{"id":"vidhyamitra:city-day:vrindavan:2172-04-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2172-04-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-04-06","date_display":"April 6, 2172 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":2172,"month":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514462.770833,"kali_year":5273,"ahargana":1925997.2708,"sun":{"sidereal_longitude":350.3887,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":131.9856,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.5969,"elapsed_within_tithi_degrees":9.5969},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9856,"elapsed_within_degrees":11.9856},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":122.3743},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":2172,"month":4,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514462.770833,"ahargana":1925997.2708,"kali_year":5273,"ayanamsa_lahiri":26.2594,"grahas":{"sun":{"sidereal_longitude":350.628889,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":132.13268900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":3.8727},"mars":{"sidereal_longitude":179.308489,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":330.68818899999997,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":199.05278900000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":11.052188999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":326.4981889999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":11.396,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":191.396,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2172,"month":4,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514462.770833,"kali_year":5273,"ahargana":1925997.2708,"sun":{"sidereal_longitude":350.3887,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":131.9856,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.5969,"elapsed_within_tithi_degrees":9.5969},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":131.9856,"elapsed_within_degrees":11.9856},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":122.3743},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.873,"elongation":141.597},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.873,"opposition_distance":38.403}},"eclipse_window_40days":[{"offset_days":3,"type":"lunar","occurs":true,"moon_latitude":1.452,"opposition_distance":0.943},{"offset_days":17,"type":"solar","occurs":true,"moon_latitude":-0.251,"elongation":0.283}]},"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":"06:04","sunsetLocal":"18:40","solarNoonLocal":"12:22","dayLengthHours":12.590597071313653,"dayLengthDisplay":"12 Hours 35 Mins 26 Secs","nightLengthDisplay":"11 Hours 24 Mins 34 Secs","moonriseLocal":"15:28","moonsetLocal":"04:09","rahuKala":{"name":"Rāhu Kāla","start":"07:39","end":"09:13","startHours":7.647736586574766,"endHours":9.221561220488972,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:22","startHours":10.795385854403179,"endHours":12.369210488317385,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:57","end":"15:31","startHours":13.943035122231592,"endHours":15.516859756145799,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:26","startHours":9.011717935967077,"endHours":9.431404505010867,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.598520163965294,"endHours":6.934269419200325,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:57","end":"12:47","startHours":11.949523919273597,"endHours":12.788897057361174,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:24","end":"05:14","startHours":4.395165676485405,"endHours":5.234538814572982,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:01","end":"06:04","startHours":5.024695530051088,"endHours":6.073911952660559,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:18","startHours":14.467643333536328,"endHours":15.307016471623905,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.464509023974212,"endHours":18.86450902397421,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:11","startHours":18.66450902397421,"endHours":19.189117235278946,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41450902397421,"endHours":20.16450902397421,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:57","end":"00:47","startHours":23.9495239192736,"endHours":24.788897057361172,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:04","end":"07:39","startHours":6.073911952660559,"endHours":7.647736586574766,"quality":"auspicious"},{"name":"Kāla","start":"07:39","end":"09:13","startHours":7.647736586574766,"endHours":9.221561220488972,"quality":"inauspicious"},{"name":"Śubha","start":"09:13","end":"10:48","startHours":9.221561220488972,"endHours":10.795385854403179,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:22","startHours":10.795385854403179,"endHours":12.369210488317385,"quality":"inauspicious"},{"name":"Udveg","start":"12:22","end":"13:57","startHours":12.369210488317385,"endHours":13.943035122231592,"quality":"inauspicious"},{"name":"Chala","start":"13:57","end":"15:31","startHours":13.943035122231592,"endHours":15.516859756145799,"quality":"neutral"},{"name":"Labha","start":"15:31","end":"17:05","startHours":15.516859756145799,"endHours":17.090684390060005,"quality":"auspicious"},{"name":"Amṛta","start":"17:05","end":"18:40","startHours":17.090684390060005,"endHours":18.66450902397421,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:40","end":"20:05","startHours":18.66450902397421,"endHours":20.090684390060005,"quality":"neutral"},{"name":"Labha","start":"20:05","end":"21:31","startHours":20.090684390060005,"endHours":21.5168597561458,"quality":"auspicious"},{"name":"Amṛta","start":"21:31","end":"22:57","startHours":21.5168597561458,"endHours":22.943035122231592,"quality":"auspicious"},{"name":"Kāla","start":"22:57","end":"00:22","startHours":22.943035122231592,"endHours":24.369210488317385,"quality":"inauspicious"},{"name":"Śubha","start":"00:22","end":"01:48","startHours":24.369210488317385,"endHours":25.79538585440318,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:13","startHours":25.79538585440318,"endHours":27.221561220488972,"quality":"inauspicious"},{"name":"Udveg","start":"03:13","end":"04:39","startHours":27.221561220488972,"endHours":28.647736586574766,"quality":"inauspicious"},{"name":"Chala","start":"04:39","end":"06:04","startHours":28.647736586574766,"endHours":30.07391195266056,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:04","end":"07:04","startHours":6.073911952660559,"endHours":7.073911952660559,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:04","end":"08:04","startHours":7.073911952660559,"endHours":8.07391195266056,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:04","end":"09:04","startHours":8.07391195266056,"endHours":9.07391195266056,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:04","end":"10:04","startHours":9.07391195266056,"endHours":10.07391195266056,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:04","end":"11:04","startHours":10.07391195266056,"endHours":11.07391195266056,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:04","end":"12:04","startHours":11.07391195266056,"endHours":12.07391195266056,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:04","end":"13:04","startHours":12.07391195266056,"endHours":13.07391195266056,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:04","end":"14:04","startHours":13.07391195266056,"endHours":14.07391195266056,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:04","end":"15:04","startHours":14.07391195266056,"endHours":15.07391195266056,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:04","end":"16:04","startHours":15.07391195266056,"endHours":16.07391195266056,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:04","end":"17:04","startHours":16.07391195266056,"endHours":17.07391195266056,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:04","end":"18:04","startHours":17.07391195266056,"endHours":18.07391195266056,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:04","end":"19:04","startHours":18.07391195266056,"endHours":19.07391195266056,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:04","end":"20:04","startHours":19.07391195266056,"endHours":20.07391195266056,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:04","end":"21:04","startHours":20.07391195266056,"endHours":21.07391195266056,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:04","end":"22:04","startHours":21.07391195266056,"endHours":22.07391195266056,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:04","end":"23:04","startHours":22.07391195266056,"endHours":23.07391195266056,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:04","end":"00:04","startHours":23.07391195266056,"endHours":24.07391195266056,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:04","end":"01:04","startHours":24.07391195266056,"endHours":25.07391195266056,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:04","end":"02:04","startHours":25.07391195266056,"endHours":26.07391195266056,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:04","end":"03:04","startHours":26.07391195266056,"endHours":27.07391195266056,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:04","end":"04:04","startHours":27.07391195266056,"endHours":28.07391195266056,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:04","end":"05:04","startHours":28.07391195266056,"endHours":29.07391195266056,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:04","end":"06:04","startHours":29.07391195266056,"endHours":30.07391195266056,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":6.634998079734127,"eotMinutes":-2.7898292990430456,"ayanamsa":26.2594}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Caitra","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Dvādaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[],"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 April 6, 2172 CE · Vṛndāvana · Vidhyamitra","description":"April 6, 2172 CE for Vṛndāvana: Śukla Dvādaśī, sūryodaya 06:04, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2172-04-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2172-04-06","sa":"https://sa.vidhyamitra.com/city/vrindavan/2172-04-06","hi":"https://hi.vidhyamitra.com/city/vrindavan/2172-04-06","x-default":"https://vidhyamitra.com/city/vrindavan/2172-04-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:06:52.428Z","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":"2026-05-31T03:06:52.428Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:06:52.428Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}