{"id":"vidhyamitra:city-day:ayodhya:2191-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2191-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2191-01-31","date_display":"January 31, 2191 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":2191,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521336.770833,"kali_year":5292,"ahargana":1932871.2708,"sun":{"sidereal_longitude":284.1365,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":357.0263,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.8898,"elapsed_within_tithi_degrees":0.8898},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.0263,"elapsed_within_degrees":10.3597},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.1628},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2191,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2521336.770833,"ahargana":1932871.2708,"kali_year":5292,"ayanamsa_lahiri":26.5223,"grahas":{"sun":{"sidereal_longitude":284.5931519999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":0.4899520000000166,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":-0.7924},"mars":{"sidereal_longitude":209.59485199999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":295.08495199999993,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":41.969352000000015,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":317.494152,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":209.999052,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":7.1784,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":187.1784,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2191,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2521336.770833,"kali_year":5292,"ahargana":1932871.2708,"sun":{"sidereal_longitude":284.1365,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":357.0263,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":72.8898,"elapsed_within_tithi_degrees":0.8898},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":357.0263,"elapsed_within_degrees":10.3597},"yoga":{"number":22,"name":"Sādhya","sum_longitude":281.1628},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.792,"elongation":72.89},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.792,"opposition_distance":107.11}},"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":"06:47","sunsetLocal":"17:42","solarNoonLocal":"12:15","dayLengthHours":10.914813395602387,"dayLengthDisplay":"10 Hours 54 Mins 53 Secs","nightLengthDisplay":"13 Hours 05 Mins 07 Secs","moonriseLocal":"10:54","moonsetLocal":"23:42","rahuKala":{"name":"Rāhu Kāla","start":"08:09","end":"09:31","startHours":8.152171452346472,"endHours":9.51652312679677,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:53","end":"12:15","startHours":10.880874801247069,"endHours":12.245226475697368,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:37","end":"14:58","startHours":13.609578150147666,"endHours":14.973929824597963,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.334609570203398,"endHours":9.698436683390144,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.242603669379607,"endHours":7.533665359929004,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881399362510622,"endHours":12.609053588884114,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.33251132514919,"endHours":6.060165551522681,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:47","startHours":5.878251994929308,"endHours":6.787819777896174,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.0643620416311,"endHours":14.792016268004591,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.502633173498563,"endHours":17.90263317349856,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.702633173498562,"endHours":18.157417064981995,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.452633173498562,"endHours":19.202633173498562,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.88139936251062,"endHours":24.609053588884116,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:47","end":"08:09","startHours":6.787819777896174,"endHours":8.152171452346472,"quality":"auspicious"},{"name":"Kāla","start":"08:09","end":"09:31","startHours":8.152171452346472,"endHours":9.51652312679677,"quality":"inauspicious"},{"name":"Śubha","start":"09:31","end":"10:53","startHours":9.51652312679677,"endHours":10.880874801247069,"quality":"auspicious"},{"name":"Roga","start":"10:53","end":"12:15","startHours":10.880874801247069,"endHours":12.245226475697368,"quality":"inauspicious"},{"name":"Udveg","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.609578150147666,"quality":"inauspicious"},{"name":"Chala","start":"13:37","end":"14:58","startHours":13.609578150147666,"endHours":14.973929824597963,"quality":"neutral"},{"name":"Labha","start":"14:58","end":"16:20","startHours":14.973929824597963,"endHours":16.338281499048264,"quality":"auspicious"},{"name":"Amṛta","start":"16:20","end":"17:42","startHours":16.338281499048264,"endHours":17.702633173498562,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:42","end":"19:20","startHours":17.702633173498562,"endHours":19.338281499048264,"quality":"neutral"},{"name":"Labha","start":"19:20","end":"20:58","startHours":19.338281499048264,"endHours":20.973929824597967,"quality":"auspicious"},{"name":"Amṛta","start":"20:58","end":"22:37","startHours":20.973929824597967,"endHours":22.609578150147666,"quality":"auspicious"},{"name":"Kāla","start":"22:37","end":"00:15","startHours":22.609578150147666,"endHours":24.24522647569737,"quality":"inauspicious"},{"name":"Śubha","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.88087480124707,"quality":"auspicious"},{"name":"Roga","start":"01:53","end":"03:31","startHours":25.88087480124707,"endHours":27.51652312679677,"quality":"inauspicious"},{"name":"Udveg","start":"03:31","end":"05:09","startHours":27.51652312679677,"endHours":29.152171452346472,"quality":"inauspicious"},{"name":"Chala","start":"05:09","end":"06:47","startHours":29.152171452346472,"endHours":30.787819777896175,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.787819777896174,"endHours":7.787819777896174,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.787819777896174,"endHours":8.787819777896175,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.787819777896175,"endHours":9.787819777896175,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.787819777896175,"endHours":10.787819777896175,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.787819777896175,"endHours":11.787819777896175,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.787819777896175,"endHours":12.787819777896175,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.787819777896175,"endHours":13.787819777896175,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.787819777896175,"endHours":14.787819777896175,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.787819777896175,"endHours":15.787819777896175,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.787819777896175,"endHours":16.787819777896175,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.787819777896175,"endHours":17.787819777896175,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.787819777896175,"endHours":18.787819777896175,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.787819777896175,"endHours":19.787819777896175,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.787819777896175,"endHours":20.787819777896175,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.787819777896175,"endHours":21.787819777896175,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.787819777896175,"endHours":22.787819777896175,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.787819777896175,"endHours":23.787819777896175,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.787819777896175,"endHours":24.787819777896175,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.787819777896175,"endHours":25.787819777896175,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.787819777896175,"endHours":26.787819777896175,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.787819777896175,"endHours":27.787819777896175,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.787819777896175,"endHours":28.787819777896175,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.787819777896175,"endHours":29.787819777896175,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.787819777896175,"endHours":30.787819777896175,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhūmra","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.436348268858858,"eotMinutes":-13.52958854184206,"ayanamsa":26.5223}},"calendars":{"vikram_samvat":2248,"vikram_samvatsara":"Krodhi","saka_samvat":2113,"saka_samvatsara":"Khara","bengali_samvat":1598,"malayalam_era":1367,"nanakshahi_year":722,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Saptamī · Vikram 2248 Krodhi · Śaka 2113 Khara"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"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":[]},"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 31, 2191 CE · Ayodhyā · Vidhyamitra","description":"January 31, 2191 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2191-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2191-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2191-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2191-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/2191-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T22:43:10.820Z","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":"2026-05-21T22:43:10.820Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T22:43:10.820Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}