{"id":"vidhyamitra:city-day:ayodhya:1712-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1712-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1712-05-20","date_display":"May 20, 1712 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":1712,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2346494.770833,"kali_year":4814,"ahargana":1758029.2708,"sun":{"sidereal_longitude":39.7507,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":209.3142,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5635,"elapsed_within_tithi_degrees":1.5635},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.3142,"elapsed_within_degrees":9.3142},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.0649},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1712,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2346494.770833,"ahargana":1758029.2708,"kali_year":4814,"ayanamsa_lahiri":19.8352,"grahas":{"sun":{"sidereal_longitude":39.15180099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":208.96930099999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-3.9662},"mars":{"sidereal_longitude":26.372300999999993,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":63.25410099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":291.331901,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"venus":{"sidereal_longitude":16.254201000000023,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":112.38910099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":271.149,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":91.149,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","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":1712,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2346494.770833,"kali_year":4814,"ahargana":1758029.2708,"sun":{"sidereal_longitude":39.7507,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":209.3142,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5635,"elapsed_within_tithi_degrees":1.5635},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":209.3142,"elapsed_within_degrees":9.3142},"yoga":{"number":19,"name":"Parigha","sum_longitude":249.0649},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.966,"elongation":169.563},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.966,"opposition_distance":10.437}},"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":"05:11","sunsetLocal":"18:44","solarNoonLocal":"11:58","dayLengthHours":13.541973992449236,"dayLengthDisplay":"13 Hours 32 Mins 31 Secs","nightLengthDisplay":"10 Hours 27 Mins 29 Secs","moonriseLocal":"17:51","moonsetLocal":"04:43","rahuKala":{"name":"Rāhu Kāla","start":"10:16","end":"11:58","startHours":10.267014700674093,"endHours":11.959761449730248,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:21","end":"17:02","startHours":15.345254947842557,"endHours":17.03800169689871,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:34","startHours":6.8815212025617845,"endHours":8.574267951617939,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.348568385077119,"endHours":8.799967518158759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.753023369857681,"endHours":6.114142676322994,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.508362316648606,"endHours":12.41116058281189,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:17","startHours":3.3831779211790654,"endHours":4.285976187342348,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:04","end":"05:11","startHours":4.060276620801527,"endHours":5.18877445350563,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.216757115138455,"endHours":15.119555381301737,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.530748445954867,"endHours":18.930748445954865,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.730748445954866,"endHours":19.29499736230692,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.480748445954866,"endHours":20.230748445954866,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.508362316648608,"endHours":24.41116058281189,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:11","end":"06:53","startHours":5.18877445350563,"endHours":6.8815212025617845,"quality":"neutral"},{"name":"Labha","start":"06:53","end":"08:34","startHours":6.8815212025617845,"endHours":8.574267951617939,"quality":"auspicious"},{"name":"Amṛta","start":"08:34","end":"10:16","startHours":8.574267951617939,"endHours":10.267014700674093,"quality":"auspicious"},{"name":"Kāla","start":"10:16","end":"11:58","startHours":10.267014700674093,"endHours":11.959761449730248,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:39","startHours":11.959761449730248,"endHours":13.652508198786403,"quality":"auspicious"},{"name":"Roga","start":"13:39","end":"15:21","startHours":13.652508198786403,"endHours":15.345254947842557,"quality":"inauspicious"},{"name":"Udveg","start":"15:21","end":"17:02","startHours":15.345254947842557,"endHours":17.03800169689871,"quality":"inauspicious"},{"name":"Chala","start":"17:02","end":"18:44","startHours":17.03800169689871,"endHours":18.730748445954866,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:44","end":"20:02","startHours":18.730748445954866,"endHours":20.03800169689871,"quality":"inauspicious"},{"name":"Udveg","start":"20:02","end":"21:21","startHours":20.03800169689871,"endHours":21.345254947842555,"quality":"inauspicious"},{"name":"Chala","start":"21:21","end":"22:39","startHours":21.345254947842555,"endHours":22.652508198786403,"quality":"neutral"},{"name":"Labha","start":"22:39","end":"23:58","startHours":22.652508198786403,"endHours":23.959761449730248,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:16","startHours":23.959761449730248,"endHours":25.267014700674093,"quality":"auspicious"},{"name":"Kāla","start":"01:16","end":"02:34","startHours":25.267014700674093,"endHours":26.57426795161794,"quality":"inauspicious"},{"name":"Śubha","start":"02:34","end":"03:53","startHours":26.57426795161794,"endHours":27.881521202561785,"quality":"auspicious"},{"name":"Roga","start":"03:53","end":"05:11","startHours":27.881521202561785,"endHours":29.18877445350563,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.18877445350563,"endHours":6.18877445350563,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.18877445350563,"endHours":7.18877445350563,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.18877445350563,"endHours":8.18877445350563,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.18877445350563,"endHours":9.18877445350563,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.18877445350563,"endHours":10.18877445350563,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.18877445350563,"endHours":11.18877445350563,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.18877445350563,"endHours":12.18877445350563,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.18877445350563,"endHours":13.18877445350563,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.18877445350563,"endHours":14.18877445350563,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.18877445350563,"endHours":15.18877445350563,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.18877445350563,"endHours":16.18877445350563,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.18877445350563,"endHours":17.18877445350563,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.18877445350563,"endHours":18.18877445350563,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.18877445350563,"endHours":19.18877445350563,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.18877445350563,"endHours":20.18877445350563,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.18877445350563,"endHours":21.18877445350563,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.18877445350563,"endHours":22.18877445350563,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.18877445350563,"endHours":23.18877445350563,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.18877445350563,"endHours":24.18877445350563,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.18877445350563,"endHours":25.18877445350563,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.18877445350563,"endHours":26.18877445350563,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.18877445350563,"endHours":27.18877445350563,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.18877445350563,"endHours":28.18877445350563,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.18877445350563,"endHours":29.18877445350563,"planetary_lord":"Mars"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.930301030400255,"eotMinutes":3.5983130161851964,"ayanamsa":19.8352}},"calendars":{"vikram_samvat":1769,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1634,"saka_samvatsara":"Nandana","bengali_samvat":1119,"malayalam_era":888,"nanakshahi_year":243,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Vaiśākha","lunar_month_amanta":"Vaiśākha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛṣabha (Vaikāsi)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pūrṇimā · Vikram 1769 Viśvāvasu · Śaka 1634 Nandana"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"id":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā + Viśākhā","url":"/day/-0562-04-11","relevance":1},{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","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 May 20, 1712 CE · Ayodhyā · Vidhyamitra","description":"May 20, 1712 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 05:11, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1712-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1712-05-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1712-05-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1712-05-20","x-default":"https://vidhyamitra.com/city/ayodhya/1712-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T13:23:24.361Z","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":"2026-06-01T13:23:24.361Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T13:23:24.361Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}