{"id":"vidhyamitra:city-day:mathura:1663-12-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1663-12-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1663-12-23","date_display":"December 23, 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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328814.770833,"kali_year":4765,"ahargana":1740349.2708,"sun":{"sidereal_longitude":252.6828,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":178.4118,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.729,"elapsed_within_tithi_degrees":9.729},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.4118,"elapsed_within_degrees":5.0785},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.0946},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2328814.770833,"ahargana":1740349.2708,"kali_year":4765,"ayanamsa_lahiri":19.159,"grahas":{"sun":{"sidereal_longitude":252.16230700000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":180.92740700000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":3.4704},"mars":{"sidereal_longitude":138.72200699999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":239.08290699999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":252.97070699999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"venus":{"sidereal_longitude":223.440107,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":246.05140699999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":127.9205,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":307.9205,"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":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2328814.770833,"kali_year":4765,"ahargana":1740349.2708,"sun":{"sidereal_longitude":252.6828,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":178.4118,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.729,"elapsed_within_tithi_degrees":9.729},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":178.4118,"elapsed_within_degrees":5.0785},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":71.0946},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.47,"elongation":74.271},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.47,"opposition_distance":105.729}},"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":"07:07","sunsetLocal":"17:31","solarNoonLocal":"12:19","dayLengthHours":10.401985897089066,"dayLengthDisplay":"10 Hours 24 Mins 07 Secs","nightLengthDisplay":"13 Hours 35 Mins 53 Secs","moonriseLocal":"01:48","moonsetLocal":"13:20","rahuKala":{"name":"Rāhu Kāla","start":"16:13","end":"17:31","startHours":16.215106516546616,"endHours":17.515354753682747,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:19","end":"13:37","startHours":12.314361805138216,"endHours":13.614610042274347,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:55","end":"16:13","startHours":14.914858279410481,"endHours":16.215106516546616,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:32","end":"09:53","startHours":9.540498899247797,"endHours":9.887231762484099,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:49","startHours":7.546784935639059,"endHours":7.824171226228101,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:40","startHours":11.967628941901912,"endHours":12.661094668374515,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:44","end":"06:25","startHours":5.726437403648473,"endHours":6.419903130121077,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:07","startHours":6.2465366985029265,"endHours":7.113368856593682,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:03","end":"14:44","startHours":14.048026121319726,"endHours":14.74149184779233,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.315354753682747,"endHours":17.715354753682746,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:57","startHours":17.515354753682747,"endHours":17.948770832728126,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.265354753682747,"endHours":19.015354753682747,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:40","startHours":23.96762894190191,"endHours":24.661094668374513,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:07","end":"08:25","startHours":7.113368856593682,"endHours":8.413617093729815,"quality":"inauspicious"},{"name":"Chala","start":"08:25","end":"09:43","startHours":8.413617093729815,"endHours":9.713865330865948,"quality":"neutral"},{"name":"Labha","start":"09:43","end":"11:01","startHours":9.713865330865948,"endHours":11.014113568002081,"quality":"auspicious"},{"name":"Amṛta","start":"11:01","end":"12:19","startHours":11.014113568002081,"endHours":12.314361805138216,"quality":"auspicious"},{"name":"Kāla","start":"12:19","end":"13:37","startHours":12.314361805138216,"endHours":13.614610042274347,"quality":"inauspicious"},{"name":"Śubha","start":"13:37","end":"14:55","startHours":13.614610042274347,"endHours":14.914858279410481,"quality":"auspicious"},{"name":"Roga","start":"14:55","end":"16:13","startHours":14.914858279410481,"endHours":16.215106516546616,"quality":"inauspicious"},{"name":"Udveg","start":"16:13","end":"17:31","startHours":16.215106516546616,"endHours":17.515354753682747,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:31","end":"19:13","startHours":17.515354753682747,"endHours":19.215106