{"id":"vidhyamitra:city-day:ayodhya:1777-05-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1777-05-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1777-05-21","date_display":"May 21, 1777 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":1777,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2370236.770833,"kali_year":4879,"ahargana":1781771.2708,"sun":{"sidereal_longitude":39.9232,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":203.2838,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.3605,"elapsed_within_tithi_degrees":7.3605},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":203.2838,"elapsed_within_degrees":3.2838},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.207},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":1777,"month":5,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2370236.770833,"ahargana":1781771.2708,"kali_year":4879,"ayanamsa_lahiri":20.7433,"grahas":{"sun":{"sidereal_longitude":39.477982999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":203.627383,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false,"latitude":4.2254},"mars":{"sidereal_longitude":162.96898299999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":64.62978299999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":93.477283,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"venus":{"sidereal_longitude":60.01908300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":190.00298299999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":93.1836,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":273.1836,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara 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":1777,"month":5,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2370236.770833,"kali_year":4879,"ahargana":1781771.2708,"sun":{"sidereal_longitude":39.9232,"rashi":2,"rashi_name":"Vṛṣabha"},"moon":{"sidereal_longitude":203.2838,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":163.3605,"elapsed_within_tithi_degrees":7.3605},"nakshatra":{"number":16,"name":"Viśākhā","pada":1,"moon_longitude":203.2838,"elapsed_within_degrees":3.2838},"yoga":{"number":19,"name":"Parigha","sum_longitude":243.207},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.225,"elongation":163.361},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.225,"opposition_distance":16.639}},"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":13.562810297715778,"dayLengthDisplay":"13 Hours 33 Mins 46 Secs","nightLengthDisplay":"10 Hours 26 Mins 14 Secs","moonriseLocal":"17:25","moonsetLocal":"04:23","rahuKala":{"name":"Rāhu Kāla","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.656094324173171,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:52","end":"08:34","startHours":6.874689175315283,"endHours":8.570040462529755,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:16","end":"11:58","startHours":10.265391749744229,"endHours":11.9607430369587,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:21","end":"08:48","startHours":8.343993624234493,"endHours":8.796087300825018,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:45","end":"06:06","startHours":5.744454983838969,"endHours":6.106129925111389,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:31","end":"12:25","startHours":11.508649360368175,"endHours":12.412836713549225,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:22","end":"04:17","startHours":3.3709631817387073,"endHours":4.275150534919759,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:03","end":"05:11","startHours":4.0491036966244955,"endHours":5.179337888100811,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"15:08","startHours":14.22121141991133,"endHours":15.125398773092384,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.54214818581659,"endHours":18.94214818581659,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.74214818581659,"endHours":19.307265281554745,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.49214818581659,"endHours":20.24214818581659,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:31","end":"00:25","startHours":23.508649360368175,"endHours":24.412836713549225,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:11","end":"06:52","startHours":5.179337888100811,"endHours":6.874689175315283,"quality":"auspicious"},{"name":"Amṛta","start":"06:52","end":"08:34","startHours":6.874689175315283,"endHours":8.570040462529755,"quality":"auspicious"},{"name":"Kāla","start":"08:34","end":"10:16","startHours":8.570040462529755,"endHours":10.265391749744229,"quality":"inauspicious"},{"name":"Śubha","start":"10:16","end":"11:58","startHours":10.265391749744229,"endHours":11.9607430369587,"quality":"auspicious"},{"name":"Roga","start":"11:58","end":"13:39","startHours":11.9607430369587,"endHours":13.656094324173171,"quality":"inauspicious"},{"name":"Udveg","start":"13:39","end":"15:21","startHours":13.656094324173171,"endHours":15.351445611387645,"quality":"inauspicious"},{"name":"Chala","start":"15:21","end":"17:03","startHours":15.351445611387645,"endHours":17.046796898602118,"quality":"neutral"},{"name":"Labha","start":"17:03","end":"18:45","startHours":17.046796898602118,"endHours":18.74214818581659,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:45","end":"20:03","startHours":18.74214818581659,"endHours":20.046796898602118,"quality":"inauspicious"},{