{"id":"vidhyamitra:city-day:dwarka:1663-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dwarka/1663-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-12-31","date_display":"December 31, 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":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328822.770833,"kali_year":4765,"ahargana":1740357.2708,"sun":{"sidereal_longitude":260.9076,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.0286,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.121,"elapsed_within_tithi_degrees":6.121},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.0286,"elapsed_within_degrees":12.3619},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.9362},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328822.770833,"ahargana":1740357.2708,"kali_year":4765,"ayanamsa_lahiri":19.1593,"grahas":{"sun":{"sidereal_longitude":260.31860200000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":276.928902,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":2.1433},"mars":{"sidereal_longitude":139.49960199999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":250.89590199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":254.80200200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":226.15510199999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":246.97470199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":127.4966,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":307.4966,"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":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328822.770833,"kali_year":4765,"ahargana":1740357.2708,"sun":{"sidereal_longitude":260.9076,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.0286,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":18.121,"elapsed_within_tithi_degrees":6.121},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.0286,"elapsed_within_degrees":12.3619},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":179.9362},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.143,"elongation":18.121},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.143,"opposition_distance":161.879}},"eclipse_window_40days":[]},"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"dwarka","name":"Dvārakā","lat":22.2393,"lon":68.9686,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tirtha"},"sunriseLocal":"07:34","sunsetLocal":"18:21","solarNoonLocal":"12:57","dayLengthHours":10.793193543212993,"dayLengthDisplay":"10 Hours 47 Mins 35 Secs","nightLengthDisplay":"13 Hours 12 Mins 25 Secs","moonriseLocal":"08:37","moonsetLocal":"19:31","rahuKala":{"name":"Rāhu Kāla","start":"08:55","end":"10:15","startHours":8.908916336691885,"endHours":10.258065529593509,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:36","end":"12:57","startHours":11.607214722495133,"endHours":12.956363915396757,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:18","end":"15:39","startHours":14.305513108298381,"endHours":15.654662301200005,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"10:05","end":"10:26","startHours":10.078178970539959,"endHours":10.437952088647059,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"08:01","end":"08:18","startHours":8.009483541424135,"endHours":8.297302035909816,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:36","end":"13:19","startHours":12.596590797289657,"endHours":13.316137033503857,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:07","end":"06:50","startHours":6.1206746713618605,"endHours":6.84022090757606,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:34","startHours":6.66033434852251,"endHours":7.55976714379026,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:45","end":"15:28","startHours":14.755229505932256,"endHours":15.474775742146456,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.152960687003254,"endHours":18.552960687003253,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:48","startHours":18.352960687003254,"endHours":18.80267708463713,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.102960687003254,"endHours":19.852960687003254,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:36","end":"01:19","startHours":24.596590797289657,"endHours":25.316137033503857,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:34","end":"08:55","startHours":7.55976714379026,"endHours":8.908916336691885,"quality":"auspicious"},{"name":"Kāla","start":"08:55","end":"10:15","startHours":8.908916336691885,"endHours":10.258065529593509,"quality":"inauspicious"},{"name":"Śubha","start":"10:15","end":"11:36","startHours":10.258065529593509,"endHours":11.607214722495133,"quality":"auspicious"},{"name":"Roga","start":"11:36","end":"12:57","startHours":11.607214722495133,"endHours":12.956363915396757,"quality":"inauspicious"},{"name":"Udveg","start":"12:57","end":"14:18","startHours":12.956363915396757,"endHours":14.305513108298381,"quality":"inauspicious"},{"name":"Chala","start":"14:18","end":"15:39","startHours":14.305513108298381,"endHours":15.654662301200005,"quality":"neutral"},{"name":"Labha","start":"15:39","end":"17:00","startHours":15.654662301200005,"endHours":17.00381149410163,"quality":"auspicious"},{"name":"Amṛta","start":"17:00","end":"18:21","startHours":17.00381149410163,"endHours":18.352960687003254,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:21","end":"20:00","startHours":18.352960687003254,"endHours":20.00381149