{"id":"vidhyamitra:city-day:ayodhya:2131-08-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2131-08-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2131-08-20","date_display":"August 20, 2131 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":2131,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499622.770833,"kali_year":5233,"ahargana":1911157.2708,"sun":{"sidereal_longitude":120.0613,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":85.9997,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.9385,"elapsed_within_tithi_degrees":1.9385},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.9997,"elapsed_within_degrees":5.9997},"yoga":{"number":16,"name":"Siddhi","sum_longitude":206.061},"karana":{"half_tithi_index":54,"name":"Gara"},"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":2131,"month":8,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2499622.770833,"ahargana":1911157.2708,"kali_year":5233,"ayanamsa_lahiri":25.6918,"grahas":{"sun":{"sidereal_longitude":121.005586,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":86.26948600000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":0.6497},"mars":{"sidereal_longitude":10.481086000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":106.180386,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":58.09398599999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":129.13358600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":193.26818600000001,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":77.6907,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":257.6907,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":2131,"month":8,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2499622.770833,"kali_year":5233,"ahargana":1911157.2708,"sun":{"sidereal_longitude":120.0613,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":85.9997,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":325.9385,"elapsed_within_tithi_degrees":1.9385},"nakshatra":{"number":7,"name":"Punarvasu","pada":2,"moon_longitude":85.9997,"elapsed_within_degrees":5.9997},"yoga":{"number":16,"name":"Siddhi","sum_longitude":206.061},"karana":{"half_tithi_index":54,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.65,"elongation":34.062},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.65,"opposition_distance":145.938}},"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":"05:34","sunsetLocal":"18:34","solarNoonLocal":"12:04","dayLengthHours":12.993827444885905,"dayLengthDisplay":"12 Hours 59 Mins 38 Secs","nightLengthDisplay":"11 Hours 00 Mins 22 Secs","moonriseLocal":"02:56","moonsetLocal":"16:34","rahuKala":{"name":"Rāhu Kāla","start":"07:12","end":"08:49","startHours":7.197881556676622,"endHours":8.82210998728736,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:27","end":"12:04","startHours":10.446338417898097,"endHours":12.070566848508836,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:42","end":"15:19","startHours":13.694795279119575,"endHours":15.319023709730313,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:02","startHours":8.605546196539262,"endHours":9.03867377803546,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:07","end":"06:28","startHours":6.11506260293613,"endHours":6.461564668133088,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:38","end":"12:30","startHours":11.63743926701264,"endHours":12.503694430005035,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:50","end":"04:42","startHours":3.841142800081097,"endHours":4.707397963073491,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:29","end":"05:34","startHours":4.490834172325392,"endHours":5.573653126065884,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:06","startHours":14.23620475598982,"endHours":15.102459918982214,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:22","end":"18:46","startHours":18.36748057095179,"endHours":18.76748057095179,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:34","end":"19:07","startHours":18.56748057095179,"endHours":19.108890047822037,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:19","end":"20:04","startHours":18.31748057095179,"endHours":20.06748057095179,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:38","end":"00:30","startHours":23.637439267012642,"endHours":24.503694430005037,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:34","end":"07:12","startHours":5.573653126065884,"endHours":7.197881556676622,"quality":"auspicious"},{"name":"Kāla","start":"07:12","end":"08:49","startHours":7.197881556676622,"endHours":8.82210998728736,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:27","startHours":8.82210998728736,"endHours":10.446338417898097,"quality":"auspicious"},{"name":"Roga","start":"10:27","end":"12:04","startHours":10.446338417898097,"endHours":12.070566848508836,"quality":"inauspicious"},{"name":"Udveg","start":"12:04","end":"13:42","startHours":12.070566848508836,"endHours":13.694795279119575,"quality":"inauspicious"},{"name":"Chala","start":"13:42","end":"15:19","startHours":13.694795279119575,"endHours":15.319023709730313,"quality":"neutral"},{"name":"Labha","start":"15:19","end":"16:57","startHours":15.319023709730313,"endHours":16.943252140341052,"quality":"auspicious"},{"name":"Amṛta","start":"16:57","end":"18:34","startHours":16.943252140341052,"endHours":18.56748057095179,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:34","end":"19:57","startHours":18.56748057095179,"endHours":19.943252140341052,"quality":"neutral"},{"name":"Labha","start":"19:57","end":"21:19","startHours":19.943252140341052,"endHours":21.319023709730313,"quality":"auspicious"},{"name":"Amṛta","start":"21:19","end":"22:42","startHours":21.319023709730313,"endHours":22.694795279119575,"quality":"auspicious"},{"name":"Kāla","start":"22:42","end":"00:04","startHours":22.694795279119575,"endHours":24.07056684850884,"quality":"inauspicious"},{"name":"Śubha","start":"00:04","end":"01:27","startHours":24.07056684850884,"endHours":25.446338417898097,"quality":"auspicious"},{"name":"Roga","start":"01:27","end":"02:49","startHours":25.446338417898097,"endHours":26.822109987287362,"quality":"inauspicious"},{"name":"Udveg","start":"02:49","end":"04:12","startHours":26.822109987287362,"endHours":28.197881556676624,"quality":"inauspicious"},{"name":"Chala","start":"04:12","end":"05:34","startHours":28.197881556676624,"endHours":29.573653126065885,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:34","end":"06:34","startHours":5.573653126065884,"endHours":6.573653126065884,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:34","end":"07:34","startHours":6.573653126065884,"endHours":7.573653126065884,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:34","end":"08:34","startHours":7.573653126065884,"endHours":8.573653126065885,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:34","end":"09:34","startHours":8.573653126065885,"endHours":9.573653126065885,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:34","end":"10:34","startHours":9.573653126065885,"endHours":10.573653126065885,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:34","end":"11:34","startHours":10.573653126065885,"endHours":11.573653126065885,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:34","end":"12:34","startHours":11.573653126065885,"endHours":12.573653126065885,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:34","end":"13:34","startHours":12.573653126065885,"endHours":13.573653126065885,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:34","end":"14:34","startHours":13.573653126065885,"endHours":14.573653126065885,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:34","end":"15:34","startHours":14.573653126065885,"endHours":15.573653126065885,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:34","end":"16:34","startHours":15.573653126065885,"endHours":16.573653126065885,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:34","end":"17:34","startHours":16.573653126065885,"endHours":17.573653126065885,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:34","end":"18:34","startHours":17.573653126065885,"endHours":18.573653126065885,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:34","end":"19:34","startHours":18.573653126065885,"endHours":19.573653126065885,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:34","end":"20:34","startHours":19.573653126065885,"endHours":20.573653126065885,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:34","end":"21:34","startHours":20.573653126065885,"endHours":21.573653126065885,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:34","end":"22:34","startHours":21.573653126065885,"endHours":22.573653126065885,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:34","end":"23:34","startHours":22.573653126065885,"endHours":23.573653126065885,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:34","end":"00:34","startHours":23.573653126065885,"endHours":24.573653126065885,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:34","end":"01:34","startHours":24.573653126065885,"endHours":25.573653126065885,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:34","end":"02:34","startHours":25.573653126065885,"endHours":26.573653126065885,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:34","end":"03:34","startHours":26.573653126065885,"endHours":27.573653126065885,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:34","end":"04:34","startHours":27.573653126065885,"endHours":28.573653126065885,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:34","end":"05:34","startHours":28.573653126065885,"endHours":29.573653126065885,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"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":"North-East","anandadiYoga":{"name":"Chatra","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":12.613862987501225,"eotMinutes":-3.0500109105302213,"ayanamsa":25.6918}},"calendars":{"vikram_samvat":2188,"vikram_samvatsara":"Krodhi","saka_samvat":2053,"saka_samvatsara":"Khara","bengali_samvat":1538,"malayalam_era":1307,"nanakshahi_year":662,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2188 Krodhi · Śaka 2053 Khara"},"festivals":[{"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":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 August 20, 2131 CE · Ayodhyā · Vidhyamitra","description":"August 20, 2131 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 05:34, sūryāsta 18:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2131-08-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2131-08-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/2131-08-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/2131-08-20","x-default":"https://vidhyamitra.com/city/ayodhya/2131-08-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T09:24:12.362Z","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":"2026-05-17T09:24:12.362Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T09:24:12.362Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}