{"id":"vidhyamitra:city-day:ayodhya:1799-01-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1799-01-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1799-01-21","date_display":"January 21, 1799 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":1799,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378151.770833,"kali_year":4900,"ahargana":1789686.2708,"sun":{"sidereal_longitude":280.4838,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.2031,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.7193,"elapsed_within_tithi_degrees":1.7193},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.2031,"elapsed_within_degrees":10.2031},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.687},"karana":{"half_tithi_index":28,"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":1799,"month":1,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2378151.770833,"ahargana":1789686.2708,"kali_year":4900,"ayanamsa_lahiri":21.046,"grahas":{"sun":{"sidereal_longitude":280.054071,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":90.877771,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":3.7467},"mars":{"sidereal_longitude":4.416770999999983,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":264.11727099999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":27.445470999999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":287.983571,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":93.122071,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":33.8088,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":213.8088,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1799,"month":1,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2378151.770833,"kali_year":4900,"ahargana":1789686.2708,"sun":{"sidereal_longitude":280.4838,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.2031,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.7193,"elapsed_within_tithi_degrees":1.7193},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.2031,"elapsed_within_degrees":10.2031},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.687},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.747,"elongation":169.719},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.747,"opposition_distance":10.281}},"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":"06:51","sunsetLocal":"17:34","solarNoonLocal":"12:12","dayLengthHours":10.728755993413017,"dayLengthDisplay":"10 Hours 43 Mins 44 Secs","nightLengthDisplay":"13 Hours 16 Mins 16 Secs","moonriseLocal":"16:47","moonsetLocal":"06:25","rahuKala":{"name":"Rāhu Kāla","start":"08:11","end":"09:32","startHours":8.18404535662232,"endHours":9.525139855798948,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:52","end":"12:12","startHours":10.866234354975575,"endHours":12.207328854152202,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:33","end":"14:53","startHours":13.548423353328829,"endHours":14.889517852505456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.346327255908731,"endHours":9.703952455689166,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:17","end":"07:35","startHours":7.289982357171237,"endHours":7.576082516995584,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:51","end":"12:34","startHours":11.849703654371767,"endHours":12.564954053932636,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:08","startHours":5.412450058323959,"endHours":6.127700457884826,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:51","startHours":5.94888785799461,"endHours":6.842950857445694,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:43","startHours":13.995454853054373,"endHours":14.71070525261524,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.37170685085871,"endHours":17.77170685085871,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:01","startHours":17.57170685085871,"endHours":18.018738350584254,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.32170685085871,"endHours":19.07170685085871,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:51","end":"00:34","startHours":23.84970365437177,"endHours":24.564954053932635,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:51","end":"08:11","startHours":6.842950857445694,"endHours":8.18404535662232,"quality":"auspicious"},{"name":"Kāla","start":"08:11","end":"09:32","startHours":8.18404535662232,"endHours":9.525139855798948,"quality":"inauspicious"},{"name":"Śubha","start":"09:32","end":"10:52","startHours":9.525139855798948,"endHours":10.866234354975575,"quality":"auspicious"},{"name":"Roga","start":"10:52","end":"12:12","startHours":10.866234354975575,"endHours":12.207328854152202,"quality":"inauspicious"},{"name":"Udveg","start":"12:12","end":"13:33","startHours":12.207328854152202,"endHours":13.548423353328829,"quality":"inauspicious"},{"name":"Chala","start":"13:33","end":"14:53","startHours":13.548423353328829,"endHours":14.889517852505456,"quality":"neutral"},{"name":"Labha","start":"14:53","end":"16:14","startHours":14.889517852505456,"endHours":16.230612351682083,"quality":"auspicious"},{"name":"Amṛta","start":"16:14","end":"17:34","startHours":16.230612351682083,"endHours":17.57170685085871,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:34","end":"19:14","startHours":17.57170685085871,"endHours":19.230612351682083,"quality":"neutral"},{"name":"Labha","start":"19:14","end":"20:53","startHours":19.230612351682083,"endHours":20.889517852505456,"quality":"auspicious