{"id":"vidhyamitra:city-day:ayodhya:1661-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1661-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1661-08-20","date_display":"August 20, 1661 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":1661,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327959.770833,"kali_year":4763,"ahargana":1739494.2708,"sun":{"sidereal_longitude":128.3208,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":72.9358,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.615,"elapsed_within_tithi_degrees":4.615},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.9358,"elapsed_within_degrees":6.2692},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.2567},"karana":{"half_tithi_index":50,"name":"Bava"},"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":1661,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2327959.770833,"ahargana":1739494.2708,"kali_year":4763,"ayanamsa_lahiri":19.1263,"grahas":{"sun":{"sidereal_longitude":128.165775,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":74.68487500000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-4.4275},"mars":{"sidereal_longitude":63.56177500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":158.002475,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":177.48647499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":145.55447500000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":213.524175,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":173.2225,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":353.2225,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":1661,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2327959.770833,"kali_year":4763,"ahargana":1739494.2708,"sun":{"sidereal_longitude":128.3208,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":72.9358,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":304.615,"elapsed_within_tithi_degrees":4.615},"nakshatra":{"number":6,"name":"Ārdrā","pada":2,"moon_longitude":72.9358,"elapsed_within_degrees":6.2692},"yoga":{"number":16,"name":"Siddhi","sum_longitude":201.2567},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.428,"elongation":55.385},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.428,"opposition_distance":124.615}},"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":12.979247835432798,"dayLengthDisplay":"12 Hours 58 Mins 45 Secs","nightLengthDisplay":"11 Hours 01 Mins 15 Secs","moonriseLocal":"01:37","moonsetLocal":"15:24","rahuKala":{"name":"Rāhu Kāla","start":"08:50","end":"10:27","startHours":8.825754889650637,"endHours":10.448160869079736,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:42","end":"15:19","startHours":13.692972827937936,"endHours":15.315378807367036,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:35","end":"07:12","startHours":5.580942930792438,"endHours":7.203348910221537,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:03","startHours":8.609434092393425,"endHours":9.04207568690785,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.121744923935472,"endHours":6.467858199547013,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.63792525399441,"endHours":12.503208443023265,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:43","startHours":3.8503765527347316,"endHours":4.715659741763585,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:35","startHours":4.499338944506372,"endHours":5.580942930792438,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.23377482108097,"endHours":15.099058010109824,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.360190766225237,"endHours":18.760190766225236,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:06","startHours":18.560190766225237,"endHours":19.10099275936827,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.310190766225237,"endHours":20.060190766225237,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.637925253994414,"endHours":24.503208443023265,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:35","end":"07:12","startHours":5.580942930792438,"endHours":7.203348910221537,"quality":"inauspicious"},{"name":"Śubha","start":"07:12","end":"08:50","startHours":7.203348910221537,"endHours":8.825754889650637,"quality":"auspicious"},{"name":"Roga","start":"08:50","end":"10:27","startHours":8.825754889650637,"endHours":10.448160869079736,"quality":"inauspicious"},{"name":"Udveg","start":"10:27","end":"12:04","startHours":10.448160869079736,"endHours":12.070566848508836,"quality":"inauspicious"},{"name":"Chala","start":"12:04","end":"13:42","startHours":12.070566848508836,"endHours":13.692972827937936,"quality":"neutral"},{"name":"Labha","start":"13:42","end":"15:19","startHours":13.692972827937936,"endHours":15.315378807367036,"quality":"auspicious"},{"name":"Amṛta","start":"15:19","end":"16:56","startHours":15.315378807367036,"endHours":16.937784786796136,"quality":"auspicious"},{"name":"Kāla","start":"16:56","end":"18:34","startHours":16.937784786796136,"endHours":18.560190766225237,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:34","end":"19:56","startHours":18.560190766225237,"endHours":19.937784786796136,"quality":"auspicious"},{"name":"Amṛta","start":"19:56","end":"21:19","startHours":19.937784786796136,"endHours":21.315378807367036,"quality":"auspicious"},{"name":"Kāla","start":"21:19","end":"22:42","startHours":21.315378807367036,"endHours":22.692972827937936,"quality":"inauspicious"},{"name":"Śubha","start":"22:42","end":"00:04","startHours":22.692972827937936,"endHours":24.07056684850884,"quality":"auspicious"},{"name":"Roga","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.448160869079736,"quality":"inauspicious"},{"name":"Udveg","start":"01:27","end":"02:50","startHours":25.448160869079736,"endHours":26.82575488965064,"quality":"inauspicious"},{"name":"Chala","start":"02:50","end":"04:12","startHours":26.82575488965064,"endHours":28.20334891022154,"quality":"neutral"},{"name":"Labha","start":"04:12","end":"05:35","startHours":28.20334891022154,"endHours":29.58094293079244,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.580942930792438,"endHours":6.580942930792438,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.580942930792438,"endHours":7.580942930792438,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.580942930792438,"endHours":8.580942930792439,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.580942930792439,"endHours":9.580942930792439,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.580942930792439,"endHours":10.580942930792439,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.580942930792439,"endHours":11.580942930792439,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.580942930792439,"endHours":12.580942930792439,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.580942930792439,"endHours":13.580942930792439,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.580942930792439,"endHours":14.580942930792439,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.580942930792439,"endHours":15.580942930792439,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.580942930792439,"endHours":16.58094293079244,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.58094293079244,"endHours":17.58094293079244,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.58094293079244,"endHours":18.58094293079244,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.58094293079244,"endHours":19.58094293079244,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.58094293079244,"endHours":20.58094293079244,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.58094293079244,"endHours":21.58094293079244,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.58094293079244,"endHours":22.58094293079244,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.58094293079244,"endHours":23.58094293079244,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.58094293079244,"endHours":24.58094293079244,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.58094293079244,"endHours":25.58094293079244,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.58094293079244,"endHours":26.58094293079244,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.58094293079244,"endHours":27.58094293079244,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.58094293079244,"endHours":28.58094293079244,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.58094293079244,"endHours":29.58094293079244,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.410681655995567,"eotMinutes":-3.0500109105302213,"ayanamsa":19.1263}},"calendars":{"vikram_samvat":1718,"vikram_samvatsara":"Ānanda","saka_samvat":1583,"saka_samvatsara":"Plava","bengali_samvat":1068,"malayalam_era":837,"nanakshahi_year":192,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","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 Kṛṣṇa Ekādaśī · Vikram 1718 Ānanda · Śaka 1583 Plava"},"festivals":[{"id":"indira-ekadashi","name":"Indirā Ekādaśī","name_sanskrit":"इन्दिरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Falls in Pitṛ Pakṣa; liberates ancestors from naraka.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":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, 1661 CE · Ayodhyā · Vidhyamitra","description":"August 20, 1661 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 05:35, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1661-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1661-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1661-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1661-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/1661-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T00:22:31.193Z","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":"2026-06-05T00:22:31.193Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T00:22:31.193Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}