{"id":"vidhyamitra:city-day:ayodhya:-3156-07-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3156-07-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3156-07-21","date_display":"July 21, 3157 BCE","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":-3156,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":568530.770833,"kali_year":-54,"ahargana":-19934.7292,"sun":{"sidereal_longitude":150.0114,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":126.4166,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.4052,"elapsed_within_tithi_degrees":0.4052},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.4166,"elapsed_within_degrees":6.4166},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4281},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"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":-3156,"month":7,"day":21,"hour":6,"minute":30,"calendar":"julian"},"julian_day":568530.770833,"ahargana":-19934.7292,"kali_year":-54,"ayanamsa_lahiri":-48.1652,"grahas":{"sun":{"sidereal_longitude":150.0114,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":126.4166,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-2.2361},"mars":{"sidereal_longitude":41.7257,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":152.4208,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":145.8375,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":130.2312,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":59.056,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":156.2379,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":336.2379,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","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":-3156,"month":7,"day":21,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":568530.770833,"kali_year":-54,"ahargana":-19934.7292,"sun":{"sidereal_longitude":150.0114,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":126.4166,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":336.4052,"elapsed_within_tithi_degrees":0.4052},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.4166,"elapsed_within_degrees":6.4166},"yoga":{"number":21,"name":"Siddha","sum_longitude":276.4281},"karana":{"half_tithi_index":56,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.236,"elongation":23.595},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.236,"opposition_distance":156.405}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":-0.177,"elongation":1.916},{"offset_days":16,"type":"lunar","occurs":true,"moon_latitude":-0.979,"opposition_distance":2.296}]},"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":"05:14","sunsetLocal":"19:01","solarNoonLocal":"12:07","dayLengthHours":13.78189109585668,"dayLengthDisplay":"13 Hours 46 Mins 55 Secs","nightLengthDisplay":"10 Hours 13 Mins 05 Secs","moonriseLocal":"03:41","moonsetLocal":"17:25","rahuKala":{"name":"Rāhu Kāla","start":"08:41","end":"10:24","startHours":8.675090616623896,"endHours":10.397827003605983,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:51","end":"15:34","startHours":13.843299777570152,"endHours":15.566036164552237,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:14","end":"06:57","startHours":5.229617842659726,"endHours":6.952354229641811,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:27","end":"08:54","startHours":8.445392431692952,"endHours":8.90478880155484,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:48","end":"06:10","startHours":5.803863304987088,"endHours":6.1713804008766,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:40","end":"12:35","startHours":11.661167020726179,"endHours":12.579959760449956,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:24","end":"04:19","startHours":3.3920323632121687,"endHours":4.310825102935947,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:05","end":"05:14","startHours":4.081126918005003,"endHours":5.229617842659726,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:25","end":"15:20","startHours":14.417545239897514,"endHours":15.336337979621293,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.811508938516408,"endHours":19.211508938516406,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:35","startHours":19.011508938516407,"endHours":19.58575440084377,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.761508938516407,"endHours":20.511508938516407,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:40","end":"00:35","startHours":23.66116702072618,"endHours":24.579959760449956,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:14","end":"06:57","startHours":5.229617842659726,"endHours":6.952354229641811,"quality":"inauspicious"},{"name":"Śubha","start":"06:57","end":"08:41","startHours":6.952354229641811,"endHours":8.675090616623896,"quality":"auspicious"},{"name":"Roga","start":"08:41","end":"10:24","startHours":8.675090616623896,"endHours":10.397827003605983,"quality":"inauspicious"},{"name":"Udveg","start":"10:24","end":"12:07","startHours":10.397827003605983,"endHours":12.120563390588067,"quality":"inauspicious"},{"name":"Chala","start":"12:07","end":"13:51","startHours":12.120563390588067,"endHours":13.843299777570152,"quality":"neutral"},{"name":"Labha","start":"13:51","end":"15:34","startHours":13.843299777570152,"endHours":15.566036164552237,"quality":"auspicious"},{"name":"Amṛta","start":"15:34","end":"17:17","startHours":15.566036164552237,"endHours":17.288772551534322,"quality":"auspicious"},{"name":"Kāla","start":"17:17","end":"19:01","startHours":17.288772551534322,"endHours":19.011508938516407,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"19:01","end":"20:17","startHours":19.011508938