"},{"name":"Amṛta","start":"20:53","end":"22:33","startHours":20.889517852505456,"endHours":22.54842335332883,"quality":"auspicious"},{"name":"Kāla","start":"22:33","end":"00:12","startHours":22.54842335332883,"endHours":24.207328854152202,"quality":"inauspicious"},{"name":"Śubha","start":"00:12","end":"01:52","startHours":24.207328854152202,"endHours":25.866234354975575,"quality":"auspicious"},{"name":"Roga","start":"01:52","end":"03:32","startHours":25.866234354975575,"endHours":27.525139855798948,"quality":"inauspicious"},{"name":"Udveg","start":"03:32","end":"05:11","startHours":27.525139855798948,"endHours":29.18404535662232,"quality":"inauspicious"},{"name":"Chala","start":"05:11","end":"06:51","startHours":29.18404535662232,"endHours":30.842950857445693,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:51","end":"07:51","startHours":6.842950857445694,"endHours":7.842950857445694,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:51","end":"08:51","startHours":7.842950857445694,"endHours":8.842950857445693,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:51","end":"09:51","startHours":8.842950857445693,"endHours":9.842950857445693,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:51","end":"10:51","startHours":9.842950857445693,"endHours":10.842950857445693,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:51","end":"11:51","startHours":10.842950857445693,"endHours":11.842950857445693,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:51","end":"12:51","startHours":11.842950857445693,"endHours":12.842950857445693,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:51","end":"13:51","startHours":12.842950857445693,"endHours":13.842950857445693,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:51","end":"14:51","startHours":13.842950857445693,"endHours":14.842950857445693,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:51","end":"15:51","startHours":14.842950857445693,"endHours":15.842950857445693,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:51","end":"16:51","startHours":15.842950857445693,"endHours":16.842950857445693,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:51","end":"17:51","startHours":16.842950857445693,"endHours":17.842950857445693,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:51","end":"18:51","startHours":17.842950857445693,"endHours":18.842950857445693,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:51","end":"19:51","startHours":18.842950857445693,"endHours":19.842950857445693,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:51","end":"20:51","startHours":19.842950857445693,"endHours":20.842950857445693,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:51","end":"21:51","startHours":20.842950857445693,"endHours":21.842950857445693,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:51","end":"22:51","startHours":21.842950857445693,"endHours":22.842950857445693,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:51","end":"23:51","startHours":22.842950857445693,"endHours":23.842950857445693,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:51","end":"00:51","startHours":23.842950857445693,"endHours":24.842950857445693,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:51","end":"01:51","startHours":24.842950857445693,"endHours":25.842950857445693,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:51","end":"02:51","startHours":25.842950857445693,"endHours":26.842950857445693,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:51","end":"03:51","startHours":26.842950857445693,"endHours":27.842950857445693,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:51","end":"04:51","startHours":27.842950857445693,"endHours":28.842950857445693,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:51","end":"05:51","startHours":28.842950857445693,"endHours":29.842950857445693,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:51","end":"06:51","startHours":29.842950857445693,"endHours":30.842950857445693,"planetary_lord":"Venus"}],"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-19.911298239059956,"eotMinutes":-11.255731249132124,"ayanamsa":21.046}},"calendars":{"vikram_samvat":1856,"vikram_samvatsara":"Aṅgirasa","saka_samvat":1721,"saka_samvatsara":"Siddhārthī","bengali_samvat":1206,"malayalam_era":975,"nanakshahi_year":330,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 1856 Aṅgirasa · Śaka 1721 Siddhārthī"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3}],"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 Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"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},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","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 January 21, 1799 CE · Ayodhyā · Vidhyamitra","description":"January 21, 1799 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:51, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1799-01-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1799-01-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/1799-01-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/1799-01-21","x-default":"https://vidhyamitra.com/city/ayodhya/1799-01-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:40:05.470Z","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":"2026-05-31T01:40:05.470Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:40:05.470Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}