{"id":"vidhyamitra:city-day:vrindavan:1963-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1963-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-12-12","date_display":"December 12, 1963 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":1963,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438375.770833,"kali_year":5065,"ahargana":1849910.2708,"sun":{"sidereal_longitude":235.6093,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":189.6599,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.0506,"elapsed_within_tithi_degrees":2.0506},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.6599,"elapsed_within_degrees":2.9932},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.2692},"karana":{"half_tithi_index":52,"name":"Kaulava"},"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":1963,"month":12,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438375.770833,"ahargana":1849910.2708,"kali_year":5065,"ayanamsa_lahiri":23.3493,"grahas":{"sun":{"sidereal_longitude":235.936372,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":192.14677200000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false,"latitude":4.3074},"mars":{"sidereal_longitude":252.21667200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":255.52797199999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":346.968072,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":262.60197199999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":295.935872,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":82.8515,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.8515,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":1963,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438375.770833,"kali_year":5065,"ahargana":1849910.2708,"sun":{"sidereal_longitude":235.6093,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":189.6599,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":27,"name":"Dvādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvādaśī","elongation_degrees":314.0506,"elapsed_within_tithi_degrees":2.0506},"nakshatra":{"number":15,"name":"Svātī","pada":1,"moon_longitude":189.6599,"elapsed_within_degrees":2.9932},"yoga":{"number":5,"name":"Śobhana","sum_longitude":65.2692},"karana":{"half_tithi_index":52,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.307,"elongation":45.949},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.307,"opposition_distance":134.051}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:01","sunsetLocal":"17:27","solarNoonLocal":"12:14","dayLengthHours":10.432031227969667,"dayLengthDisplay":"10 Hours 25 Mins 55 Secs","nightLengthDisplay":"13 Hours 34 Mins 05 Secs","moonriseLocal":"03:44","moonsetLocal":"14:53","rahuKala":{"name":"Rāhu Kāla","start":"13:32","end":"14:50","startHours":13.53435908581099,"endHours":14.8383629893072,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:01","end":"08:19","startHours":7.014339568329949,"endHours":8.318343471826157,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:37","end":"10:56","startHours":9.622347375322367,"endHours":10.926351278818574,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:48","startHours":9.448480188189539,"endHours":9.796214562455194,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:27","end":"07:44","startHours":7.449007536162019,"endHours":7.727195035574543,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:35","startHours":11.882620808049126,"endHours":12.578089556580437,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:37","end":"06:19","startHours":5.623402071267327,"endHours":6.318870819798638,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:01","startHours":6.14500363266581,"endHours":7.014339568329949,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:58","end":"14:40","startHours":13.96902705364306,"endHours":14.664495802174372,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.246370796299615,"endHours":17.646370796299614,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.446370796299615,"endHours":17.881038764131684,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.196370796299615,"endHours":18.946370796299615,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:35","startHours":23.882620808049126,"endHours":24.578089556580437,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:01","end":"08:19","startHours":7.014339568329949,"endHours":8.318343471826157,"quality":"auspicious"},{"name":"Roga","start":"08:19","end":"09:37","startHours":8.318343471826157,"endHours":9.622347375322367,"quality":"inauspicious"},{"name":"Udveg","start":"09:37","end":"10:56","startHours":9.622347375322367,"endHours":10.926351278818574,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:14","startHours":10.926351278818574,"endHours":12.230355182314781,"quality":"neutral"},{"name":"Labha","start":"12:14","end":"13:32","startHours":12.230355182314781,"endHours":13.53435908581099,"quality":"auspicious"},{"name":"Amṛta","start":"13:32","end":"14:50","startHours":13.53435908581099,"endHours":14.8383629893072,"quality":"auspicious"},{"name":"Kāla","start":"14:50","end":"16:09","startHours":14.8383629893072,"endHours":16.142366892803405,"quality":"inauspicious"},{"name":"Śubha","start":"16:09","end":"17:27","startHours":16.142366892803405,"endHours":17.446370796299615,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:27