{"id":"vidhyamitra:city-day:ayodhya:2172-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2172-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-04-21","date_display":"April 21, 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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514477.770833,"kali_year":5274,"ahargana":1926012.2708,"sun":{"sidereal_longitude":5.0601,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":341.1526,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.0924,"elapsed_within_tithi_degrees":0.0924},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.1526,"elapsed_within_degrees":7.8192},"yoga":{"number":26,"name":"Indra","sum_longitude":346.2127},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":2172,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514477.770833,"ahargana":1926012.2708,"kali_year":5274,"ayanamsa_lahiri":26.2599,"grahas":{"sun":{"sidereal_longitude":5.347715999999991,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":341.254616,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-2.2107},"mars":{"sidereal_longitude":173.71571600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":358.969516,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":197.43621600000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":3.74211600000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":328.1852160000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":10.6013,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":190.6013,"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":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514477.770833,"kali_year":5274,"ahargana":1926012.2708,"sun":{"sidereal_longitude":5.0601,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":341.1526,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.0924,"elapsed_within_tithi_degrees":0.0924},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3,"moon_longitude":341.1526,"elapsed_within_degrees":7.8192},"yoga":{"number":26,"name":"Indra","sum_longitude":346.2127},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.211,"elongation":23.908},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.211,"opposition_distance":156.092}},"eclipse_window_40days":[{"offset_days":-12,"type":"lunar","occurs":true,"moon_latitude":1.452,"opposition_distance":0.943},{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":-0.251,"elongation":0.283}]},"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"ayodhya","name":"Ayodhyā","lat":26.799,"lon":82.204,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:31","sunsetLocal":"18:29","solarNoonLocal":"12:00","dayLengthHours":12.95212090988477,"dayLengthDisplay":"12 Hours 57 Mins 08 Secs","nightLengthDisplay":"11 Hours 02 Mins 52 Secs","moonriseLocal":"04:15","moonsetLocal":"16:32","rahuKala":{"name":"Rāhu Kāla","start":"15:14","end":"16:51","startHours":15.237974746785156,"endHours":16.856989860520752,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:46","end":"10:23","startHours":8.761914291842771,"endHours":10.380929405578367,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.61895963304956,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.546045610011358,"endHours":8.977782973674183,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:04","end":"06:25","startHours":6.06355576895011,"endHours":6.40894565988037,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.568207155651137,"endHours":12.43168188297679,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:48","end":"04:40","startHours":3.7969346097202754,"endHours":4.660409337045927,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:27","end":"05:31","startHours":4.444540655214514,"endHours":5.523884064371578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"15:01","startHours":14.15863133762809,"endHours":15.022106064953741,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:17","end":"18:41","startHours":18.27600497425635,"endHours":18.676004974256347,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:29","end":"19:01","startHours":18.476004974256348,"endHours":19.01567667883488,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:14","end":"19:59","startHours":18.226004974256348,"endHours":19.976004974256348,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.568207155651137,"endHours":24.43168188297679,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:31","end":"07:09","startHours":5.523884064371578,"endHours":7.142899178107174,"quality":"inauspicious"},{"name":"Udveg","start":"07:09","end":"08:46","startHours":7.142899178107174,"endHours":8.761914291842771,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:23","startHours":8.761914291842771,"endHours":10.380929405578367,"quality":"neutral"},{"name":"Labha","start":"10:23","end":"12:00","startHours":10.380929405578367,"endHours":11.999944519313964,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.61895963304956,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"15:14","startHours":13.61895963304956,"endHours":15.237974746785156,"quality":"inauspicious"},{"name":"Śubha","start":"15:14","end":"16:51","startHours":15.237974746785156,"endHours":16.856989860520752,"quality":"auspicious"},{"name":"Roga","start":"16:51","end":"18:29","startHours":16.856989860520752,"endHours":18.476004974256348,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:29","end":"19:51","startHours":18.476004974256348,"endHours":19.856989860520752,"quality":"inauspicious"},{"name":"Śubha","start":"19:51","end":"21:14","startHours":19.856989860520752,"endHours":21.237974746785156,"quality":"auspicious"},{"name":"Roga","start":"21:14","end":"22:37","startHours":21.237974746785156,"endHours":22.61895963304956,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:00","startHours":22.61895963304956,"endHours":23.999944519313964,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:23","startHours":23.999944519313964,"endHours":25.380929405578367,"quality":"neutral"},{"name":"Labha","start":"01:23","end":"02:46","startHours":25.380929405578367,"endHours":26.76191429184277,"quality":"auspicious"},{"name":"Amṛta","start":"02:46","end":"04:09","startHours":26.76191429184277,"endHours":28.142899178107175,"quality":"auspicious"},{"name":"Kāla","start":"04:09","end":"05:31","startHours":28.142899178107175,"endHours":29.52388406437158,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.523884064371578,"endHours":6.523884064371578,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.523884064371578,"endHours":7.523884064371578,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.523884064371578,"endHours":8.523884064371579,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.523884064371579,"endHours":9.523884064371579,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.523884064371579,"endHours":10.523884064371579,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.523884064371579,"endHours":11.523884064371579,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.523884064371579,"endHours":12.523884064371579,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.523884064371579,"endHours":13.523884064371579,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.523884064371579,"endHours":14.523884064371579,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.523884064371579,"endHours":15.523884064371579,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.523884064371579,"endHours":16.52388406437158,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.52388406437158,"endHours":17.52388406437158,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.52388406437158,"endHours":18.52388406437158,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.52388406437158,"endHours":19.52388406437158,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.52388406437158,"endHours":20.52388406437158,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.52388406437158,"endHours":21.52388406437158,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.52388406437158,"endHours":22.52388406437158,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.52388406437158,"endHours":23.52388406437158,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.52388406437158,"endHours":24.52388406437158,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.52388406437158,"endHours":25.52388406437158,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.52388406437158,"endHours":26.52388406437158,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.52388406437158,"endHours":27.52388406437158,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.52388406437158,"endHours":28.52388406437158,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.52388406437158,"endHours":29.52388406437158,"planetary_lord":"Saturn"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.031605882994063,"eotMinutes":1.1873288411622274,"ayanamsa":26.2599}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Caitra","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturdaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"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":[]},"validity":{"eternal":false,"location_specific":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 21, 2172 CE · Ayodhyā · Vidhyamitra","description":"April 21, 2172 CE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:31, sūryāsta 18:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2172-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2172-04-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2172-04-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2172-04-21","x-default":"https://vidhyamitra.com/city/ayodhya/2172-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:25:23.430Z","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":"2026-05-31T09:25:23.430Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:25:23.430Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}