{"id":"vidhyamitra:city-day:ayodhya:1665-09-25:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1665-09-25","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1665-09-25","date_display":"September 25, 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":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329456.770833,"kali_year":4767,"ahargana":1740991.2708,"sun":{"sidereal_longitude":163.2532,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.6097,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.3565,"elapsed_within_tithi_degrees":8.3565},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.6097,"elapsed_within_degrees":4.943},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.8629},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":9,"day":25,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2329456.770833,"ahargana":1740991.2708,"kali_year":4767,"ayanamsa_lahiri":19.1836,"grahas":{"sun":{"sidereal_longitude":163.19207800000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"moon":{"sidereal_longitude":350.632878,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-4.3966},"mars":{"sidereal_longitude":115.787578,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":193.66497800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":298.1981780000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":122.293678,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":258.457178,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":93.9042,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":273.9042,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1665,"month":9,"day":25,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2329456.770833,"kali_year":4767,"ahargana":1740991.2708,"sun":{"sidereal_longitude":163.2532,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":351.6097,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":188.3565,"elapsed_within_tithi_degrees":8.3565},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":351.6097,"elapsed_within_degrees":4.943},"yoga":{"number":12,"name":"Dhruva","sum_longitude":154.8629},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.397,"elongation":171.644},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.397,"opposition_distance":8.356}},"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":"05:50","sunsetLocal":"17:54","solarNoonLocal":"11:52","dayLengthHours":12.060817515407754,"dayLengthDisplay":"12 Hours 03 Mins 39 Secs","nightLengthDisplay":"11 Hours 56 Mins 21 Secs","moonriseLocal":"18:11","moonsetLocal":"06:32","rahuKala":{"name":"Rāhu Kāla","start":"10:22","end":"11:52","startHours":10.359689034101665,"endHours":11.867291223527634,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:53","end":"16:23","startHours":14.882495602379572,"endHours":16.390097791805545,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:21","end":"08:51","startHours":7.344484655249727,"endHours":8.852086844675696,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:03","startHours":8.651073219418901,"endHours":9.053100469932492,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:20","end":"06:40","startHours":6.339416528965748,"endHours":6.661038329376621,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:16","startHours":11.465263973014041,"endHours":12.269318474041226,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:14","end":"05:02","startHours":4.22877346376939,"endHours":5.032827964796574,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:50","startHours":4.831814339539778,"endHours":5.8368824658237575,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:41","startHours":13.877427476095592,"endHours":14.681481977122775,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:42","end":"18:06","startHours":17.697699981231512,"endHours":18.09769998123151,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:54","end":"18:24","startHours":17.89769998123151,"endHours":18.4002340443735,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:39","end":"19:24","startHours":17.64769998123151,"endHours":19.39769998123151,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:16","startHours":23.465263973014043,"endHours":24.269318474041224,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:50","end":"07:21","startHours":5.8368824658237575,"endHours":7.344484655249727,"quality":"neutral"},{"name":"Labha","start":"07:21","end":"08:51","startHours":7.344484655249727,"endHours":8.852086844675696,"quality":"auspicious"},{"name":"Amṛta","start":"08:51","end":"10:22","startHours":8.852086844675696,"endHours":10.359689034101665,"quality":"auspicious"},{"name":"Kāla","start":"10:22","end":"11:52","startHours":10.359689034101665,"endHours":11.867291223527634,"quality":"inauspicious"},{"name":"Śubha","start":"11:52","end":"13:22","startHours":11.867291223527634,"endHours":13.374893412953604,"quality":"auspicious"},{"name":"Roga","start":"13:22","end":"14:53","startHours":13.374893412953604,"endHours":14.882495602379572,"quality":"inauspicious"},{"name":"Udveg","start":"14:53","end":"16:23","startHours":14.882495602379572,"endHours":16.390097791805545,"quality":"inauspicious"},{"name":"Chala","start":"16:23","end":"17:54","startHours":16.390097791805545,"endHours":17.89769998123151,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:54","end":"19:23","startHours":17.89769998123151,"endHours":19.39009779180554,"quality":"inauspicious"},{"name":"Udveg","start":"19:23","end":"20:53","startHours":19.39009779180554,"endHours":20.882495602379574,"quality":"inauspicious"},{"name":"Chala","start":"20:53","end":"22:22","startHours":20.882495602379574,"endHours":22.374893412953604,"quality":"neutral"},{"name":"Labha","start":"22:22","end":"23:52","startHours":22.374893412953604,"endHours":23.867291223527634,"quality":"auspicious"},{"name":"Amṛta","start":"23:52","end":"01:22","startHours":23.867291223527634,"endHours":25.359689034101663,"quality":"auspicious"},{"name":"Kāla","start":"01:22","end":"02:51","startHours":25.359689034101663,"endHours":26.852086844675696,"quality":"inauspicious"},{"name":"Śubha","start":"02:51","end":"04:21","startHours":26.852086844675696,"endHours":28.344484655249726,"quality":"auspicious"},{"name":"Roga","start":"04:21","end":"05:50","startHours":28.344484655249726,"endHours":29.836882465823756,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:50","end":"06:50","startHours":5.8368824658237575,"endHours":6.8368824658237575,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:50","end":"07:50","startHours":6.8368824658237575,"endHours":7.8368824658237575,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:50","end":"08:50","startHours":7.8368824658237575,"endHours":8.836882465823757,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:50","end":"09:50","startHours":8.836882465823757,"endHours":9.836882465823757,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:50","end":"10:50","startHours":9.836882465823757,"endHours":10.836882465823757,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:50","end":"11:50","startHours":10.836882465823757,"endHours":11.836882465823757,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:50","end":"12:50","startHours":11.836882465823757,"endHours":12.836882465823757,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:50","end":"13:50","startHours":12.836882465823757,"endHours":13.836882465823757,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:50","end":"14:50","startHours":13.836882465823757,"endHours":14.836882465823757,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:50","end":"15:50","startHours":14.836882465823757,"endHours":15.836882465823757,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:50","end":"16:50","startHours":15.836882465823757,"endHours":16.836882465823756,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:50","end":"17:50","startHours":16.836882465823756,"endHours":17.836882465823756,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:50","end":"18:50","startHours":17.836882465823756,"endHours":18.836882465823756,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:50","end":"19:50","startHours":18.836882465823756,"endHours":19.836882465823756,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:50","end":"20:50","startHours":19.836882465823756,"endHours":20.836882465823756,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:50","end":"21:50","startHours":20.836882465823756,"endHours":21.836882465823756,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:50","end":"22:50","startHours":21.836882465823756,"endHours":22.836882465823756,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:50","end":"23:50","startHours":22.836882465823756,"endHours":23.836882465823756,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:50","end":"00:50","startHours":23.836882465823756,"endHours":24.836882465823756,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:50","end":"01:50","startHours":24.836882465823756,"endHours":25.836882465823756,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:50","end":"02:50","startHours":25.836882465823756,"endHours":26.836882465823756,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:50","end":"03:50","startHours":26.836882465823756,"endHours":27.836882465823756,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:50","end":"04:50","startHours":27.836882465823756,"endHours":28.836882465823756,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:50","end":"05:50","startHours":28.836882465823756,"endHours":29.836882465823756,"planetary_lord":"Mars"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-West","rahuVasa":"South-East","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-0.9446563357129897,"eotMinutes":9.146526588342006,"ayanamsa":19.1836}},"calendars":{"vikram_samvat":1722,"vikram_samvatsara":"Kālayukta","saka_samvat":1587,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1072,"malayalam_era":841,"nanakshahi_year":196,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Pratipada · Vikram 1722 Kālayukta · Śaka 1587 Viśvāvasu"},"festivals":[],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 September 25, 1665 CE · Ayodhyā · Vidhyamitra","description":"September 25, 1665 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 05:50, sūryāsta 17:54.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1665-09-25","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1665-09-25","sa":"https://sa.vidhyamitra.com/city/ayodhya/1665-09-25","hi":"https://hi.vidhyamitra.com/city/ayodhya/1665-09-25","x-default":"https://vidhyamitra.com/city/ayodhya/1665-09-25"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-05T17:09:30.697Z","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":"2026-06-05T17:09:30.697Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-05T17:09:30.697Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}