{"id":"vidhyamitra:city-day:vrindavan:1963-12-16:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1963-12-16","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-12-16","date_display":"December 16, 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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438379.770833,"kali_year":5065,"ahargana":1849914.2708,"sun":{"sidereal_longitude":239.7118,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":239.5217,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.8099,"elapsed_within_tithi_degrees":11.8099},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.5217,"elapsed_within_degrees":12.855},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.2334},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":1963,"month":12,"day":16,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438379.770833,"ahargana":1849914.2708,"kali_year":5065,"ayanamsa_lahiri":23.3495,"grahas":{"sun":{"sidereal_longitude":240.004819,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":239.61091899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false,"latitude":1.7653},"mars":{"sidereal_longitude":255.27281900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":260.652819,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":347.090619,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":267.57061899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":296.263319,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":82.6395,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":262.6395,"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":16,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438379.770833,"kali_year":5065,"ahargana":1849914.2708,"sun":{"sidereal_longitude":239.7118,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":239.5217,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.8099,"elapsed_within_tithi_degrees":11.8099},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4,"moon_longitude":239.5217,"elapsed_within_degrees":12.855},"yoga":{"number":9,"name":"Śūla","sum_longitude":119.2334},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.765,"elongation":0.19},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.765,"opposition_distance":179.81}},"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":"07:03","sunsetLocal":"17:28","solarNoonLocal":"12:16","dayLengthHours":10.409976542653439,"dayLengthDisplay":"10 Hours 24 Mins 36 Secs","nightLengthDisplay":"13 Hours 35 Mins 24 Secs","moonriseLocal":"07:03","moonsetLocal":"17:25","rahuKala":{"name":"Rāhu Kāla","start":"08:21","end":"09:39","startHours":8.357023516052088,"endHours":9.658270583883766,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:16","startHours":10.959517651715448,"endHours":12.260764719547126,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:34","end":"14:52","startHours":13.562011787378808,"endHours":14.863258855210486,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:29","end":"09:50","startHours":9.484770974839543,"endHours":9.83177019292799,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:29","end":"07:46","startHours":7.4895254708309675,"endHours":7.767124845301726,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:36","startHours":11.913765501458679,"endHours":12.607763937635573,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:40","end":"06:22","startHours":5.667779575866615,"endHours":6.361778012043511,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:11","end":"07:03","startHours":6.188278402999288,"endHours":7.055776448220407,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:41","startHours":13.995760809989367,"endHours":14.689759246166263,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.265752990873846,"endHours":17.665752990873845,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.465752990873845,"endHours":17.899502013484405,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.215752990873845,"endHours":18.965752990873845,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:36","startHours":23.913765501458677,"endHours":24.607763937635575,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:03","end":"08:21","startHours":7.055776448220407,"endHours":8.357023516052088,"quality":"auspicious"},{"name":"Kāla","start":"08:21","end":"09:39","startHours":8.357023516052088,"endHours":9.658270583883766,"quality":"inauspicious"},{"name":"Śubha","start":"09:39","end":"10:58","startHours":9.658270583883766,"endHours":10.959517651715448,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:16","startHours":10.959517651715448,"endHours":12.260764719547126,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:34","startHours":12.260764719547126,"endHours":13.562011787378808,"quality":"inauspicious"},{"name":"Chala","start":"13:34","end":"14:52","startHours":13.562011787378808,"endHours":14.863258855210486,"quality":"neutral"},{"name":"Labha","start":"14:52","end":"16:10","startHours":14.863258855210486,"endHours":16.164505923042167,"quality":"auspicious"},{"name":"Amṛta","start":"16:10","end":"17:28","startHours":16.164505923042167,"endHours":17.465752990873845,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:28","end":"19:10","startHours":17.465752990873845,"endHours":19.164505923042164,"quality":"neutral"},{"name":"Labha","start":"19:10","end":"20:52","startHours":19.164505923042164,"endHours":20.863258855210486,"quality":"auspicious"},{"name":"Amṛta","start":"20:52","end":"22:34","startHours":20.863258855210486,"endHours":22.562011787378808,"quality":"auspicious"},{"name":"Kāla","start":"22:34","end":"00:16","startHours":22.562011787378808,"endHours":24.260764719547126,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:58","startHours":24.260764719547126,"endHours":25.959517651715444,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:39","startHours":25.959517651715444,"endHours":27.658270583883766,"quality":"inauspicious"},{"name":"Udveg","start":"03:39","end":"05:21","startHours":27.658270583883766,"endHours":29.357023516052088,"quality":"inauspicious"},{"name":"Chala","start":"05:21","end":"07:03","startHours":29.357023516052088,"endHours":31.055776448220406,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:03","end":"08:03","startHours":7.055776448220407,"endHours":8.055776448220406,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:03","end":"09:03","startHours":8.055776448220406,"endHours":9.055776448220406,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:03","end":"10:03","startHours":9.055776448220406,"endHours":10.055776448220406,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:03","end":"11:03","startHours":10.055776448220406,"endHours":11.055776448220406,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:03","end":"12:03","startHours":11.055776448220406,"endHours":12.055776448220406,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:03","end":"13:03","startHours":12.055776448220406,"endHours":13.055776448220406,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:03","end":"14:03","startHours":13.055776448220406,"endHours":14.055776448220406,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:03","end":"15:03","startHours":14.055776448220406,"endHours":15.055776448220406,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:03","end":"16:03","startHours":15.055776448220406,"endHours":16.055776448220406,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:03","end":"17:03","startHours":16.055776448220406,"endHours":17.055776448220406,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:03","end":"18:03","startHours":17.055776448220406,"endHours":18.055776448220406,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:03","end":"19:03","startHours":18.055776448220406,"endHours":19.055776448220406,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:03","end":"20:03","startHours":19.055776448220406,"endHours":20.055776448220406,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:03","end":"21:03","startHours":20.055776448220406,"endHours":21.055776448220406,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:03","end":"22:03","startHours":21.055776448220406,"endHours":22.055776448220406,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:03","end":"23:03","startHours":22.055776448220406,"endHours":23.055776448220406,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:03","end":"00:03","startHours":23.055776448220406,"endHours":24.055776448220406,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:03","end":"01:03","startHours":24.055776448220406,"endHours":25.055776448220406,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:03","end":"02:03","startHours":25.055776448220406,"endHours":26.055776448220406,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:03","end":"03:03","startHours":26.055776448220406,"endHours":27.055776448220406,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:03","end":"04:03","startHours":27.055776448220406,"endHours":28.055776448220406,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:03","end":"05:03","startHours":28.055776448220406,"endHours":29.055776448220406,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:03","end":"06:03","startHours":29.055776448220406,"endHours":30.055776448220406,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:03","end":"07:03","startHours":30.055776448220406,"endHours":31.055776448220406,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.2697175398017,"eotMinutes":3.716916827172506,"ayanamsa":23.3495}},"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Amāvasyā · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi_ingress":"Dhanu"},"precedence":5}],"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā + Jyeṣṭhā","url":"/day/-3137-10-20","relevance":1}]},"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 16, 1963 CE · Vṛndāvana · Vidhyamitra","description":"December 16, 1963 CE for Vṛndāvana: Kṛṣṇa Amāvasyā, sūryodaya 07:03, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1963-12-16","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1963-12-16","sa":"https://sa.vidhyamitra.com/city/vrindavan/1963-12-16","hi":"https://hi.vidhyamitra.com/city/vrindavan/1963-12-16","x-default":"https://vidhyamitra.com/city/vrindavan/1963-12-16"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:55:07.073Z","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":"2026-05-31T16:55:07.073Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:55:07.073Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}