{"id":"vidhyamitra:city-day:ayodhya:1665-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1665-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1665-01-31","date_display":"January 31, 1665 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":1665,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329219.770833,"kali_year":4766,"ahargana":1740754.2708,"sun":{"sidereal_longitude":293.438,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":110.2931,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.8551,"elapsed_within_tithi_degrees":8.8551},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.2931,"elapsed_within_degrees":3.6264},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.7311},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1665,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329219.770833,"ahargana":1740754.2708,"kali_year":4766,"ayanamsa_lahiri":19.1745,"grahas":{"sun":{"sidereal_longitude":292.61363299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":109.47623299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false,"latitude":0.3004},"mars":{"sidereal_longitude":306.654133,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":314.7948329999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":288.03483299999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"venus":{"sidereal_longitude":331.1662329999999,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":260.438133,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":106.4616,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":286.4616,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"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":1665,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329219.770833,"kali_year":4766,"ahargana":1740754.2708,"sun":{"sidereal_longitude":293.438,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":110.2931,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":176.8551,"elapsed_within_tithi_degrees":8.8551},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2,"moon_longitude":110.2931,"elapsed_within_degrees":3.6264},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":43.7311},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.3,"elongation":176.855},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.3,"opposition_distance":3.145}},"eclipse_window_40days":[{"offset_days":-15,"type":"solar","occurs":true,"moon_latitude":0.874,"elongation":2.056}]},"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":"17:43","solarNoonLocal":"12:15","dayLengthHours":10.928533253061111,"dayLengthDisplay":"10 Hours 55 Mins 43 Secs","nightLengthDisplay":"13 Hours 04 Mins 17 Secs","moonriseLocal":"17:21","moonsetLocal":"06:43","rahuKala":{"name":"Rāhu Kāla","start":"09:31","end":"10:53","startHours":9.513093162432089,"endHours":10.879159819064729,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:37","end":"14:59","startHours":13.611293132330006,"endHours":14.977359788962644,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:47","end":"08:09","startHours":6.780959849166812,"endHours":8.14702650579945,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.330950941547737,"endHours":9.695235383316442,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.236315401377691,"endHours":7.527742954792655,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.880942033928665,"endHours":12.609510917466071,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:19","end":"06:03","startHours":5.323822082091997,"endHours":6.052390965629404,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:47","startHours":5.870248744745052,"endHours":6.780959849166812,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.066648684540887,"endHours":14.795217568078295,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.509493102227925,"endHours":17.909493102227923,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:10","startHours":17.709493102227924,"endHours":18.164848654438803,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.459493102227924,"endHours":19.209493102227924,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.880942033928665,"endHours":24.60951091746607,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:47","end":"08:09","startHours":6.780959849166812,"endHours":8.14702650579945,"quality":"inauspicious"},{"name":"Śubha","start":"08:09","end":"09:31","startHours":8.14702650579945,"endHours":9.513093162432089,"quality":"auspicious"},{"name":"Roga","start":"09:31","end":"10:53","startHours":9.513093162432089,"endHours":10.879159819064729,"quality":"inauspicious"},{"name":"Udveg","start":"10:53","end":"12:15","startHours":10.879159819064729,"endHours":12.245226475697368,"quality":"inauspicious"},{"name":"Chala","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.611293132330006,"quality":"neutral"},{"name":"Labha","start":"13:37","end":"14:59","startHours":13.611293132330006,"endHours":14.977359788962644,"quality":"auspicious"},{"name":"Amṛta","start":"14:59","end":"16:21","startHours":14.977359788962644,"endHours":16.343426445595284,"quality":"auspicious"},{"name":"Kāla","start":"16:21","end":"17:43","startHours":16.343426445595284,"endHours":17.709493102227924,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:43","end":"19:21","startHours":17.709493102227924,"endHours":19.343426445595284,"quality":"auspicious"},{"name":"Amṛta","start":"19:21","end":"20:59","startHours":19.343426445595284,"endHours":20.977359788962644,"quality":"auspicious"},{"name":"Kāla","start":"20:59","end":"22:37","startHours":20.977359788962644,"endHours":22.611293132330008,"quality":"inauspicious"},{"name":"Śubha","start":"22:37","end":"00:15","startHours":22.611293132330008,"endHours":24.24522647569737,"quality":"auspicious"},{"name":"Roga","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.87915981906473,"quality":"inauspicious"},{"name":"Udveg","start":"01:53","end":"03:31","startHours":25.87915981906473,"endHours":27.513093162432092,"quality":"inauspicious"},{"name":"Chala","start":"03:31","end":"05:09","startHours":27.513093162432092,"endHours":29.147026505799452,"quality":"neutral"},{"name":"Labha","start":"05:09","end":"06:47","startHours":29.147026505799452,"endHours":30.780959849166813,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.780959849166812,"endHours":7.780959849166812,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.780959849166812,"endHours":8.780959849166813,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.780959849166813,"endHours":9.780959849166813,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.780959849166813,"endHours":10.780959849166813,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.780959849166813,"endHours":11.780959849166813,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.780959849166813,"endHours":12.780959849166813,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.780959849166813,"endHours":13.780959849166813,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.780959849166813,"endHours":14.780959849166813,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.780959849166813,"endHours":15.780959849166813,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.780959849166813,"endHours":16.780959849166813,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.780959849166813,"endHours":17.780959849166813,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.780959849166813,"endHours":18.780959849166813,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.780959849166813,"endHours":19.780959849166813,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.780959849166813,"endHours":20.780959849166813,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.780959849166813,"endHours":21.780959849166813,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.780959849166813,"endHours":22.780959849166813,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.780959849166813,"endHours":23.780959849166813,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.780959849166813,"endHours":24.780959849166813,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.780959849166813,"endHours":25.780959849166813,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.780959849166813,"endHours":26.780959849166813,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.780959849166813,"endHours":27.780959849166813,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.780959849166813,"endHours":28.780959849166813,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.780959849166813,"endHours":29.780959849166813,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.780959849166813,"endHours":30.780959849166813,"planetary_lord":"Mercury"}],"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","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Saumya","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":-17.25079973398106,"eotMinutes":-13.52958854184206,"ayanamsa":19.1745}},"calendars":{"vikram_samvat":1722,"vikram_samvatsara":"Kālayukta","saka_samvat":1587,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1072,"malayalam_era":841,"nanakshahi_year":196,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Pūrṇimā · Vikram 1722 Kālayukta · Śaka 1587 Viśvāvasu"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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":"-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 31, 1665 CE · Ayodhyā · Vidhyamitra","description":"January 31, 1665 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:47, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1665-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1665-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1665-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1665-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/1665-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T02:21:57.833Z","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":"2026-06-05T02:21:57.833Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T02:21:57.833Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}