"quality":"auspicious"},{"name":"Roga","start":"09:35","end":"10:54","startHours":9.58463948504922,"endHours":10.892377866638494,"quality":"inauspicious"},{"name":"Udveg","start":"10:54","end":"12:12","startHours":10.892377866638494,"endHours":12.200116248227769,"quality":"inauspicious"},{"name":"Chala","start":"12:12","end":"13:30","startHours":12.200116248227769,"endHours":13.507854629817041,"quality":"neutral"},{"name":"Labha","start":"13:30","end":"14:49","startHours":13.507854629817041,"endHours":14.815593011406314,"quality":"auspicious"},{"name":"Amṛta","start":"14:49","end":"16:07","startHours":14.815593011406314,"endHours":16.12333139299559,"quality":"auspicious"},{"name":"Kāla","start":"16:07","end":"17:26","startHours":16.12333139299559,"endHours":17.431069774584863,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:26","end":"19:07","startHours":17.431069774584863,"endHours":19.12333139299559,"quality":"auspicious"},{"name":"Amṛta","start":"19:07","end":"20:49","startHours":19.12333139299559,"endHours":20.815593011406314,"quality":"auspicious"},{"name":"Kāla","start":"20:49","end":"22:30","startHours":20.815593011406314,"endHours":22.507854629817043,"quality":"inauspicious"},{"name":"Śubha","start":"22:30","end":"00:12","startHours":22.507854629817043,"endHours":24.20011624822777,"quality":"auspicious"},{"name":"Roga","start":"00:12","end":"01:54","startHours":24.20011624822777,"endHours":25.892377866638494,"quality":"inauspicious"},{"name":"Udveg","start":"01:54","end":"03:35","startHours":25.892377866638494,"endHours":27.584639485049223,"quality":"inauspicious"},{"name":"Chala","start":"03:35","end":"05:17","startHours":27.584639485049223,"endHours":29.27690110345995,"quality":"neutral"},{"name":"Labha","start":"05:17","end":"06:58","startHours":29.27690110345995,"endHours":30.969162721870674,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:58","end":"07:58","startHours":6.969162721870673,"endHours":7.969162721870673,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:58","end":"08:58","startHours":7.969162721870673,"endHours":8.969162721870674,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:58","end":"09:58","startHours":8.969162721870674,"endHours":9.969162721870674,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:58","end":"10:58","startHours":9.969162721870674,"endHours":10.969162721870674,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:58","end":"11:58","startHours":10.969162721870674,"endHours":11.969162721870674,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:58","end":"12:58","startHours":11.969162721870674,"endHours":12.969162721870674,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:58","end":"13:58","startHours":12.969162721870674,"endHours":13.969162721870674,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:58","end":"14:58","startHours":13.969162721870674,"endHours":14.969162721870674,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:58","end":"15:58","startHours":14.969162721870674,"endHours":15.969162721870674,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:58","end":"16:58","startHours":15.969162721870674,"endHours":16.969162721870674,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:58","end":"17:58","startHours":16.969162721870674,"endHours":17.969162721870674,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:58","end":"18:58","startHours":17.969162721870674,"endHours":18.969162721870674,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:58","end":"19:58","startHours":18.969162721870674,"endHours":19.969162721870674,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:58","end":"20:58","startHours":19.969162721870674,"endHours":20.969162721870674,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:58","end":"21:58","startHours":20.969162721870674,"endHours":21.969162721870674,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:58","end":"22:58","startHours":21.969162721870674,"endHours":22.969162721870674,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:58","end":"23:58","startHours":22.969162721870674,"endHours":23.969162721870674,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:58","end":"00:58","startHours":23.969162721870674,"endHours":24.969162721870674,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:58","end":"01:58","startHours":24.969162721870674,"endHours":25.969162721870674,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:58","end":"02:58","startHours":25.969162721870674,"endHours":26.969162721870674,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:58","end":"03:58","startHours":26.969162721870674,"endHours":27.969162721870674,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:58","end":"04:58","startHours":27.969162721870674,"endHours":28.969162721870674,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:58","end":"05:58","startHours":28.969162721870674,"endHours":29.969162721870674,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:58","end":"06:58","startHours":29.969162721870674,"endHours":30.969162721870674,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Amṛta","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":-22.705308752036334,"eotMinutes":7.298225106333945,"ayanamsa":19.1585}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"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 Aṣṭamī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"mathura"},"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, 1663 CE · Mathurā · Vidhyamitra","description":"December 8, 1663 CE for Mathurā: Śukla Aṣṭamī, sūryodaya 06:58, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1663-12-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1663-12-08","sa":"https://sa.vidhyamitra.com/city/mathura/1663-12-08","hi":"https://hi.vidhyamitra.com/city/mathura/1663-12-08","x-default":"https://vidhyamitra.com/city/mathura/1663-12-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T00:29:20.886Z","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":"2026-06-05T00:29:20.886Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T00:29:20.886Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}