{"id":"vidhyamitra:city-day:ayodhya:1690-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1690-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1690-05-21","date_display":"May 21, 1690 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":1690,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338460.770833,"kali_year":4792,"ahargana":1749995.2708,"sun":{"sidereal_longitude":41.3652,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":197.7243,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.359,"elapsed_within_tithi_degrees":0.359},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.7243,"elapsed_within_degrees":11.0576},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.0895},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1690,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338460.770833,"ahargana":1749995.2708,"kali_year":4792,"ayanamsa_lahiri":19.528,"grahas":{"sun":{"sidereal_longitude":40.72485899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":197.32795899999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false,"latitude":-2.9443},"mars":{"sidereal_longitude":92.45185900000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":46.131958999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":347.116759,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":53.64785899999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":208.95255900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":336.829,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":156.829,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":1690,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338460.770833,"kali_year":4792,"ahargana":1749995.2708,"sun":{"sidereal_longitude":41.3652,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":197.7243,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":156.359,"elapsed_within_tithi_degrees":0.359},"nakshatra":{"number":15,"name":"Svātī","pada":4,"moon_longitude":197.7243,"elapsed_within_degrees":11.0576},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.0895},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.944,"elongation":156.359},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.944,"opposition_distance":23.641}},"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":"18:45","solarNoonLocal":"11:58","dayLengthHours":13.56333483079917,"dayLengthDisplay":"13 Hours 33 Mins 48 Secs","nightLengthDisplay":"10 Hours 26 Mins 12 Secs","moonriseLocal":"16:50","moonsetLocal":"03:58","rahuKala":{"name":"Rāhu Kāla","start":"17:03","end":"18:45","startHours":17.04699359850839,"endHours":18.742410452358286,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.656159890808597,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:21","end":"17:03","startHours":15.351576744658493,"endHours":17.04699359850839,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.34385374874559,"endHours":8.795964909772227,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:06","startHours":5.744214572842415,"endHours":6.105903501663726,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.50863187593206,"endHours":12.41285419798534,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:16","startHours":3.3706309774525605,"endHours":4.274853299505838,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:11","startHours":4.048797718992519,"endHours":5.179075621559116,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:08","startHours":14.221298842091896,"endHours":15.125521164145173,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.542410452358286,"endHours":18.942410452358285,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.742410452358286,"endHours":19.307549403641584,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.492410452358286,"endHours":20.242410452358286,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.50863187593206,"endHours":24.41285419798534,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:11","end":"06:52","startHours":5.179075621559116,"endHours":6.874492475409013,"quality":"inauspicious"},{"name":"Chala","start":"06:52","end":"08:34","startHours":6.874492475409013,"endHours":8.569909329258909,"quality":"neutral"},{"name":"Labha","start":"08:34","end":"10:16","startHours":8.569909329258909,"endHours":10.265326183108805,"quality":"auspicious"},{"name":"Amṛta","start":"10:16","end":"11:58","startHours":10.265326183108805,"endHours":11.9607430369587,"quality":"auspicious"},{"name":"Kāla","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.656159890808597,"quality":"inauspicious"},{"name":"Śubha","start":"13:39","end":"15:21","startHours":13.656159890808597,"endHours":15.351576744658493,"quality":"auspicious"},{"name":"Roga","start":"15:21","end":"17:03","startHours":15.351576744658493,"endHours":17.04699359850839,"quality":"inauspicious"},{"name":"Udveg","start":"17:03","end":"18:45","startHours":17.04699359850839,"endHours":18.742410452358286,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:45","end":"20:03","startHours":18.742410452358286,"endHours":20.04699359850839,"quality":"auspicious"},{"name":"Roga","start":"20:03","end":"21:21","startHours":20.04699359850839,"endHours":21.351576744658495,"quality":"inauspicious"},{"name":"Udveg","start":"21:21","end":"22:39","startHours":21.351576744658495,"endHours":22.656159890808595,"quality":"inauspicious"},{"name":"Chala","start":"22:39","end":"23:58","startHours":22.656159890808595,"endHours":23.9607430369587