{"id":"vidhyamitra:city-day:ayodhya:1806-04-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1806-04-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1806-04-21","date_display":"April 21, 1806 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":1806,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380797.770833,"kali_year":4908,"ahargana":1792332.2708,"sun":{"sidereal_longitude":9.6315,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":36.0926,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.4611,"elapsed_within_tithi_degrees":2.4611},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.0926,"elapsed_within_degrees":9.4259},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.7242},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":1806,"month":4,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2380797.770833,"ahargana":1792332.2708,"kali_year":4908,"ayanamsa_lahiri":21.1472,"grahas":{"sun":{"sidereal_longitude":9.083775000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":36.372275,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":2.7388},"mars":{"sidereal_longitude":356.520275,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":24.722075000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":260.204375,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":331.77317500000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":185.52527499999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":253.611,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":73.611,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"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":1806,"month":4,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2380797.770833,"kali_year":4908,"ahargana":1792332.2708,"sun":{"sidereal_longitude":9.6315,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":36.0926,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.4611,"elapsed_within_tithi_degrees":2.4611},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.0926,"elapsed_within_degrees":9.4259},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":45.7242},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.739,"elongation":26.461},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.739,"opposition_distance":153.539}},"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":"05:32","sunsetLocal":"18:28","solarNoonLocal":"12:00","dayLengthHours":12.917917510425937,"dayLengthDisplay":"12 Hours 55 Mins 05 Secs","nightLengthDisplay":"11 Hours 04 Mins 55 Secs","moonriseLocal":"07:05","moonsetLocal":"20:33","rahuKala":{"name":"Rāhu Kāla","start":"07:09","end":"08:46","startHours":7.155725452904238,"endHours":8.77046514170748,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:23","end":"12:00","startHours":10.385204830510723,"endHours":11.999944519313964,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:37","end":"15:14","startHours":13.614684208117207,"endHours":15.229423896920448,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:33","end":"08:59","startHours":8.555166516533713,"endHours":8.985763766881245,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:05","end":"06:25","startHours":6.07923232703541,"endHours":6.423710127313434,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:26","startHours":11.569347268966432,"endHours":12.430541769661495,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:49","end":"04:41","startHours":3.818596762710871,"endHours":4.679791263405933,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:28","end":"05:32","startHours":4.4644926382321675,"endHours":5.540985764100996,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:09","end":"15:01","startHours":14.152930771051619,"endHours":15.01412527174668,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:16","end":"18:40","startHours":18.258903274526933,"endHours":18.65890327452693,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:28","end":"19:00","startHours":18.458903274526932,"endHours":18.997149837461347,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:13","end":"19:58","startHours":18.208903274526932,"endHours":19.958903274526932,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:26","startHours":23.569347268966432,"endHours":24.430541769661495,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:32","end":"07:09","startHours":5.540985764100996,"endHours":7.155725452904238,"quality":"auspicious"},{"name":"Kāla","start":"07:09","end":"08:46","startHours":7.155725452904238,"endHours":8.77046514170748,"quality":"inauspicious"},{"name":"Śubha","start":"08:46","end":"10:23","startHours":8.77046514170748,"endHours":10.385204830510723,"quality":"auspicious"},{"name":"Roga","start":"10:23","end":"12:00","startHours":10.385204830510723,"endHours":11.999944519313964,"quality":"inauspicious"},{"name":"Udveg","start":"12:00","end":"13:37","startHours":11.999944519313964,"endHours":13.614684208117207,"quality":"inauspicious"},{"name":"Chala","start":"13:37","end":"15:14","startHours":13.614684208117207,"endHours":15.229423896920448,"quality":"neutral"},{"name":"Labha","start":"15:14","end":"16:51","startHours":15.229423896920448,"endHours":16.84416358572369,"quality":"auspicious"},{"name":"Amṛta","start":"16:51","end":"18:28","startHours":16.84416358572369,"endHours":18.458903274526932,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:28","end":"19:51","startHours":18.458903274526932,"endHours":19.84416358572369,"quality":"neutral"},{"name":"Labha","start":"19:51","end":"21:14","startHours":19.84416358572369,"endHours":21.229423896920448,"quality":"auspicious"},{"name":"Amṛta","start":"21:14","end":"22:37","startHours":21.229423896920448,"endHours":22.614684208117204,"quality":"auspicious"},{"name":"Kāla","start":"22:37","