"name":"Chala","start":"20:03","end":"21:21","startHours":20.046796898602118,"endHours":21.351445611387646,"quality":"neutral"},{"name":"Labha","start":"21:21","end":"22:39","startHours":21.351445611387646,"endHours":22.65609432417317,"quality":"auspicious"},{"name":"Amṛta","start":"22:39","end":"23:58","startHours":22.65609432417317,"endHours":23.9607430369587,"quality":"auspicious"},{"name":"Kāla","start":"23:58","end":"01:16","startHours":23.9607430369587,"endHours":25.26539174974423,"quality":"inauspicious"},{"name":"Śubha","start":"01:16","end":"02:34","startHours":25.26539174974423,"endHours":26.570040462529754,"quality":"auspicious"},{"name":"Roga","start":"02:34","end":"03:52","startHours":26.570040462529754,"endHours":27.874689175315282,"quality":"inauspicious"},{"name":"Udveg","start":"03:52","end":"05:11","startHours":27.874689175315282,"endHours":29.17933788810081,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:11","end":"06:11","startHours":5.179337888100811,"endHours":6.179337888100811,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:11","end":"07:11","startHours":6.179337888100811,"endHours":7.179337888100811,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:11","end":"08:11","startHours":7.179337888100811,"endHours":8.179337888100811,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:11","end":"09:11","startHours":8.179337888100811,"endHours":9.179337888100811,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:11","end":"10:11","startHours":9.179337888100811,"endHours":10.179337888100811,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:11","end":"11:11","startHours":10.179337888100811,"endHours":11.179337888100811,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:11","end":"12:11","startHours":11.179337888100811,"endHours":12.179337888100811,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:11","end":"13:11","startHours":12.179337888100811,"endHours":13.179337888100811,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:11","end":"14:11","startHours":13.179337888100811,"endHours":14.179337888100811,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:11","end":"15:11","startHours":14.179337888100811,"endHours":15.179337888100811,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:11","end":"16:11","startHours":15.179337888100811,"endHours":16.17933788810081,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:11","end":"17:11","startHours":16.17933788810081,"endHours":17.17933788810081,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:11","end":"18:11","startHours":17.17933788810081,"endHours":18.17933788810081,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:11","end":"19:11","startHours":18.17933788810081,"endHours":19.17933788810081,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:11","end":"20:11","startHours":19.17933788810081,"endHours":20.17933788810081,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:11","end":"21:11","startHours":20.17933788810081,"endHours":21.17933788810081,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:11","end":"22:11","startHours":21.17933788810081,"endHours":22.17933788810081,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:11","end":"23:11","startHours":22.17933788810081,"endHours":23.17933788810081,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:11","end":"00:11","startHours":23.17933788810081,"endHours":24.17933788810081,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:11","end":"01:11","startHours":24.17933788810081,"endHours":25.17933788810081,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:11","end":"02:11","startHours":25.17933788810081,"endHours":26.17933788810081,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:11","end":"03:11","startHours":26.17933788810081,"endHours":27.17933788810081,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:11","end":"04:11","startHours":27.17933788810081,"endHours":28.17933788810081,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:11","end":"05:11","startHours":28.17933788810081,"endHours":29.17933788810081,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"North","rahuVasa":"South-West","anandadiYoga":{"name":"Dhātṛ","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":20.1947308003287,"eotMinutes":3.539417782478063,"ayanamsa":20.7433}},"calendars":{"vikram_samvat":1834,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1699,"saka_samvatsara":"Hemalambī","bengali_samvat":1184,"malayalam_era":953,"nanakshahi_year":308,"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 1834 Sādhāraṇa · Śaka 1699 Hemalambī"},"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":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 21, 1777 CE · Ayodhyā · Vidhyamitra","description":"May 21, 1777 CE for Ayodhyā: Śukla Caturdaśī, sūryodaya 05:11, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1777-05-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1777-05-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1777-05-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1777-05-21","x-default":"https://vidhyamitra.com/city/ayodhya/1777-05-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:18:21.464Z","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":"2026-06-02T05:18:21.464Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:18:21.464Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}