516407,"endHours":20.288772551534322,"quality":"auspicious"},{"name":"Amṛta","start":"20:17","end":"21:34","startHours":20.288772551534322,"endHours":21.566036164552237,"quality":"auspicious"},{"name":"Kāla","start":"21:34","end":"22:51","startHours":21.566036164552237,"endHours":22.843299777570152,"quality":"inauspicious"},{"name":"Śubha","start":"22:51","end":"00:07","startHours":22.843299777570152,"endHours":24.120563390588067,"quality":"auspicious"},{"name":"Roga","start":"00:07","end":"01:24","startHours":24.120563390588067,"endHours":25.397827003605983,"quality":"inauspicious"},{"name":"Udveg","start":"01:24","end":"02:41","startHours":25.397827003605983,"endHours":26.675090616623898,"quality":"inauspicious"},{"name":"Chala","start":"02:41","end":"03:57","startHours":26.675090616623898,"endHours":27.952354229641813,"quality":"neutral"},{"name":"Labha","start":"03:57","end":"05:14","startHours":27.952354229641813,"endHours":29.229617842659728,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:14","end":"06:14","startHours":5.229617842659726,"endHours":6.229617842659726,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:14","end":"07:14","startHours":6.229617842659726,"endHours":7.229617842659726,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:14","end":"08:14","startHours":7.229617842659726,"endHours":8.229617842659726,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:14","end":"09:14","startHours":8.229617842659726,"endHours":9.229617842659726,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:14","end":"10:14","startHours":9.229617842659726,"endHours":10.229617842659726,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:14","end":"11:14","startHours":10.229617842659726,"endHours":11.229617842659726,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:14","end":"12:14","startHours":11.229617842659726,"endHours":12.229617842659726,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:14","end":"13:14","startHours":12.229617842659726,"endHours":13.229617842659726,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:14","end":"14:14","startHours":13.229617842659726,"endHours":14.229617842659726,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:14","end":"15:14","startHours":14.229617842659726,"endHours":15.229617842659726,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:14","end":"16:14","startHours":15.229617842659726,"endHours":16.229617842659728,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:14","end":"17:14","startHours":16.229617842659728,"endHours":17.229617842659728,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:14","end":"18:14","startHours":17.229617842659728,"endHours":18.229617842659728,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:14","end":"19:14","startHours":18.229617842659728,"endHours":19.229617842659728,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:14","end":"20:14","startHours":19.229617842659728,"endHours":20.229617842659728,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:14","end":"21:14","startHours":20.229617842659728,"endHours":21.229617842659728,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:14","end":"22:14","startHours":21.229617842659728,"endHours":22.229617842659728,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:14","end":"23:14","startHours":22.229617842659728,"endHours":23.229617842659728,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:14","end":"00:14","startHours":23.229617842659728,"endHours":24.229617842659728,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:14","end":"01:14","startHours":24.229617842659728,"endHours":25.229617842659728,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:14","end":"02:14","startHours":25.229617842659728,"endHours":26.229617842659728,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:14","end":"03:14","startHours":26.229617842659728,"endHours":27.229617842659728,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:14","end":"04:14","startHours":27.229617842659728,"endHours":28.229617842659728,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:14","end":"05:14","startHours":28.229617842659728,"endHours":29.229617842659728,"planetary_lord":"Mercury"}],"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":"East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":22.90856338704875,"eotMinutes":-6.049803435283957,"ayanamsa":-48.1652}},"calendars":{"vikram_samvat":-3099,"saka_samvat":-3234,"bengali_samvat":-3749,"malayalam_era":-3980,"nanakshahi_year":-4625,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Āśvina","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Caturdaśī · Vikram -3099 undefined · Śaka -3234 undefined"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi_ingress":"Kanyā"},"precedence":4},{"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":"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":true,"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 July 21, 3157 BCE · Ayodhyā · Vidhyamitra","description":"July 21, 3157 BCE for Ayodhyā: Kṛṣṇa Caturdaśī, sūryodaya 05:14, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3156-07-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3156-07-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3156-07-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3156-07-21","x-default":"https://vidhyamitra.com/city/ayodhya/-3156-07-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T01:13:48.604Z","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":"2026-06-01T01:13:48.604Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T01:13:48.604Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}