{"id":"vidhyamitra:city-day:vrindavan:1963-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1963-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1963-01-21","date_display":"January 21, 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":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438050.770833,"kali_year":5064,"ahargana":1849585.2708,"sun":{"sidereal_longitude":276.9619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":222.0434,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.0815,"elapsed_within_tithi_degrees":5.0815},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.0434,"elapsed_within_degrees":8.7101},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.0054},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438050.770833,"ahargana":1849585.2708,"kali_year":5064,"ayanamsa_lahiri":23.3369,"grahas":{"sun":{"sidereal_longitude":276.93878900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":222.099789,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":3.8163},"mars":{"sidereal_longitude":117.55908899999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":276.070789,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":320.285989,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":230.55328899999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":289.54198900000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":100.0715,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":280.0715,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1963,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438050.770833,"kali_year":5064,"ahargana":1849585.2708,"sun":{"sidereal_longitude":276.9619,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":222.0434,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":305.0815,"elapsed_within_tithi_degrees":5.0815},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":222.0434,"elapsed_within_degrees":8.7101},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.0054},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.816,"elongation":54.918},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.816,"opposition_distance":125.082}},"eclipse_window_40days":[{"offset_days":-11,"type":"lunar","occurs":true,"moon_latitude":-0.956,"opposition_distance":2.706}]},"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":"07:11","sunsetLocal":"17:51","solarNoonLocal":"12:31","dayLengthHours":10.668152679709486,"dayLengthDisplay":"10 Hours 40 Mins 05 Secs","nightLengthDisplay":"13 Hours 19 Mins 55 Secs","moonriseLocal":"03:35","moonsetLocal":"14:07","rahuKala":{"name":"Rāhu Kāla","start":"08:31","end":"09:51","startHours":8.509751599261145,"endHours":9.84327068422483,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:11","end":"12:31","startHours":11.176789769188517,"endHours":12.510308854152203,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:51","end":"15:11","startHours":13.843827939115888,"endHours":15.177347024079573,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.665468139563007,"endHours":10.021073228886657,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.620738875952021,"endHours":7.905222947410941,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.154703764828554,"endHours":12.865913943475853,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.753812157002861,"endHours":6.46502233565016,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:11","startHours":6.287219790988336,"endHours":7.1762325142974595,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:00","startHours":14.288334300770451,"endHours":14.99954447941775,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.644385194006947,"endHours":18.044385194006946,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:17","startHours":17.844385194006946,"endHours":18.288891555661507,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.594385194006946,"endHours":19.344385194006946,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.154703764828554,"endHours":24.865913943475853,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:11","end":"08:31","startHours":7.1762325142974595,"endHours":8.509751599261145,"quality":"auspicious"},{"name":"Kāla","start":"08:31","end":"09:51","startHours":8.509751599261145,"endHours":9.84327068422483,"quality":"inauspicious"},{"name":"Śubha","start":"09:51","end":"11:11","startHours":9.84327068422483,"endHours":11.176789769188517,"quality":"auspicious"},{"name":"Roga","start":"11:11","end":"12:31","startHours":11.176789769188517,"endHours":12.510308854152203,"quality":"inauspicious"},{"name":"Udveg","start":"12:31","end":"13:51","startHours":12.510308854152203,"endHours":13.843827939115888,"quality":"inauspicious"},{"name":"Chala","start":"13:51","end":"15:11","startHours":13.843827939115888,"endHours":15.177347024079573,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:31","startHours":15.177347024079573,"endHours":16.51086610904326,"quality":"auspicious"},{"name":"Amṛta","start":"16:31","end":"17:51","startHours":16.51086610904326,"endHours":17.844385194006946,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:51","end":"19:31","startHours":17.844385194006946,"endHours":19.51086610904326,"quality":"neutral"},{"name":"Labha","start":"19:31","end":"21:11","startHours":19.51086610904326,"endHours":21.177347024079573,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:51","startHours":21.177347024079573,"endHours":22.84382793911589,"quality":"auspicious"},{"name":"Kāla","start":"22:51","end":"00:31","startHours":22.84382793911589,"endHours":24.510308854152203,"quality":"inauspicious"},{"name":"Śubha","start":"00:31","end":"02:11","startHours":24.510308854152203,"endHours":26.176789769188517,"quality":"auspicious"},{"name":"Roga","start":"02:11","end":"03:51","startHours":26.176789769188517,"endHours":27.843270684224834,"quality":"inauspicious"},{"name":"Udveg","start":"03:51","end":"05:31","startHours":27.843270684224834,"endHours":29.509751599261147,"quality":"inauspicious"},{"name":"Chala","start":"05:31","end":"07:11","startHours":29.509751599261147,"endHours":31.17623251429746,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.1762325142974595,"endHours":8.17623251429746,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.17623251429746,"endHours":9.17623251429746,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.17623251429746,"endHours":10.17623251429746,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.17623251429746,"endHours":11.17623251429746,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.17623251429746,"endHours":12.17623251429746,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.17623251429746,"endHours":13.17623251429746,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.17623251429746,"endHours":14.17623251429746,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.17623251429746,"endHours":15.17623251429746,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.17623251429746,"endHours":16.17623251429746,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.17623251429746,"endHours":17.17623251429746,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.17623251429746,"endHours":18.17623251429746,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.17623251429746,"endHours":19.17623251429746,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.17623251429746,"endHours":20.17623251429746,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.17623251429746,"endHours":21.17623251429746,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.17623251429746,"endHours":22.17623251429746,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.17623251429746,"endHours":23.17623251429746,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.17623251429746,"endHours":24.17623251429746,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.17623251429746,"endHours":25.17623251429746,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.17623251429746,"endHours":26.17623251429746,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.17623251429746,"endHours":27.17623251429746,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.17623251429746,"endHours":28.17623251429746,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.17623251429746,"endHours":29.17623251429746,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.17623251429746,"endHours":30.17623251429746,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.17623251429746,"endHours":31.17623251429746,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"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":"Amṛta","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.08937554443557,"eotMinutes":-11.255731249132124,"ayanamsa":23.3369}},"calendars":{"vikram_samvat":2020,"vikram_samvatsara":"Nala","saka_samvat":1885,"saka_samvatsara":"Śobhana","bengali_samvat":1370,"malayalam_era":1139,"nanakshahi_year":494,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 2020 Nala · Śaka 1885 Śobhana"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"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":[]},"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 January 21, 1963 CE · Vṛndāvana · Vidhyamitra","description":"January 21, 1963 CE for Vṛndāvana: Kṛṣṇa Ekādaśī, sūryodaya 07:11, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1963-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1963-01-21","sa":"https://sa.vidhyamitra.com/city/vrindavan/1963-01-21","hi":"https://hi.vidhyamitra.com/city/vrindavan/1963-01-21","x-default":"https://vidhyamitra.com/city/vrindavan/1963-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:26:10.196Z","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":"2026-06-01T01:26:10.196Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:26:10.196Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}