{"id":"vidhyamitra:city-day:ayodhya:1731-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1731-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1731-09-20","date_display":"September 20, 1731 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":1731,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2353556.770833,"kali_year":4833,"ahargana":1765091.2708,"sun":{"sidereal_longitude":156.3132,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":29.3789,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":233.0657,"elapsed_within_tithi_degrees":5.0657},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.3789,"elapsed_within_degrees":2.7122},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.6921},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1731,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2353556.770833,"ahargana":1765091.2708,"kali_year":4833,"ayanamsa_lahiri":20.1053,"grahas":{"sun":{"sidereal_longitude":156.40558099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":30.881281,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false,"latitude":3.321},"mars":{"sidereal_longitude":129.045881,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":186.010181,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":154.996081,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"venus":{"sidereal_longitude":148.42468099999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":344.194081,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":256.9703,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":76.9703,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"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":1731,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2353556.770833,"kali_year":4833,"ahargana":1765091.2708,"sun":{"sidereal_longitude":156.3132,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":29.3789,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":20,"name":"Pañcamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pañcamī","elongation_degrees":233.0657,"elapsed_within_tithi_degrees":5.0657},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1,"moon_longitude":29.3789,"elapsed_within_degrees":2.7122},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.6921},"karana":{"half_tithi_index":38,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.321,"elongation":126.934},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.321,"opposition_distance":53.066}},"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":"05:47","sunsetLocal":"18:00","solarNoonLocal":"11:54","dayLengthHours":12.217924700147236,"dayLengthDisplay":"12 Hours 13 Mins 05 Secs","nightLengthDisplay":"11 Hours 46 Mins 55 Secs","moonriseLocal":"20:51","moonsetLocal":"10:12","rahuKala":{"name":"Rāhu Kāla","start":"13:25","end":"14:57","startHours":13.424525341492497,"endHours":14.951765929010904,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:47","end":"07:19","startHours":5.788322403900476,"endHours":7.31556299141888,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:51","end":"10:22","startHours":8.842803578937286,"endHours":10.370044166455688,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:38","end":"09:03","startHours":8.639171500601497,"endHours":9.046435657273072,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:18","end":"06:37","startHours":6.297402599739944,"endHours":6.623213925077204,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.49002059730252,"endHours":12.30454891064567,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"04:58","startHours":4.159265777214177,"endHours":4.973794090557327,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:46","end":"05:47","startHours":4.770162012221539,"endHours":5.788322403900476,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:56","end":"14:45","startHours":13.933605537331967,"endHours":14.748133850675117,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:48","end":"18:12","startHours":17.806247104047713,"endHours":18.206247104047712,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:00","end":"18:31","startHours":18.006247104047713,"endHours":18.515327299887183,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:45","end":"19:30","startHours":17.756247104047713,"endHours":19.506247104047713,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.49002059730252,"endHours":24.304548910645668,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:47","end":"07:19","startHours":5.788322403900476,"endHours":7.31556299141888,"quality":"auspicious"},{"name":"Roga","start":"07:19","end":"08:51","startHours":7.31556299141888,"endHours":8.842803578937286,"quality":"inauspicious"},{"name":"Udveg","start":"08:51","end":"10:22","startHours":8.842803578937286,"endHours":10.370044166455688,"quality":"inauspicious"},{"name":"Chala","start":"10:22","end":"11:54","startHours":10.370044166455688,"endHours":11.897284753974095,"quality":"neutral"},{"name":"Labha","start":"11:54","end":"13:25","startHours":11.897284753974095,"endHours":13.424525341492497,"quality":"auspicious"},{"name":"Amṛta","start":"13:25","end":"14:57","startHours":13.424525341492497,"endHours":14.951765929010904,"quality":"auspicious"},{"name":"Kāla","start":"14:57","end":"16:29","startHours":14.951765929010904,"endHours":16.479006516529306,"quality":"inauspicious"},{"name":"Śubha","start":"16:29","end":"18:00","startHours":16.479006516529306,"endHours":18.006247104047713,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