{"id":"vidhyamitra:city-day:ayodhya:1781-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1781-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1781-08-20","date_display":"August 20, 1781 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":1781,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371788.770833,"kali_year":4883,"ahargana":1783323.2708,"sun":{"sidereal_longitude":126.3516,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":130.2715,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.92,"elapsed_within_tithi_degrees":3.92},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.2715,"elapsed_within_degrees":10.2715},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.6231},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"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":1781,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2371788.770833,"ahargana":1783323.2708,"kali_year":4883,"ayanamsa_lahiri":20.8026,"grahas":{"sun":{"sidereal_longitude":126.47768499999995,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":131.86568499999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":3.9226},"mars":{"sidereal_longitude":267.13898500000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":115.612885,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":211.603885,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":150.93238499999995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":235.36728500000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":10.9512,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":190.9512,"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":1781,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2371788.770833,"kali_year":4883,"ahargana":1783323.2708,"sun":{"sidereal_longitude":126.3516,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":130.2715,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":3.92,"elapsed_within_tithi_degrees":3.92},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":130.2715,"elapsed_within_degrees":10.2715},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.6231},"karana":{"half_tithi_index":0,"name":"Kiṃstughna"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.923,"elongation":3.92},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.923,"opposition_distance":176.08}},"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":"05:35","sunsetLocal":"18:34","solarNoonLocal":"12:04","dayLengthHours":12.979537450608571,"dayLengthDisplay":"12 Hours 58 Mins 46 Secs","nightLengthDisplay":"11 Hours 01 Mins 14 Secs","moonriseLocal":"06:02","moonsetLocal":"18:50","rahuKala":{"name":"Rāhu Kāla","start":"07:12","end":"08:50","startHours":7.203240304530622,"endHours":8.825682485856694,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:27","end":"12:04","startHours":10.448124667182764,"endHours":12.070566848508836,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:19","startHours":13.693009029834908,"endHours":15.31545121116098,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:03","startHours":8.609356861679885,"endHours":9.042008110033503,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.121612183646575,"endHours":6.467733182329471,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.63791560015522,"endHours":12.503218096862456,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:43","startHours":3.8501931297900747,"endHours":4.715495626497313,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:35","startHours":4.499170002320503,"endHours":5.580798123204551,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.233823090276932,"endHours":15.09912558698417,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.360335573813124,"endHours":18.760335573813123,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:06","startHours":18.560335573813123,"endHours":19.101149634255147,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.310335573813123,"endHours":20.060335573813123,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.63791560015522,"endHours":24.503218096862458,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:35","end":"07:12","startHours":5.580798123204551,"endHours":7.203240304530622,"quality":"auspicious"},{"name":"Kāla","start":"07:12","end":"08:50","startHours":7.203240304530622,"endHours":8.825682485856694,"quality":"inauspicious"},{"name":"Śubha","start":"08:50","end":"10:27","startHours":8.825682485856694,"endHours":10.448124667182764,"quality":"auspicious"},{"name":"Roga","start":"10:27","end":"12:04","startHours":10.448124667182764,"endHours":12.070566848508836,"quality":"inauspicious"},{"name":"Udveg","start":"12:04","end":"13:42","startHours":12.070566848508836,"endHours":13.693009029834908,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:19","startHours":13.693009029834908,"endHours":15.31545121116098,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"16:56","startHours":15.31545121116098,"endHours":16.93789339248705,"quality":"auspicious"},{"name":"Amṛta","start":"16:56","end":"18:34","startHours":16.93789339248705,"endHours":18.560335573813123,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:34","end":"19:56","startHours":18.560335573813123,"endHours":19.93789339248705,"quality":"neutral"},{"name":"Labha","start":"19:56","end":"21:19","startHours":19.93789339248705,"endHours":21.31545121116098,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:42","startHours":21.31545121116098,"endHours":22.69300902983491,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:04","startHours":22.69300902983491,"endHours":24.07056684850884,"quality":"inauspicious"},{"name":"Śubha","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.448124667182768,"quality":"auspicious"},{"name":"Roga","start":"01:27","end":"02:50","startHours":25.448124667182768,"endHours":26.825682485856696,"quality":"inauspicious"},{"name":"Udveg","start":"02:50","end":"04:12","startHours":26.825682485856696,"endHours":28.203240304530624,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:35","startHours":28.203240304530624,"endHours":29.580798123204552,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.580798123204551,"endHours":6.580798123204551,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.580798123204551,"endHours":7.580798123204551,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.580798123204551,"endHours":8.580798123204552,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.580798123204552,"endHours":9.580798123204552,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.580798123204552,"endHours":10.580798123204552,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.580798123204552,"endHours":11.580798123204552,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.580798123204552,"endHours":12.580798123204552,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.580798123204552,"endHours":13.580798123204552,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.580798123204552,"endHours":14.580798123204552,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.580798123204552,"endHours":15.580798123204552,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.580798123204552,"endHours":16.580798123204552,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.580798123204552,"endHours":17.580798123204552,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.580798123204552,"endHours":18.580798123204552,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.580798123204552,"endHours":19.580798123204552,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.580798123204552,"endHours":20.580798123204552,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.580798123204552,"endHours":21.580798123204552,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.580798123204552,"endHours":22.580798123204552,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.580798123204552,"endHours":23.580798123204552,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.580798123204552,"endHours":24.580798123204552,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.580798123204552,"endHours":25.580798123204552,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.580798123204552,"endHours":26.580798123204552,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.580798123204552,"endHours":27.580798123204552,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.580798123204552,"endHours":28.580798123204552,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.580798123204552,"endHours":29.580798123204552,"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":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.414721546331739,"eotMinutes":-3.0500109105302213,"ayanamsa":20.8026}},"calendars":{"vikram_samvat":1838,"vikram_samvatsara":"Ānanda","saka_samvat":1703,"saka_samvatsara":"Plava","bengali_samvat":1188,"malayalam_era":957,"nanakshahi_year":312,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Pratipada · Vikram 1838 Ānanda · Śaka 1703 Plava"},"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":"ayodhya"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 20, 1781 CE · Ayodhyā · Vidhyamitra","description":"August 20, 1781 CE for Ayodhyā: Śukla Pratipada, sūryodaya 05:35, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1781-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1781-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1781-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1781-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/1781-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T06:24:12.399Z","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":"2026-05-31T06:24:12.399Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T06:24:12.399Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}