{"id":"vidhyamitra:city-day:vrindavan:1971-01-19:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1971-01-19","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1971-01-19","date_display":"January 19, 1971 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":1971,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440970.770833,"kali_year":5072,"ahargana":1852505.2708,"sun":{"sidereal_longitude":274.8386,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":179.9586,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.1201,"elapsed_within_tithi_degrees":1.1201},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.9586,"elapsed_within_degrees":6.6253},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.7972},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1971,"month":1,"day":19,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440970.770833,"ahargana":1852505.2708,"kali_year":5072,"ayanamsa_lahiri":23.4486,"grahas":{"sun":{"sidereal_longitude":274.850324,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":176.81122400000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":-3.6669},"mars":{"sidereal_longitude":214.397424,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":251.08162400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":218.11112400000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":228.32822399999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":22.67192399999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":305.3559,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":125.3559,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"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":1971,"month":1,"day":19,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440970.770833,"kali_year":5072,"ahargana":1852505.2708,"sun":{"sidereal_longitude":274.8386,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":179.9586,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":265.1201,"elapsed_within_tithi_degrees":1.1201},"nakshatra":{"number":14,"name":"Citrā","pada":2,"moon_longitude":179.9586,"elapsed_within_degrees":6.6253},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":94.7972},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.667,"elongation":94.88},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.667,"opposition_distance":85.12}},"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":"07:11","sunsetLocal":"17:49","solarNoonLocal":"12:30","dayLengthHours":10.635556936593366,"dayLengthDisplay":"10 Hours 38 Mins 08 Secs","nightLengthDisplay":"13 Hours 21 Mins 52 Secs","moonriseLocal":"00:12","moonsetLocal":"11:44","rahuKala":{"name":"Rāhu Kāla","start":"15:10","end":"16:29","startHours":15.15930346637868,"endHours":16.48874808345285,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:50","end":"11:10","startHours":9.841524998081997,"endHours":11.170969615156167,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:30","end":"13:50","startHours":12.500414232230337,"endHours":13.82985884930451,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:40","end":"10:01","startHours":9.66426571580544,"endHours":10.018784280358553,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:55","startHours":7.625783969625045,"endHours":7.909398821267535,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:51","startHours":12.145895667677227,"endHours":12.854932796783451,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:46","end":"06:28","startHours":5.764561505721207,"endHours":6.473598634827431,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:11","startHours":6.296339352550875,"endHours":7.182635763933655,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"14:59","startHours":14.2730070549959,"endHours":14.982044184102124,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.618192700527022,"endHours":18.01819270052702,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:16","startHours":17.81819270052702,"endHours":18.26134090621841,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.56819270052702,"endHours":19.31819270052702,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:51","startHours":24.14589566767723,"endHours":24.85493279678345,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:11","end":"08:31","startHours":7.182635763933655,"endHours":8.512080381007825,"quality":"inauspicious"},{"name":"Udveg","start":"08:31","end":"09:50","startHours":8.512080381007825,"endHours":9.841524998081997,"quality":"inauspicious"},{"name":"Chala","start":"09:50","end":"11:10","startHours":9.841524998081997,"endHours":11.170969615156167,"quality":"neutral"},{"name":"Labha","start":"11:10","end":"12:30","startHours":11.170969615156167,"endHours":12.500414232230337,"quality":"auspicious"},{"name":"Amṛta","start":"12:30","end":"13:50","startHours":12.500414232230337,"endHours":13.82985884930451,"quality":"auspicious"},{"name":"Kāla","start":"13:50","end":"15:10","startHours":13.82985884930451,"endHours":15.15930346637868,"quality":"inauspicious"},{"name":"Śubha","start":"15:10","end":"16:29","startHours":15.15930346637868,"endHours":16.48874808345285,"quality":"auspicious"},{"name":"Roga","start":"16:29","end":"17:49","startHours":16.48874808345285,"endHours":17.81819270052702,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:49","end":"19:29","startHours":17.81819270052702,"endHours":19.48874808345285,"quality":"inauspicious"},{"name":"Śubha","start":"19:29","end":"21:10","startHours":19.48874808345285,"endHours":21.15930346637868,"quality":"auspicious"},{"name":"Roga","start":"21:10","end":"22:50","startHours":21.15930346637868,"endHours":22.829858849304507,"quality":"inauspicious"},{"name":"Udveg","start":"22:50","end":"00:30","startHours":22.829858849304507,"endHours":24.500414232230337,"quality":"inauspicious"},{"name":"Chala","start":"00:30","end":"02:10","startHours":24.500414232230337,"endHours":26.170969615156167,"quality":"neutral"},{"name":"Labha","start":"02:10","end":"03:50","startHours":26.170969615156167,"endHours":27.841524998081997,"quality":"auspicious"},{"name":"Amṛta","start":"03:50","end":"05:31","startHours":27.841524998081997,"endHours":29.512080381007827,"quality":"auspicious"},{"name":"Kāla","start":"05:31","end":"07:11","startHours":29.512080381007827,"endHours":31.182635763933654,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.182635763933655,"endHours":8.182635763933655,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.182635763933655,"endHours":9.182635763933655,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.182635763933655,"endHours":10.182635763933655,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.182635763933655,"endHours":11.182635763933655,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.182635763933655,"endHours":12.182635763933655,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.182635763933655,"endHours":13.182635763933655,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.182635763933655,"endHours":14.182635763933655,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.182635763933655,"endHours":15.182635763933655,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.182635763933655,"endHours":16.182635763933654,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.182635763933654,"endHours":17.182635763933654,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.182635763933654,"endHours":18.182635763933654,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.182635763933654,"endHours":19.182635763933654,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.182635763933654,"endHours":20.182635763933654,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.182635763933654,"endHours":21.182635763933654,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.182635763933654,"endHours":22.182635763933654,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.182635763933654,"endHours":23.182635763933654,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.182635763933654,"endHours":24.182635763933654,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.182635763933654,"endHours":25.182635763933654,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.182635763933654,"endHours":26.182635763933654,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.182635763933654,"endHours":27.182635763933654,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.182635763933654,"endHours":28.182635763933654,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.182635763933654,"endHours":29.182635763933654,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.182635763933654,"endHours":30.182635763933654,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.182635763933654,"endHours":31.182635763933654,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-20.499424065964693,"eotMinutes":-10.662053933820344,"ayanamsa":23.4486}},"calendars":{"vikram_samvat":2028,"vikram_samvatsara":"Raktākṣī","saka_samvat":1893,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1378,"malayalam_era":1147,"nanakshahi_year":502,"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 Aṣṭamī · Vikram 2028 Raktākṣī · Śaka 1893 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 19, 1971 CE · Vṛndāvana · Vidhyamitra","description":"January 19, 1971 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 07:11, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1971-01-19","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1971-01-19","sa":"https://sa.vidhyamitra.com/city/vrindavan/1971-01-19","hi":"https://hi.vidhyamitra.com/city/vrindavan/1971-01-19","x-default":"https://vidhyamitra.com/city/vrindavan/1971-01-19"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T18:57:11.162Z","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":"2026-05-31T18:57:11.162Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T18:57:11.162Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}