end":"00:00","startHours":22.614684208117204,"endHours":23.999944519313964,"quality":"inauspicious"},{"name":"Śubha","start":"00:00","end":"01:23","startHours":23.999944519313964,"endHours":25.385204830510723,"quality":"auspicious"},{"name":"Roga","start":"01:23","end":"02:46","startHours":25.385204830510723,"endHours":26.77046514170748,"quality":"inauspicious"},{"name":"Udveg","start":"02:46","end":"04:09","startHours":26.77046514170748,"endHours":28.155725452904235,"quality":"inauspicious"},{"name":"Chala","start":"04:09","end":"05:32","startHours":28.155725452904235,"endHours":29.540985764100995,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:32","end":"06:32","startHours":5.540985764100996,"endHours":6.540985764100996,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:32","end":"07:32","startHours":6.540985764100996,"endHours":7.540985764100996,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:32","end":"08:32","startHours":7.540985764100996,"endHours":8.540985764100995,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:32","end":"09:32","startHours":8.540985764100995,"endHours":9.540985764100995,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:32","end":"10:32","startHours":9.540985764100995,"endHours":10.540985764100995,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:32","end":"11:32","startHours":10.540985764100995,"endHours":11.540985764100995,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:32","end":"12:32","startHours":11.540985764100995,"endHours":12.540985764100995,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:32","end":"13:32","startHours":12.540985764100995,"endHours":13.540985764100995,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:32","end":"14:32","startHours":13.540985764100995,"endHours":14.540985764100995,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:32","end":"15:32","startHours":14.540985764100995,"endHours":15.540985764100995,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:32","end":"16:32","startHours":15.540985764100995,"endHours":16.540985764100995,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:32","end":"17:32","startHours":16.540985764100995,"endHours":17.540985764100995,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:32","end":"18:32","startHours":17.540985764100995,"endHours":18.540985764100995,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:32","end":"19:32","startHours":18.540985764100995,"endHours":19.540985764100995,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:32","end":"20:32","startHours":19.540985764100995,"endHours":20.540985764100995,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:32","end":"21:32","startHours":20.540985764100995,"endHours":21.540985764100995,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:32","end":"22:32","startHours":21.540985764100995,"endHours":22.540985764100995,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:32","end":"23:32","startHours":22.540985764100995,"endHours":23.540985764100995,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:32","end":"00:32","startHours":23.540985764100995,"endHours":24.540985764100995,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:32","end":"01:32","startHours":24.540985764100995,"endHours":25.540985764100995,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:32","end":"02:32","startHours":25.540985764100995,"endHours":26.540985764100995,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:32","end":"03:32","startHours":26.540985764100995,"endHours":27.540985764100995,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:32","end":"04:32","startHours":27.540985764100995,"endHours":28.540985764100995,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:32","end":"05:32","startHours":28.540985764100995,"endHours":29.540985764100995,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvaja","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":11.551764045914108,"eotMinutes":1.1873288411622274,"ayanamsa":21.1472}},"calendars":{"vikram_samvat":1863,"vikram_samvatsara":"Pramāthi","saka_samvat":1728,"saka_samvatsara":"Akṣaya","bengali_samvat":1213,"malayalam_era":982,"nanakshahi_year":337,"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 Tṛtīyā · Vikram 1863 Pramāthi · Śaka 1728 Akṣaya"},"festivals":[{"id":"akshaya-tritiya","name":"Akṣaya Tṛtīyā","name_sanskrit":"अक्षय तृतीया","tradition":"Pan-Hindu","significance":"\"Inexhaustible third\"; auspicious for any new venture.","vrata":false,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1},{"id":"parashurama-jayanti","name":"Paraśurāma Jayantī","name_sanskrit":"परशुराम जयन्ती","tradition":"Vaishnava","associated_deity":"Paraśurāma (6th daśāvatāra of Krishna)","deity_avatara_index":16,"significance":"Paraśurāma's manifestation; ciranjīvi-pratiṣṭhā. Coincides with Akṣaya Tṛtīyā.","vrata":true,"detection":{"tithi_number":3,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":2,"sources":["Bhāgavata 9.15-16"]}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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, 1806 CE · Ayodhyā · Vidhyamitra","description":"April 21, 1806 CE for Ayodhyā: Śukla Tṛtīyā, sūryodaya 05:32, sūryāsta 18:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1806-04-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1806-04-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1806-04-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1806-04-21","x-default":"https://vidhyamitra.com/city/ayodhya/1806-04-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:17:57.989Z","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":"2026-06-01T21:17:57.989Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:17:57.989Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}