","end":"19:09","startHours":17.446370796299615,"endHours":19.142366892803405,"quality":"auspicious"},{"name":"Kāla","start":"19:09","end":"20:50","startHours":19.142366892803405,"endHours":20.8383629893072,"quality":"inauspicious"},{"name":"Śubha","start":"20:50","end":"22:32","startHours":20.8383629893072,"endHours":22.53435908581099,"quality":"auspicious"},{"name":"Roga","start":"22:32","end":"00:14","startHours":22.53435908581099,"endHours":24.23035518231478,"quality":"inauspicious"},{"name":"Udveg","start":"00:14","end":"01:56","startHours":24.23035518231478,"endHours":25.926351278818572,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:37","startHours":25.926351278818572,"endHours":27.622347375322363,"quality":"neutral"},{"name":"Labha","start":"03:37","end":"05:19","startHours":27.622347375322363,"endHours":29.318343471826157,"quality":"auspicious"},{"name":"Amṛta","start":"05:19","end":"07:01","startHours":29.318343471826157,"endHours":31.014339568329948,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:01","end":"08:01","startHours":7.014339568329949,"endHours":8.014339568329948,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:01","end":"09:01","startHours":8.014339568329948,"endHours":9.014339568329948,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:01","end":"10:01","startHours":9.014339568329948,"endHours":10.014339568329948,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:01","end":"11:01","startHours":10.014339568329948,"endHours":11.014339568329948,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:01","end":"12:01","startHours":11.014339568329948,"endHours":12.014339568329948,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:01","end":"13:01","startHours":12.014339568329948,"endHours":13.014339568329948,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:01","end":"14:01","startHours":13.014339568329948,"endHours":14.014339568329948,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:01","end":"15:01","startHours":14.014339568329948,"endHours":15.014339568329948,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:01","end":"16:01","startHours":15.014339568329948,"endHours":16.014339568329948,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:01","end":"17:01","startHours":16.014339568329948,"endHours":17.014339568329948,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:01","end":"18:01","startHours":17.014339568329948,"endHours":18.014339568329948,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:01","end":"19:01","startHours":18.014339568329948,"endHours":19.014339568329948,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:01","end":"20:01","startHours":19.014339568329948,"endHours":20.014339568329948,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:01","end":"21:01","startHours":20.014339568329948,"endHours":21.014339568329948,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:01","end":"22:01","startHours":21.014339568329948,"endHours":22.014339568329948,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:01","end":"23:01","startHours":22.014339568329948,"endHours":23.014339568329948,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:01","end":"00:01","startHours":23.014339568329948,"endHours":24.014339568329948,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:01","end":"01:01","startHours":24.014339568329948,"endHours":25.014339568329948,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:01","end":"02:01","startHours":25.014339568329948,"endHours":26.014339568329948,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:01","end":"03:01","startHours":26.014339568329948,"endHours":27.014339568329948,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:01","end":"04:01","startHours":27.014339568329948,"endHours":28.014339568329948,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:01","end":"05:01","startHours":28.014339568329948,"endHours":29.014339568329948,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:01","end":"06:01","startHours":29.014339568329948,"endHours":30.014339568329948,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:01","end":"07:01","startHours":30.014339568329948,"endHours":31.014339568329948,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Dhūmra","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":-23.004195214387416,"eotMinutes":5.541489061113115,"ayanamsa":23.3493}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","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 Kṛṣṇa Dvādaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[],"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":"vrindavan"},"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, 1963 CE · Vṛndāvana · Vidhyamitra","description":"December 12, 1963 CE for Vṛndāvana: Kṛṣṇa Dvādaśī, sūryodaya 07:01, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1963-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1963-12-12","sa":"https://sa.vidhyamitra.com/city/vrindavan/1963-12-12","hi":"https://hi.vidhyamitra.com/city/vrindavan/1963-12-12","x-default":"https://vidhyamitra.com/city/vrindavan/1963-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T08:01:03.480Z","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":"2026-06-01T08:01:03.480Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T08:01:03.480Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}