{"id":"vidhyamitra:city-day:ayodhya:1809-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1809-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1809-04-21","date_display":"April 21, 1809 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":1809,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381893.770833,"kali_year":4911,"ahargana":1793428.2708,"sun":{"sidereal_longitude":9.8486,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.3027,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4541,"elapsed_within_tithi_degrees":11.4541},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.3027,"elapsed_within_degrees":1.3027},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.1513},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":1809,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2381893.770833,"ahargana":1793428.2708,"kali_year":4911,"ayanamsa_lahiri":21.1891,"grahas":{"sun":{"sidereal_longitude":9.308998999999972,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":77.06279899999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":-4.1026},"mars":{"sidereal_longitude":175.649899,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":true},"mercury":{"sidereal_longitude":351.122799,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":349.796799,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":49.952399000000014,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":223.39749899999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":195.5396,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":15.5396,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"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":1809,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2381893.770833,"kali_year":4911,"ahargana":1793428.2708,"sun":{"sidereal_longitude":9.8486,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":81.3027,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.4541,"elapsed_within_tithi_degrees":11.4541},"nakshatra":{"number":7,"name":"Punarvasu","pada":1,"moon_longitude":81.3027,"elapsed_within_degrees":1.3027},"yoga":{"number":7,"name":"Sukarma","sum_longitude":91.1513},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.103,"elongation":71.454},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.103,"opposition_distance":108.546}},"eclipse_window_40days":[{"offset_days":9,"type":"lunar","occurs":true,"moon_latitude":0.225,"opposition_distance":0.622}]},"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":"05:32","sunsetLocal":"18:28","solarNoonLocal":"12:00","dayLengthHours":12.92457648846429,"dayLengthDisplay":"12 Hours 55 Mins 28 Secs","nightLengthDisplay":"11 Hours 04 Mins 32 Secs","moonriseLocal":"09:38","moonsetLocal":"23:24","rahuKala":{"name":"Rāhu Kāla","start":"10:23","end":"12:00","startHours":10.384372458255928,"endHours":11.999944519313964,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:14","end":"16:51","startHours":15.231088641430038,"endHours":16.846660702488073,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:09","end":"08:46","startHours":7.153228336139856,"endHours":8.768800397197893,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.55339078905682,"endHours":8.984210005338964,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:25","startHours":6.076180295434498,"endHours":6.420835668460213,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.56912530303182,"endHours":12.430763735596107,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:41","startHours":3.814379409953248,"endHours":4.676017842517534,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:32","startHours":4.460608234376462,"endHours":5.53765627508182,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.15404060072468,"endHours":15.015679033288967,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.26223276354611,"endHours":18.662232763546108,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.46223276354611,"endHours":19.000756783898787,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.21223276354611,"endHours":19.96223276354611,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.56912530303182,"endHours":24.430763735596106,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:32","end":"07:09","startHours":5.53765627508182,"endHours":7.153228336139856,"quality":"neutral"},{"name":"Labha","start":"07:09","end":"08:46","startHours":7.153228336139856,"endHours":8.768800397197893,"quality":"auspicious"},{"name":"Amṛta","start":"08:46","end":"10:23","startHours":8.768800397197893,"endHours":10.384372458255928,"quality":"auspicious"},{"name":"Kāla","start":"10:23","end":"12:00","startHours":10.384372458255928,"endHours":11.999944519313964,"quality":"inauspicious"},{"name":"Śubha","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.615516580371999,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"15:14","startHours":13.615516580371999,"endHours":15.231088641430038,"quality":"inauspicious"},{"name":"Udveg","start":"15:14","end":"16:51","startHours":15.231088641430038,"endHours":16.846660702488073,"quality":"inauspicious"},{"name":"Chala","start":"16:51","end":"18:28","startHours":16.846660702488073,"endHours":18.46223276354611,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:28","end":"19:51","startHours":18.46223276354611,"endHours":19.846660702488073,"quality":"inauspicious"},{"name":"Udveg","start":"19:51","end":"21:14","startHours":19.846660702488073,"endHours":21.231088641430034,"quality":"inauspicious"},{"name":"Chala","start":"21:14","end":"22:37","startHours":21.231088641430034,"endHours":22.615516580372,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:00","startHours":22.615516580372,"endHours":23.999944519313964,"quality":"auspicious"},{"name":"Amṛta","start":"00:00","end":"01:23","startHours":23.999944519313964,"endHours":25.38437245825593,"quality":"auspicious"},{"name":"Kāla","start":"01:23","end":"02:46","startHours":25.38437245825593,"endHours":26.768800397197893,"quality":"inauspicious"},{"name":"Śubha","start":"02:46","end":"04:09","startHours":26.768800397197893,"endHours":28.153228336139854,"quality":"auspicious"},{"name":"Roga","start":"04:09","end":"05:32","startHours":28.153228336139854,"endHours":29.53765627508182,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.53765627508182,"endHours":6.53765627508182,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.53765627508182,"endHours":7.53765627508182,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.53765627508182,"endHours":8.537656275081819,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.537656275081819,"endHours":9.537656275081819,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.537656275081819,"endHours":10.537656275081819,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.537656275081819,"endHours":11.537656275081819,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.537656275081819,"endHours":12.537656275081819,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.537656275081819,"endHours":13.537656275081819,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.537656275081819,"endHours":14.537656275081819,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.537656275081819,"endHours":15.537656275081819,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.537656275081819,"endHours":16.53765627508182,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.53765627508182,"endHours":17.53765627508182,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.53765627508182,"endHours":18.53765627508182,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.53765627508182,"endHours":19.53765627508182,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.53765627508182,"endHours":20.53765627508182,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.53765627508182,"endHours":21.53765627508182,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.53765627508182,"endHours":22.53765627508182,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.53765627508182,"endHours":23.53765627508182,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.53765627508182,"endHours":24.53765627508182,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.53765627508182,"endHours":25.53765627508182,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.53765627508182,"endHours":26.53765627508182,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.53765627508182,"endHours":27.53765627508182,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.53765627508182,"endHours":28.53765627508182,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.53765627508182,"endHours":29.53765627508182,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Vasanta (Spring) (tropical)","vedicRitu":"Vasanta (Spring)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":11.645344927267363,"eotMinutes":1.1873288411622274,"ayanamsa":21.1891}},"calendars":{"vikram_samvat":1866,"vikram_samvatsara":"Citrabhānu","saka_samvat":1731,"saka_samvatsara":"Śukla","bengali_samvat":1216,"malayalam_era":985,"nanakshahi_year":340,"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":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ṣaṣṭhī · Vikram 1866 Citrabhānu · Śaka 1731 Śukla"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 April 21, 1809 CE · Ayodhyā · Vidhyamitra","description":"April 21, 1809 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 05:32, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1809-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1809-04-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1809-04-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1809-04-21","x-default":"https://vidhyamitra.com/city/ayodhya/1809-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:28:29.026Z","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":"2026-06-01T05:28:29.026Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:28:29.026Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}