{"id":"vidhyamitra:city-day:vrindavan:1978-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1978-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1978-01-21","date_display":"January 21, 1978 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":1978,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443529.770833,"kali_year":5079,"ahargana":1855064.2708,"sun":{"sidereal_longitude":277.0836,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":59.4501,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.3665,"elapsed_within_tithi_degrees":10.3665},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.4501,"elapsed_within_degrees":6.1168},"yoga":{"number":26,"name":"Indra","sum_longitude":336.5337},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1978,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2443529.770833,"ahargana":1855064.2708,"kali_year":5079,"ayanamsa_lahiri":23.5464,"grahas":{"sun":{"sidereal_longitude":277.095151,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":61.05665099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false,"latitude":-4.2195},"mars":{"sidereal_longitude":98.78685100000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":255.60625099999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":63.74195100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":277.12335099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":125.53135099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":169.7677,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":349.7677,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1978,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2443529.770833,"kali_year":5079,"ahargana":1855064.2708,"sun":{"sidereal_longitude":277.0836,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":59.4501,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":142.3665,"elapsed_within_tithi_degrees":10.3665},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.4501,"elapsed_within_degrees":6.1168},"yoga":{"number":26,"name":"Indra","sum_longitude":336.5337},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.219,"elongation":142.367},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.219,"opposition_distance":37.633}},"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":"07:10","sunsetLocal":"17:51","solarNoonLocal":"12:31","dayLengthHours":10.674373081331183,"dayLengthDisplay":"10 Hours 40 Mins 28 Secs","nightLengthDisplay":"13 Hours 19 Mins 32 Secs","moonriseLocal":"15:11","moonsetLocal":"05:01","rahuKala":{"name":"Rāhu Kāla","start":"09:51","end":"11:11","startHours":9.841715583819408,"endHours":11.176012218985807,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:51","end":"15:11","startHours":13.844605489318603,"endHours":15.178902124484999,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:30","startHours":7.173122313486613,"endHours":8.507418948653012,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.663809365797222,"endHours":10.019621801841595,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:37","end":"07:54","startHours":7.617887858542079,"endHours":7.902537807377577,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:52","startHours":12.154496418107831,"endHours":12.866121290196576,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:28","startHours":5.749872569309122,"endHours":6.461497441397867,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:17","end":"07:10","startHours":6.283591223375681,"endHours":7.173122313486613,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:00","startHours":14.289371034374067,"endHours":15.000995906462812,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:39","end":"18:03","startHours":17.647495394817795,"endHours":18.047495394817794,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:51","end":"18:18","startHours":17.847495394817795,"endHours":18.29226093987326,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:36","end":"19:21","startHours":17.597495394817795,"endHours":19.347495394817795,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:52","startHours":24.15449641810783,"endHours":24.866121290196578,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:30","startHours":7.173122313486613,"endHours":8.507418948653012,"quality":"inauspicious"},{"name":"Śubha","start":"08:30","end":"09:51","startHours":8.507418948653012,"endHours":9.841715583819408,"quality":"auspicious"},{"name":"Roga","start":"09:51","end":"11:11","startHours":9.841715583819408,"endHours":11.176012218985807,"quality":"inauspicious"},{"name":"Udveg","start":"11:11","end":"12:31","startHours":11.176012218985807,"endHours":12.510308854152203,"quality":"inauspicious"},{"name":"Chala","start":"12:31","end":"13:51","startHours":12.510308854152203,"endHours":13.844605489318603,"quality":"neutral"},{"name":"Labha","start":"13:51","end":"15:11","startHours":13.844605489318603,"endHours":15.178902124484999,"quality":"auspicious"},{"name":"Amṛta","start":"15:11","end":"16:31","startHours":15.178902124484999,"endHours":16.5131987596514,"quality":"auspicious"},{"name":"Kāla","start":"16:31","end":"17:51","startHours":16.5131987596514,"endHours":17.847495394817795,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:51","end":"19:31","startHours":17.847495394817795,"endHours":19.513198759651395,"quality":"auspicious"},{"name":"Amṛta","start":"19:31","end":"21:11","startHours":19.513198759651395,"endHours":21.178902124485,"quality":"auspicious"},{"name":"Kāla","start":"21:11","end":"22:51","startHours":21.178902124485,"endHours":22.844605489318603,"quality":"inauspicious"},{"name":"Śubha","start":"22:51","end":"00:31","startHours":22.844605489318603,"endHours":24.510308854152203,"quality":"auspicious"},{"name":"Roga","start":"00:31","end":"02:11","startHours":24.510308854152203,"endHours":26.176012218985804,"quality":"inauspicious"},{"name":"Udveg","start":"02:11","end":"03:51","startHours":26.176012218985804,"endHours":27.841715583819408,"quality":"inauspicious"},{"name":"Chala","start":"03:51","end":"05:30","startHours":27.841715583819408,"endHours":29.50741894865301,"quality":"neutral"},{"name":"Labha","start":"05:30","end":"07:10","startHours":29.50741894865301,"endHours":31.173122313486612,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.173122313486613,"endHours":8.173122313486612,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.173122313486612,"endHours":9.173122313486612,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.173122313486612,"endHours":10.173122313486612,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.173122313486612,"endHours":11.173122313486612,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.173122313486612,"endHours":12.173122313486612,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.173122313486612,"endHours":13.173122313486612,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.173122313486612,"endHours":14.173122313486612,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.173122313486612,"endHours":15.173122313486612,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.173122313486612,"endHours":16.173122313486612,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.173122313486612,"endHours":17.173122313486612,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.173122313486612,"endHours":18.173122313486612,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.173122313486612,"endHours":19.173122313486612,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.173122313486612,"endHours":20.173122313486612,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.173122313486612,"endHours":21.173122313486612,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.173122313486612,"endHours":22.173122313486612,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.173122313486612,"endHours":23.173122313486612,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.173122313486612,"endHours":24.173122313486612,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.173122313486612,"endHours":25.173122313486612,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.173122313486612,"endHours":26.173122313486612,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.173122313486612,"endHours":27.173122313486612,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.173122313486612,"endHours":28.173122313486612,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.173122313486612,"endHours":29.173122313486612,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.173122313486612,"endHours":30.173122313486612,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.173122313486612,"endHours":31.173122313486612,"planetary_lord":"Mercury"}],"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Ānanda","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":-20.0108526642789,"eotMinutes":-11.255731249132124,"ayanamsa":23.5464}},"calendars":{"vikram_samvat":2035,"vikram_samvatsara":"Prajāpati","saka_samvat":1900,"saka_samvatsara":"Kālayukta","bengali_samvat":1385,"malayalam_era":1154,"nanakshahi_year":509,"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":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvādaśī · Vikram 2035 Prajāpati · Śaka 1900 Kālayukta"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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, 1978 CE · Vṛndāvana · Vidhyamitra","description":"January 21, 1978 CE for Vṛndāvana: Śukla Dvādaśī, sūryodaya 07:10, sūryāsta 17:51.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1978-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1978-01-21","sa":"https://sa.vidhyamitra.com/city/vrindavan/1978-01-21","hi":"https://hi.vidhyamitra.com/city/vrindavan/1978-01-21","x-default":"https://vidhyamitra.com/city/vrindavan/1978-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:34:41.862Z","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":"2026-05-31T18:34:41.862Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:34:41.862Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}