516546612,"quality":"auspicious"},{"name":"Roga","start":"19:13","end":"20:55","startHours":19.215106516546612,"endHours":20.91485827941048,"quality":"inauspicious"},{"name":"Udveg","start":"20:55","end":"22:37","startHours":20.91485827941048,"endHours":22.614610042274347,"quality":"inauspicious"},{"name":"Chala","start":"22:37","end":"00:19","startHours":22.614610042274347,"endHours":24.314361805138212,"quality":"neutral"},{"name":"Labha","start":"00:19","end":"02:01","startHours":24.314361805138212,"endHours":26.01411356800208,"quality":"auspicious"},{"name":"Amṛta","start":"02:01","end":"03:43","startHours":26.01411356800208,"endHours":27.713865330865946,"quality":"auspicious"},{"name":"Kāla","start":"03:43","end":"05:25","startHours":27.713865330865946,"endHours":29.413617093729812,"quality":"inauspicious"},{"name":"Śubha","start":"05:25","end":"07:07","startHours":29.413617093729812,"endHours":31.11336885659368,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:07","end":"08:07","startHours":7.113368856593682,"endHours":8.11336885659368,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:07","end":"09:07","startHours":8.11336885659368,"endHours":9.11336885659368,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:07","end":"10:07","startHours":9.11336885659368,"endHours":10.11336885659368,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:07","end":"11:07","startHours":10.11336885659368,"endHours":11.11336885659368,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:07","end":"12:07","startHours":11.11336885659368,"endHours":12.11336885659368,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:07","end":"13:07","startHours":12.11336885659368,"endHours":13.11336885659368,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:07","end":"14:07","startHours":13.11336885659368,"endHours":14.11336885659368,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:07","end":"15:07","startHours":14.11336885659368,"endHours":15.11336885659368,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:07","end":"16:07","startHours":15.11336885659368,"endHours":16.11336885659368,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:07","end":"17:07","startHours":16.11336885659368,"endHours":17.11336885659368,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:07","end":"18:07","startHours":17.11336885659368,"endHours":18.11336885659368,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:07","end":"19:07","startHours":18.11336885659368,"endHours":19.11336885659368,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:07","end":"20:07","startHours":19.11336885659368,"endHours":20.11336885659368,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:07","end":"21:07","startHours":20.11336885659368,"endHours":21.11336885659368,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:07","end":"22:07","startHours":21.11336885659368,"endHours":22.11336885659368,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:07","end":"23:07","startHours":22.11336885659368,"endHours":23.11336885659368,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:07","end":"00:07","startHours":23.11336885659368,"endHours":24.11336885659368,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:07","end":"01:07","startHours":24.11336885659368,"endHours":25.11336885659368,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:07","end":"02:07","startHours":25.11336885659368,"endHours":26.11336885659368,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:07","end":"03:07","startHours":26.11336885659368,"endHours":27.11336885659368,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:07","end":"04:07","startHours":27.11336885659368,"endHours":28.11336885659368,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:07","end":"05:07","startHours":28.11336885659368,"endHours":29.11336885659368,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:07","end":"06:07","startHours":29.11336885659368,"endHours":30.11336885659368,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:07","end":"07:07","startHours":30.11336885659368,"endHours":31.11336885659368,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"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":-23.429895970091682,"eotMinutes":0.4434916917071845,"ayanamsa":19.159}},"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 Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Navamī · Vikram 1720 Nala · Śaka 1585 Śobhana"},"festivals":[],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[]},"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 23, 1663 CE · Mathurā · Vidhyamitra","description":"December 23, 1663 CE for Mathurā: Kṛṣṇa Navamī, sūryodaya 07:07, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1663-12-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1663-12-23","sa":"https://sa.vidhyamitra.com/city/mathura/1663-12-23","hi":"https://hi.vidhyamitra.com/city/mathura/1663-12-23","x-default":"https://vidhyamitra.com/city/mathura/1663-12-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T22:11:21.639Z","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":"2026-06-04T22:11:21.639Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T22:11:21.639Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}