410163,"quality":"neutral"},{"name":"Labha","start":"20:00","end":"21:39","startHours":20.00381149410163,"endHours":21.654662301200005,"quality":"auspicious"},{"name":"Amṛta","start":"21:39","end":"23:18","startHours":21.654662301200005,"endHours":23.30551310829838,"quality":"auspicious"},{"name":"Kāla","start":"23:18","end":"00:57","startHours":23.30551310829838,"endHours":24.956363915396757,"quality":"inauspicious"},{"name":"Śubha","start":"00:57","end":"02:36","startHours":24.956363915396757,"endHours":26.607214722495133,"quality":"auspicious"},{"name":"Roga","start":"02:36","end":"04:15","startHours":26.607214722495133,"endHours":28.25806552959351,"quality":"inauspicious"},{"name":"Udveg","start":"04:15","end":"05:55","startHours":28.25806552959351,"endHours":29.908916336691885,"quality":"inauspicious"},{"name":"Chala","start":"05:55","end":"07:34","startHours":29.908916336691885,"endHours":31.55976714379026,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:34","end":"08:34","startHours":7.55976714379026,"endHours":8.55976714379026,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:34","end":"09:34","startHours":8.55976714379026,"endHours":9.55976714379026,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:34","end":"10:34","startHours":9.55976714379026,"endHours":10.55976714379026,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:34","end":"11:34","startHours":10.55976714379026,"endHours":11.55976714379026,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:34","end":"12:34","startHours":11.55976714379026,"endHours":12.55976714379026,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:34","end":"13:34","startHours":12.55976714379026,"endHours":13.55976714379026,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:34","end":"14:34","startHours":13.55976714379026,"endHours":14.55976714379026,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:34","end":"15:34","startHours":14.55976714379026,"endHours":15.55976714379026,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:34","end":"16:34","startHours":15.55976714379026,"endHours":16.55976714379026,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:34","end":"17:34","startHours":16.55976714379026,"endHours":17.55976714379026,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:34","end":"18:34","startHours":17.55976714379026,"endHours":18.55976714379026,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:34","end":"19:34","startHours":18.55976714379026,"endHours":19.55976714379026,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:34","end":"20:34","startHours":19.55976714379026,"endHours":20.55976714379026,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:34","end":"21:34","startHours":20.55976714379026,"endHours":21.55976714379026,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:34","end":"22:34","startHours":21.55976714379026,"endHours":22.55976714379026,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:34","end":"23:34","startHours":22.55976714379026,"endHours":23.55976714379026,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:34","end":"00:34","startHours":23.55976714379026,"endHours":24.55976714379026,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:34","end":"01:34","startHours":24.55976714379026,"endHours":25.55976714379026,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:34","end":"02:34","startHours":25.55976714379026,"endHours":26.55976714379026,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:34","end":"03:34","startHours":26.55976714379026,"endHours":27.55976714379026,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:34","end":"04:34","startHours":27.55976714379026,"endHours":28.55976714379026,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:34","end":"05:34","startHours":28.55976714379026,"endHours":29.55976714379026,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:34","end":"06:34","startHours":29.55976714379026,"endHours":30.55976714379026,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:34","end":"07:34","startHours":30.55976714379026,"endHours":31.55976714379026,"planetary_lord":"Venus"}],"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":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.097880409140984,"eotMinutes":-3.2562349238053434,"ayanamsa":19.1593}},"calendars":{"vikram_samvat":1720,"vikram_samvatsara":"Nala","saka_samvat":1585,"saka_samvatsara":"Śobhana","bengali_samvat":1070,"malayalam_era":839,"nanakshahi_year":194,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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":"Pauṣa Śukla Dvitīyā · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dwarka"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 31, 1663 CE · Dvārakā · Vidhyamitra","description":"December 31, 1663 CE for Dvārakā: Śukla Dvitīyā, sūryodaya 07:34, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dwarka/1663-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dwarka/1663-12-31","sa":"https://sa.vidhyamitra.com/city/dwarka/1663-12-31","hi":"https://hi.vidhyamitra.com/city/dwarka/1663-12-31","x-default":"https://vidhyamitra.com/city/dwarka/1663-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T07:50:40.852Z","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":"2026-06-05T07:50:40.852Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T07:50:40.852Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}