{"id":"vidhyamitra:city-day:ayodhya:2137-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2137-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-08-20","date_display":"August 20, 2137 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":2137,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501814.770833,"kali_year":5239,"ahargana":1913349.2708,"sun":{"sidereal_longitude":120.4894,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":159.3268,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.8373,"elapsed_within_tithi_degrees":2.8373},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.3268,"elapsed_within_degrees":12.6601},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.8162},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2137,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501814.770833,"ahargana":1913349.2708,"kali_year":5239,"ayanamsa_lahiri":25.7756,"grahas":{"sun":{"sidereal_longitude":121.45133600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":158.30433599999992,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-1.3728},"mars":{"sidereal_longitude":72.48333600000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":101.161136,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":210.253336,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":92.951236,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":261.67553599999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":321.5479,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":141.5479,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2137,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501814.770833,"kali_year":5239,"ahargana":1913349.2708,"sun":{"sidereal_longitude":120.4894,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":159.3268,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":38.8373,"elapsed_within_tithi_degrees":2.8373},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":159.3268,"elapsed_within_degrees":12.6601},"yoga":{"number":21,"name":"Siddha","sum_longitude":279.8162},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.373,"elongation":38.837},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.373,"opposition_distance":141.163}},"eclipse_window_40days":[{"offset_days":11,"type":"lunar","occurs":true,"moon_latitude":-0.6,"opposition_distance":2.249}]},"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":12.980847656317774,"dayLengthDisplay":"12 Hours 58 Mins 51 Secs","nightLengthDisplay":"11 Hours 01 Mins 09 Secs","moonriseLocal":"08:32","moonsetLocal":"20:31","rahuKala":{"name":"Rāhu Kāla","start":"15:19","end":"16:56","startHours":15.31577876258828,"endHours":16.938384719628,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:50","end":"10:27","startHours":8.825354934429393,"endHours":10.447960891469116,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:04","end":"13:42","startHours":12.070566848508836,"endHours":13.69317280554856,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:03","startHours":8.609007473490763,"endHours":9.041702395368024,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.121011672696524,"endHours":6.467167610198331,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.637871926631579,"endHours":12.503261770386096,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:51","end":"04:43","startHours":3.8493633328409134,"endHours":4.714753176595432,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:30","end":"05:35","startHours":4.498405715656801,"endHours":5.58014302034995,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.234041457895135,"endHours":15.099431301649654,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.360990676667726,"endHours":18.760990676667724,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:06","startHours":18.560990676667725,"endHours":19.1018593290143,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.310990676667725,"endHours":20.060990676667725,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.63787192663158,"endHours":24.5032617703861,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:35","end":"07:12","startHours":5.58014302034995,"endHours":7.202748977389671,"quality":"inauspicious"},{"name":"Udveg","start":"07:12","end":"08:50","startHours":7.202748977389671,"endHours":8.825354934429393,"quality":"inauspicious"},{"name":"Chala","start":"08:50","end":"10:27","startHours":8.825354934429393,"endHours":10.447960891469116,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"12:04","startHours":10.447960891469116,"endHours":12.070566848508836,"quality":"auspicious"},{"name":"Amṛta","start":"12:04","end":"13:42","startHours":12.070566848508836,"endHours":13.69317280554856,"quality":"auspicious"},{"name":"Kāla","start":"13:42","end":"15:19","startHours":13.69317280554856,"endHours":15.31577876258828,"quality":"inauspicious"},{"name":"Śubha","start":"15:19","end":"16:56","startHours":15.31577876258828,"endHours":16.938384719628,"quality":"auspicious"},{"name":"Roga","start":"16:56","end":"18:34","startHours":16.938384719628,"endHours":18.560990676667725,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:34","end":"19:56","startHours":18.560990676667725,"endHours":19.938384719628004,"quality":"inauspicious"},{"name":"Śubha","start":"19:56","end":"21:19","startHours":19.938384719628004,"endHours":21.31577876258828,"quality":"auspicious"},{"name":"Roga","start":"21:19","end":"22:42","startHours":21.31577876258828,"endHours":22.69317280554856,"quality":"inauspicious"},{"name":"Udveg","start":"22:42","end":"00:04","startHours":22.69317280554856,"endHours":24.07056684850884,"quality":"inauspicious"},{"name":"Chala","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.447960891469116,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"02:50","startHours":25.447960891469116,"endHours":26.825354934429395,"quality":"auspicious"},{"name":"Amṛta","start":"02:50","end":"04:12","startHours":26.825354934429395,"endHours":28.202748977389675,"quality":"auspicious"},{"name":"Kāla","start":"04:12","end":"05:35","startHours":28.202748977389675,"endHours":29.58014302034995,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:35","end":"06:35","startHours":5.58014302034995,"endHours":6.58014302034995,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:35","end":"07:35","startHours":6.58014302034995,"endHours":7.58014302034995,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:35","end":"08:35","startHours":7.58014302034995,"endHours":8.58014302034995,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:35","end":"09:35","startHours":8.58014302034995,"endHours":9.58014302034995,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:35","end":"10:35","startHours":9.58014302034995,"endHours":10.58014302034995,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:35","end":"11:35","startHours":10.58014302034995,"endHours":11.58014302034995,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:35","end":"12:35","startHours":11.58014302034995,"endHours":12.58014302034995,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:35","end":"13:35","startHours":12.58014302034995,"endHours":13.58014302034995,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:35","end":"14:35","startHours":13.58014302034995,"endHours":14.58014302034995,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:35","end":"15:35","startHours":14.58014302034995,"endHours":15.58014302034995,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:35","end":"16:35","startHours":15.58014302034995,"endHours":16.58014302034995,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:35","end":"17:35","startHours":16.58014302034995,"endHours":17.58014302034995,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:35","end":"18:35","startHours":17.58014302034995,"endHours":18.58014302034995,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:35","end":"19:35","startHours":18.58014302034995,"endHours":19.58014302034995,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:35","end":"20:35","startHours":19.58014302034995,"endHours":20.58014302034995,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:35","end":"21:35","startHours":20.58014302034995,"endHours":21.58014302034995,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:35","end":"22:35","startHours":21.58014302034995,"endHours":22.58014302034995,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:35","end":"23:35","startHours":22.58014302034995,"endHours":23.58014302034995,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:35","end":"00:35","startHours":23.58014302034995,"endHours":24.58014302034995,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:35","end":"01:35","startHours":24.58014302034995,"endHours":25.58014302034995,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:35","end":"02:35","startHours":25.58014302034995,"endHours":26.58014302034995,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:35","end":"03:35","startHours":26.58014302034995,"endHours":27.58014302034995,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:35","end":"04:35","startHours":27.58014302034995,"endHours":28.58014302034995,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:35","end":"05:35","startHours":28.58014302034995,"endHours":29.58014302034995,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":12.432995898527993,"eotMinutes":-3.0500109105302213,"ayanamsa":25.7756}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Caturthī · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"festivals":[{"id":"ganesha-chaturthi","name":"Gaṇeśa Caturthī","name_sanskrit":"गणेश चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Gaṇeśa's birth day; 11-day festival in Maharashtra.","vrata":false,"detection":{"tithi_number":4,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":1},{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 2137 CE · Ayodhyā · Vidhyamitra","description":"August 20, 2137 CE for Ayodhyā: Śukla Caturthī, sūryodaya 05:35, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2137-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2137-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2137-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2137-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/2137-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T01:51:04.499Z","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":"2026-05-18T01:51:04.499Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T01:51:04.499Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}