,"quality":"neutral"},{"name":"Labha","start":"23:58","end":"01:16","startHours":23.9607430369587,"endHours":25.265326183108805,"quality":"auspicious"},{"name":"Amṛta","start":"01:16","end":"02:34","startHours":25.265326183108805,"endHours":26.56990932925891,"quality":"auspicious"},{"name":"Kāla","start":"02:34","end":"03:52","startHours":26.56990932925891,"endHours":27.874492475409014,"quality":"inauspicious"},{"name":"Śubha","start":"03:52","end":"05:11","startHours":27.874492475409014,"endHours":29.179075621559114,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.179075621559116,"endHours":6.179075621559116,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.179075621559116,"endHours":7.179075621559116,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.179075621559116,"endHours":8.179075621559116,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.179075621559116,"endHours":9.179075621559116,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.179075621559116,"endHours":10.179075621559116,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.179075621559116,"endHours":11.179075621559116,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.179075621559116,"endHours":12.179075621559116,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.179075621559116,"endHours":13.179075621559116,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.179075621559116,"endHours":14.179075621559116,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.179075621559116,"endHours":15.179075621559116,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.179075621559116,"endHours":16.179075621559114,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.179075621559114,"endHours":17.179075621559114,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.179075621559114,"endHours":18.179075621559114,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.179075621559114,"endHours":19.179075621559114,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.179075621559114,"endHours":20.179075621559114,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.179075621559114,"endHours":21.179075621559114,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.179075621559114,"endHours":22.179075621559114,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.179075621559114,"endHours":23.179075621559114,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.179075621559114,"endHours":24.179075621559114,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.179075621559114,"endHours":25.179075621559114,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.179075621559114,"endHours":26.179075621559114,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.179075621559114,"endHours":27.179075621559114,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.179075621559114,"endHours":28.179075621559114,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.179075621559114,"endHours":29.179075621559114,"planetary_lord":"Jupiter"}],"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","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Grīṣma (Summer) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":20.201373647943285,"eotMinutes":3.539417782478063,"ayanamsa":19.528}},"calendars":{"vikram_samvat":1747,"vikram_samvatsara":"Subhānu","saka_samvat":1612,"saka_samvatsara":"Pramoda","bengali_samvat":1097,"malayalam_era":866,"nanakshahi_year":221,"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 Caturdaśī · Vikram 1747 Subhānu · Śaka 1612 Pramoda"},"festivals":[{"id":"narasimha-jayanti","name":"Narasiṁha Jayantī","name_sanskrit":"नरसिंह जयन्ती","tradition":"Vaishnava","associated_deity":"Narasiṁha (avatar of Krishna)","deity_avatara_index":14,"significance":"Bhagavān Narasiṁha manifested to protect the bhakta Prahlāda. Krishna's fierce protective form.","vrata":true,"primary_observance":"Sandhyā (twilight) abhiṣekam; recitation of Narasiṁha-Stotra","detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"narasimha","sources":["Bhāgavata Purāṇa 7.8"]},{"id":"chhinnamasta-jayanti","name":"Chhinnamastā Jayantī","name_sanskrit":"छिन्नमस्ता जयन्ती","tradition":"Shakta","associated_deity":"Devī Chhinnamastā (6th of 10 Mahāvidyās)","significance":"The 6th of the Daśa Mahāvidyās. Devī's self-decapitation form representing transcendence of ego.","vrata":false,"detection":{"tithi_number":14,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5}],"todays_walk":{"walk":{"id":"narasimha-jayanti-walk","name":"Narasiṁha Jayantī Walk","name_sanskrit":"नरसिंह जयन्ती यात्रा","type":"festival","description":"Bhāgavata 7.8 (Prahlāda-Narasiṁha) + protective verses.","step_count":9,"url":"/walk/narasimha-jayanti-walk"},"reason":"Today is Narasiṁha Jayantī — its dedicated 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 21, 1690 CE · Ayodhyā · Vidhyamitra","description":"May 21, 1690 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 05:11, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1690-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1690-05-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1690-05-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1690-05-21","x-default":"https://vidhyamitra.com/city/ayodhya/1690-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T06:14:36.626Z","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":"2026-06-03T06:14:36.626Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T06:14:36.626Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}