{"id":"vidhyamitra:city-day:ayodhya:-3173-10-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/-3173-10-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"-3173-10-20","date_display":"October 20, 3174 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":-3173,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":562411.770833,"kali_year":-71,"ahargana":-26053.7292,"sun":{"sidereal_longitude":240.7106,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":143.1741,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.4635,"elapsed_within_tithi_degrees":10.4635},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":143.1741,"elapsed_within_degrees":9.8408},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.8847},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":-3173,"month":10,"day":20,"hour":6,"minute":30,"calendar":"julian"},"julian_day":562411.770833,"ahargana":-26053.7292,"kali_year":-71,"ayanamsa_lahiri":-48.3993,"grahas":{"sun":{"sidereal_longitude":240.7106,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":143.1741,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false,"latitude":1.7367},"mars":{"sidereal_longitude":5.0434,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":254.2759,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":345.427,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":288.1728,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":216.1047,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":120.452,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":300.452,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"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":-3173,"month":10,"day":20,"hour":6,"minute":30,"second":0,"calendar":"julian"},"julian_day":562411.770833,"kali_year":-71,"ahargana":-26053.7292,"sun":{"sidereal_longitude":240.7106,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":143.1741,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":262.4635,"elapsed_within_tithi_degrees":10.4635},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3,"moon_longitude":143.1741,"elapsed_within_degrees":9.8408},"yoga":{"number":2,"name":"Prīti","sum_longitude":23.8847},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.737,"elongation":97.537},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.737,"opposition_distance":82.463}},"eclipse_window_40days":[]},"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":"05:52","sunsetLocal":"17:39","solarNoonLocal":"11:45","dayLengthHours":11.79642205734563,"dayLengthDisplay":"11 Hours 47 Mins 47 Secs","nightLengthDisplay":"12 Hours 12 Mins 13 Secs","moonriseLocal":"22:22","moonsetLocal":"12:09","rahuKala":{"name":"Rāhu Kāla","start":"10:17","end":"11:45","startHours":10.283566055427944,"endHours":11.758118812596148,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:42","end":"16:11","startHours":14.707224326932554,"endHours":16.18177708410076,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:20","end":"08:49","startHours":7.334460541091536,"endHours":8.809013298259739,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:00","startHours":8.612406263970646,"endHours":9.005620332548833,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:40","startHours":6.3514253696460665,"endHours":6.665996624508617,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:09","startHours":11.364904744017961,"endHours":12.151332881174335,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:04","startHours":4.287051509610581,"endHours":5.073479646766957,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:52","startHours":4.876872612477863,"endHours":5.859907783923332,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:31","startHours":13.724189155487085,"endHours":14.510617292643461,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.456329841268964,"endHours":17.856329841268963,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:09","startHours":17.656329841268963,"endHours":18.1478474269917,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.406329841268963,"endHours":19.156329841268963,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:09","startHours":23.36490474401796,"endHours":24.151332881174337,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:52","end":"07:20","startHours":5.859907783923332,"endHours":7.334460541091536,"quality":"neutral"},{"name":"Labha","start":"07:20","end":"08:49","startHours":7.334460541091536,"endHours":8.809013298259739,"quality":"auspicious"},{"name":"Amṛta","start":"08:49","end":"10:17","startHours":8.809013298259739,"endHours":10.283566055427944,"quality":"auspicious"},{"name":"Kāla","start":"10:17","end":"11:45","startHours":10.283566055427944,"endHours":11.758118812596148,"quality":"inauspicious"},{"name":"Śubha","start":"11:45","end":"13:14","startHours":11.758118812596148,"endHours":13.232671569764351,"quality":"auspicious"},{"name":"Roga","start":"13:14","end":"14:42","startHours":13.232671569764351,"endHours":14.707224326932554,"quality":"inauspicious"},{"name":"Udveg","start":"14:42","end":"16:11","startHours":14.707224326932554,"endHours":16.18177708410076,"quality":"inauspicious"},{"name":"Chala","start":"16:11","end":"17:39","startHours":16.18177708410076,"endHours":17.656329841268963,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:39","end":"19:11","startHours":17.656329841268963,"endHours":19.18177708410076,"quality":"inauspicious"},{"name":"Udveg","start":"19:11","end":"20:42","startHours":19.18177708410076,"endHours":20.707224326932554,"quality":"inauspicious"},{"name":"Chala","start":"20:42","end":"22:14","startHours":20.707224326932554,"endHours":22.232671569764353,"quality":"neutral"},{"name":"Labha","start":"22:14","end":"23:45","startHours":22.232671569764353,"endHours":23.758118812596148,"quality":"auspicious"},{"name":"Amṛta","start":"23:45","end":"01:17","startHours":23.758118812596148,"endHours":25.283566055427944,"quality":"auspicious"},{"name":"Kāla","start":"01:17","end":"02:49","startHours":25.283566055427944,"endHours":26.809013298259742,"quality":"inauspicious"},{"name":"Śubha","start":"02:49","end":"04:20","startHours":26.809013298259742,"endHours":28.334460541091538,"quality":"auspicious"},{"name":"Roga","start":"04:20","end":"05:52","startHours":28.334460541091538,"endHours":29.859907783923333,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.859907783923332,"endHours":6.859907783923332,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.859907783923332,"endHours":7.859907783923332,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.859907783923332,"endHours":8.859907783923333,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.859907783923333,"endHours":9.859907783923333,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.859907783923333,"endHours":10.859907783923333,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.859907783923333,"endHours":11.859907783923333,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.859907783923333,"endHours":12.859907783923333,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.859907783923333,"endHours":13.859907783923333,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.859907783923333,"endHours":14.859907783923333,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.859907783923333,"endHours":15.859907783923333,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.859907783923333,"endHours":16.859907783923333,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.859907783923333,"endHours":17.859907783923333,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.859907783923333,"endHours":18.859907783923333,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.859907783923333,"endHours":19.859907783923333,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.859907783923333,"endHours":20.859907783923333,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.859907783923333,"endHours":21.859907783923333,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.859907783923333,"endHours":22.859907783923333,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.859907783923333,"endHours":23.859907783923333,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.859907783923333,"endHours":24.859907783923333,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.859907783923333,"endHours":25.859907783923333,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.859907783923333,"endHours":26.859907783923333,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.859907783923333,"endHours":27.859907783923333,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.859907783923333,"endHours":28.859907783923333,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.859907783923333,"endHours":29.859907783923333,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"West (Paścim)","chandraVasa":"West","rahuVasa":"South-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-4.864854215448402,"eotMinutes":15.696871244231174,"ayanamsa":-48.3993}},"calendars":{"vikram_samvat":-3116,"saka_samvat":-3251,"saka_samvatsara":"Prabhava","bengali_samvat":-3766,"malayalam_era":-3997,"nanakshahi_year":-4642,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa 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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Saptamī · Vikram -3116 undefined · Śaka -3251 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 October 20, 3174 BCE · Ayodhyā · Vidhyamitra","description":"October 20, 3174 BCE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 05:52, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/-3173-10-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/-3173-10-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/-3173-10-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/-3173-10-20","x-default":"https://vidhyamitra.com/city/ayodhya/-3173-10-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:41:10.893Z","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":"2026-06-01T09:41:10.893Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:41:10.893Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}