{"id":"vidhyamitra:city-day:ayodhya:1817-03-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1817-03-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1817-03-13","date_display":"March 13, 1817 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":1817,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384776.770833,"kali_year":4918,"ahargana":1796311.2708,"sun":{"sidereal_longitude":331.4401,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":274.2728,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.8327,"elapsed_within_tithi_degrees":2.8327},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.2728,"elapsed_within_degrees":7.6061},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.7129},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1817,"month":3,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2384776.770833,"ahargana":1796311.2708,"kali_year":4918,"ayanamsa_lahiri":21.2994,"grahas":{"sun":{"sidereal_longitude":330.83954800000004,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":275.349148,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-3.5198},"mars":{"sidereal_longitude":286.771748,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":306.704348,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":231.43214799999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":19.595548000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":310.0309480000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":42.7844,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":222.7844,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":1817,"month":3,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2384776.770833,"kali_year":4918,"ahargana":1796311.2708,"sun":{"sidereal_longitude":331.4401,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":274.2728,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.8327,"elapsed_within_tithi_degrees":2.8327},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":274.2728,"elapsed_within_degrees":7.6061},"yoga":{"number":19,"name":"Parigha","sum_longitude":245.7129},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.52,"elongation":57.167},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.52,"opposition_distance":122.833}},"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":"06:14","sunsetLocal":"18:09","solarNoonLocal":"12:11","dayLengthHours":11.914386652695853,"dayLengthDisplay":"11 Hours 54 Mins 52 Secs","nightLengthDisplay":"12 Hours 05 Mins 08 Secs","moonriseLocal":"03:11","moonsetLocal":"13:48","rahuKala":{"name":"Rāhu Kāla","start":"13:41","end":"15:10","startHours":13.679330330400461,"endHours":15.168628661987444,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:14","end":"07:43","startHours":6.232838672465554,"endHours":7.722137004052535,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:13","end":"10:42","startHours":9.211435335639518,"endHours":10.700733667226498,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:25","startHours":9.012862224761253,"endHours":9.41000844651778,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:44","end":"07:03","startHours":6.729271449661214,"endHours":7.046988427066436,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:35","startHours":11.792885777056952,"endHours":12.58717822057001,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:39","end":"05:26","startHours":4.64425378543944,"endHours":5.438546228952497,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:14","end":"06:14","startHours":5.239973118074232,"endHours":6.232838672465554,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:11","end":"14:58","startHours":14.175763107596122,"endHours":14.970055551109178,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:57","end":"18:21","startHours":17.94722532516141,"endHours":18.347225325161407,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:09","end":"18:39","startHours":18.147225325161408,"endHours":18.64365810235707,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:54","end":"19:39","startHours":17.897225325161408,"endHours":19.647225325161408,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:35","startHours":23.792885777056952,"endHours":24.58717822057001,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:14","end":"07:43","startHours":6.232838672465554,"endHours":7.722137004052535,"quality":"auspicious"},{"name":"Roga","start":"07:43","end":"09:13","startHours":7.722137004052535,"endHours":9.211435335639518,"quality":"inauspicious"},{"name":"Udveg","start":"09:13","end":"10:42","startHours":9.211435335639518,"endHours":10.700733667226498,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:11","startHours":10.700733667226498,"endHours":12.190031998813481,"quality":"neutral"},{"name":"Labha","start":"12:11","end":"13:41","startHours":12.190031998813481,"endHours":13.679330330400461,"quality":"auspicious"},{"name":"Amṛta","start":"13:41","end":"15:10","startHours":13.679330330400461,"endHours":15.168628661987444,"quality":"auspicious"},{"name":"Kāla","start":"15:10","end":"16:39","startHours":15.168628661987444,"endHours":16.657926993574424,"quality":"inauspicious"},{"name":"Śubha","start":"16:39","end":"18:09","startHours":16.657926993574424,"endHours":18.147225325161408,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:09","end":"19:39","startHours":18.147225325161408,"endHours":19.657926993574428,"quality":"auspicious"},{"name":"Kāla","start":"19:39","end":"21:10","startHours":19.657926993574428,"endHours":21.168628661987444,"quality":"inauspicious"},{"name":"Śubha","start":"21:10","end":"22:41","startHours":21.168628661987444,"endHours":22.67933033040046,"quality":"auspicious"},{"name":"Roga","start":"22:41","end":"00:11","startHours":22.67933033040046,"endHours":24.19003199881348,"quality":"inauspicious"},{"name":"Udveg","start":"00:11","end":"01:42","startHours":24.19003199881348,"endHours":25.7007336672265,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:13","startHours":25.7007336672265,"endHours":27.211435335639518,"quality":"neutral"},{"name":"Labha","start":"03:13","end":"04:43","startHours":27.211435335639518,"endHours":28.722137004052534,"quality":"auspicious"},{"name":"Amṛta","start":"04:43","end":"06:14","startHours":28.722137004052534,"endHours":30.232838672465554,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.232838672465554,"endHours":7.232838672465554,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.232838672465554,"endHours":8.232838672465554,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.232838672465554,"endHours":9.232838672465554,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.232838672465554,"endHours":10.232838672465554,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.232838672465554,"endHours":11.232838672465554,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.232838672465554,"endHours":12.232838672465554,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.232838672465554,"endHours":13.232838672465554,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.232838672465554,"endHours":14.232838672465554,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.232838672465554,"endHours":15.232838672465554,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.232838672465554,"endHours":16.232838672465554,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.232838672465554,"endHours":17.232838672465554,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.232838672465554,"endHours":18.232838672465554,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.232838672465554,"endHours":19.232838672465554,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.232838672465554,"endHours":20.232838672465554,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.232838672465554,"endHours":21.232838672465554,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.232838672465554,"endHours":22.232838672465554,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.232838672465554,"endHours":23.232838672465554,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.232838672465554,"endHours":24.232838672465554,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.232838672465554,"endHours":25.232838672465554,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.232838672465554,"endHours":26.232838672465554,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.232838672465554,"endHours":27.232838672465554,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.232838672465554,"endHours":28.232838672465554,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.232838672465554,"endHours":29.232838672465554,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.232838672465554,"endHours":30.232838672465554,"planetary_lord":"Moon"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-3.1183347649992297,"eotMinutes":-10.217919928808794,"ayanamsa":21.2994}},"calendars":{"vikram_samvat":1874,"vikram_samvatsara":"Vikṛti","saka_samvat":1739,"saka_samvatsara":"Īśvara","bengali_samvat":1224,"malayalam_era":993,"nanakshahi_year":348,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Kṛṣṇa Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Kṛṣṇa Ekādaśī · Vikram 1874 Vikṛti · Śaka 1739 Īśvara"},"festivals":[{"id":"papamochani-ekadashi","name":"Pāpamocanī Ekādaśī","name_sanskrit":"पापमोचनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes mahā-pātakas (great sins).","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Caitra"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's 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 March 13, 1817 CE · Ayodhyā · Vidhyamitra","description":"March 13, 1817 CE for Ayodhyā: Kṛṣṇa Ekādaśī, sūryodaya 06:14, sūryāsta 18:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1817-03-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1817-03-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1817-03-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1817-03-13","x-default":"https://vidhyamitra.com/city/ayodhya/1817-03-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T15:11:32.548Z","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":"2026-05-21T15:11:32.548Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T15:11:32.548Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}