{"id":"vidhyamitra:city-day:ayodhya:1680-05-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1680-05-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1680-05-20","date_display":"May 20, 1680 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":1680,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334807.770833,"kali_year":4782,"ahargana":1746342.2708,"sun":{"sidereal_longitude":40.9719,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":296.9457,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.9738,"elapsed_within_tithi_degrees":3.9738},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.9457,"elapsed_within_degrees":3.6124},"yoga":{"number":26,"name":"Indra","sum_longitude":337.9177},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"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":1680,"month":5,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2334807.770833,"ahargana":1746342.2708,"kali_year":4782,"ayanamsa_lahiri":19.3882,"grahas":{"sun":{"sidereal_longitude":40.305331000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":292.9325309999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false,"latitude":3.6131},"mars":{"sidereal_longitude":24.44473099999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":42.047631000000024,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":39.29883100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":15.875630999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":80.94133099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":170.3825,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":350.3825,"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":1680,"month":5,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2334807.770833,"kali_year":4782,"ahargana":1746342.2708,"sun":{"sidereal_longitude":40.9719,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":296.9457,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.9738,"elapsed_within_tithi_degrees":3.9738},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2,"moon_longitude":296.9457,"elapsed_within_degrees":3.6124},"yoga":{"number":26,"name":"Indra","sum_longitude":337.9177},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.613,"elongation":104.026},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.613,"opposition_distance":75.974}},"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":13.553980174033091,"dayLengthDisplay":"13 Hours 33 Mins 14 Secs","nightLengthDisplay":"10 Hours 26 Mins 46 Secs","moonriseLocal":"23:21","moonsetLocal":"10:15","rahuKala":{"name":"Rāhu Kāla","start":"06:53","end":"08:34","startHours":6.87701888446784,"endHours":8.571266406221977,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:16","end":"11:58","startHours":10.265513927976112,"endHours":11.959761449730248,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:39","end":"15:21","startHours":13.654008971484386,"endHours":15.348256493238521,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.345366736654757,"endHours":8.797166075789194,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:07","startHours":5.7475205366317486,"endHours":6.108960007939298,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:30","end":"12:25","startHours":11.507962110595813,"endHours":12.411560788864684,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:23","end":"04:17","startHours":3.375574006175958,"endHours":4.279172684444831,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:11","startHours":4.053273014877613,"endHours":5.182771362713703,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:07","startHours":14.21875814540243,"endHours":15.122356823671304,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.536751536746795,"endHours":18.936751536746794,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:18","startHours":18.736751536746794,"endHours":19.30150071066484,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.486751536746794,"endHours":20.236751536746794,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:30","end":"00:25","startHours":23.507962110595813,"endHours":24.411560788864684,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:11","end":"06:53","startHours":5.182771362713703,"endHours":6.87701888446784,"quality":"auspicious"},{"name":"Kāla","start":"06:53","end":"08:34","startHours":6.87701888446784,"endHours":8.571266406221977,"quality":"inauspicious"},{"name":"Śubha","start":"08:34","end":"10:16","startHours":8.571266406221977,"endHours":10.265513927976112,"quality":"auspicious"},{"name":"Roga","start":"10:16","end":"11:58","startHours":10.265513927976112,"endHours":11.959761449730248,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:39","startHours":11.959761449730248,"endHours":13.654008971484386,"quality":"inauspicious"},{"name":"Chala","start":"13:39","end":"15:21","startHours":13.654008971484386,"endHours":15.348256493238521,"quality":"neutral"},{"name":"Labha","start":"15:21","end":"17:03","startHours":15.348256493238521,"endHours":17.04250401499266,"quality":"auspicious"},{"name":"Amṛta","start":"17:03","end":"18:44","startHours":17.04250401499266,"endHours":18.736751536746794,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:44","end":"20:03","startHours":18.736751536746794,"endHours":20.04250401499266,"quality":"neutral"},{"name":"Labha","start":"20:03","end":"21:21","startHours":20.04250401499266,"endHours":21.348256493238523,"quality":"auspicious"},{"name":"Amṛta","start":"21:21","end":"22:39","startHours":21.348256493238523,"endHours":22.654008971484387,"quality":"auspicious"},{"name":"Kāla","start":"22:39","end":"23:58","startHours":22.654008971484387,"endHours":23.959761449730248,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:16","startHours":23.959761449730248,"endHours":25.265513927976112,"quality":"auspicious"},{"name":"Roga","start":"01:16","end":"02:34","startHours":25.265513927976112,"endHours":26.571266406221977,"quality":"inauspicious"},{"name":"Udveg","start":"02:34","end":"03:53","startHours":26.571266406221977,"endHours":27.877018884467837,"quality":"inauspicious"},{"name":"Chala","start":"03:53","end":"05:11","startHours":27.877018884467837,"endHours":29.1827713627137,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.182771362713703,"endHours":6.182771362713703,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.182771362713703,"endHours":7.182771362713703,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.182771362713703,"endHours":8.182771362713703,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.182771362713703,"endHours":9.182771362713703,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.182771362713703,"endHours":10.182771362713703,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.182771362713703,"endHours":11.182771362713703,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.182771362713703,"endHours":12.182771362713703,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.182771362713703,"endHours":13.182771362713703,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.182771362713703,"endHours":14.182771362713703,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.182771362713703,"endHours":15.182771362713703,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.182771362713703,"endHours":16.1827713627137,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.1827713627137,"endHours":17.1827713627137,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.1827713627137,"endHours":18.1827713627137,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.1827713627137,"endHours":19.1827713627137,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.1827713627137,"endHours":20.1827713627137,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.1827713627137,"endHours":21.1827713627137,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.1827713627137,"endHours":22.1827713627137,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.1827713627137,"endHours":23.1827713627137,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.1827713627137,"endHours":24.1827713627137,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.1827713627137,"endHours":25.1827713627137,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.1827713627137,"endHours":26.1827713627137,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.1827713627137,"endHours":27.1827713627137,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.1827713627137,"endHours":28.1827713627137,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.1827713627137,"endHours":29.1827713627137,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.082800766299602,"eotMinutes":3.5983130161851964,"ayanamsa":19.3882}},"calendars":{"vikram_samvat":1737,"vikram_samvatsara":"Śrīmukha","saka_samvat":1602,"saka_samvatsara":"Raudra","bengali_samvat":1087,"malayalam_era":856,"nanakshahi_year":211,"lunar_month":"Jyeṣṭha","lunar_month_paksha_full":"Jyeṣṭha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Jyeṣṭha","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":"Grīṣma (Summer)","display_summary":"Jyeṣṭha Kṛṣṇa Saptamī · Vikram 1737 Śrīmukha · Śaka 1602 Raudra"},"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 May 20, 1680 CE · Ayodhyā · Vidhyamitra","description":"May 20, 1680 CE for Ayodhyā: Kṛṣṇa Saptamī, sūryodaya 05:11, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1680-05-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1680-05-20","sa":"https://sa.vidhyamitra.com/city/ayodhya/1680-05-20","hi":"https://hi.vidhyamitra.com/city/ayodhya/1680-05-20","x-default":"https://vidhyamitra.com/city/ayodhya/1680-05-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T14:47:31.137Z","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":"2026-06-03T14:47:31.137Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T14:47:31.137Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}