:00","end":"19:29","startHours":18.006247104047713,"endHours":19.47900651652931,"quality":"auspicious"},{"name":"Kāla","start":"19:29","end":"20:57","startHours":19.47900651652931,"endHours":20.951765929010904,"quality":"inauspicious"},{"name":"Śubha","start":"20:57","end":"22:25","startHours":20.951765929010904,"endHours":22.424525341492497,"quality":"auspicious"},{"name":"Roga","start":"22:25","end":"23:54","startHours":22.424525341492497,"endHours":23.897284753974095,"quality":"inauspicious"},{"name":"Udveg","start":"23:54","end":"01:22","startHours":23.897284753974095,"endHours":25.370044166455692,"quality":"inauspicious"},{"name":"Chala","start":"01:22","end":"02:51","startHours":25.370044166455692,"endHours":26.842803578937286,"quality":"neutral"},{"name":"Labha","start":"02:51","end":"04:19","startHours":26.842803578937286,"endHours":28.31556299141888,"quality":"auspicious"},{"name":"Amṛta","start":"04:19","end":"05:47","startHours":28.31556299141888,"endHours":29.788322403900477,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:47","end":"06:47","startHours":5.788322403900476,"endHours":6.788322403900476,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:47","end":"07:47","startHours":6.788322403900476,"endHours":7.788322403900476,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:47","end":"08:47","startHours":7.788322403900476,"endHours":8.788322403900477,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:47","end":"09:47","startHours":8.788322403900477,"endHours":9.788322403900477,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:47","end":"10:47","startHours":9.788322403900477,"endHours":10.788322403900477,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:47","end":"11:47","startHours":10.788322403900477,"endHours":11.788322403900477,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:47","end":"12:47","startHours":11.788322403900477,"endHours":12.788322403900477,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:47","end":"13:47","startHours":12.788322403900477,"endHours":13.788322403900477,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:47","end":"14:47","startHours":13.788322403900477,"endHours":14.788322403900477,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:47","end":"15:47","startHours":14.788322403900477,"endHours":15.788322403900477,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:47","end":"16:47","startHours":15.788322403900477,"endHours":16.788322403900477,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:47","end":"17:47","startHours":16.788322403900477,"endHours":17.788322403900477,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:47","end":"18:47","startHours":17.788322403900477,"endHours":18.788322403900477,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:47","end":"19:47","startHours":18.788322403900477,"endHours":19.788322403900477,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:47","end":"20:47","startHours":19.788322403900477,"endHours":20.788322403900477,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:47","end":"21:47","startHours":20.788322403900477,"endHours":21.788322403900477,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:47","end":"22:47","startHours":21.788322403900477,"endHours":22.788322403900477,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:47","end":"23:47","startHours":22.788322403900477,"endHours":23.788322403900477,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:47","end":"00:47","startHours":23.788322403900477,"endHours":24.788322403900477,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:47","end":"01:47","startHours":24.788322403900477,"endHours":25.788322403900477,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:47","end":"02:47","startHours":25.788322403900477,"endHours":26.788322403900477,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:47","end":"03:47","startHours":26.788322403900477,"endHours":27.788322403900477,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:47","end":"04:47","startHours":27.788322403900477,"endHours":28.788322403900477,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:47","end":"05:47","startHours":28.788322403900477,"endHours":29.788322403900477,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.387013800315625,"eotMinutes":7.346914761554353,"ayanamsa":20.1053}},"calendars":{"vikram_samvat":1788,"vikram_samvatsara":"Raktākṣī","saka_samvat":1653,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1138,"malayalam_era":907,"nanakshahi_year":262,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","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 Pañcamī · Vikram 1788 Raktākṣī · Śaka 1653 Virodhakṛt"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"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 September 20, 1731 CE · Ayodhyā · Vidhyamitra","description":"September 20, 1731 CE for Ayodhyā: Kṛṣṇa Pañcamī, sūryodaya 05:47, sūryāsta 18:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1731-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1731-09-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1731-09-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1731-09-20","x-default":"https://vidhyamitra.com/city/ayodhya/1731-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T23:34:09.079Z","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":"2026-06-01T23:34:09.079Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T23:34:09.079Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}