{"id":"vidhyamitra:city-day:ayodhya:1668-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1668-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1668-01-31","date_display":"January 31, 1668 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":1668,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2330314.770833,"kali_year":4769,"ahargana":1741849.2708,"sun":{"sidereal_longitude":292.6464,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":134.5786,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":201.9322,"elapsed_within_tithi_degrees":9.9322},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5786,"elapsed_within_degrees":1.2453},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.225},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1668,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2330314.770833,"ahargana":1741849.2708,"kali_year":4769,"ayanamsa_lahiri":19.2164,"grahas":{"sun":{"sidereal_longitude":291.833396,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":133.29539599999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":4.4897},"mars":{"sidereal_longitude":198.65369599999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":272.343296,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":13.701996000000008,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":312.78879600000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":290.46629600000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":48.4433,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":228.4433,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","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":1668,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2330314.770833,"kali_year":4769,"ahargana":1741849.2708,"sun":{"sidereal_longitude":292.6464,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":134.5786,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":201.9322,"elapsed_within_tithi_degrees":9.9322},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.5786,"elapsed_within_degrees":1.2453},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":67.225},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.49,"elongation":158.068},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.49,"opposition_distance":21.932}},"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":10.913481746712698,"dayLengthDisplay":"10 Hours 54 Mins 49 Secs","nightLengthDisplay":"13 Hours 05 Mins 11 Secs","moonriseLocal":"19:16","moonsetLocal":"08:05","rahuKala":{"name":"Rāhu Kāla","start":"14:58","end":"16:20","startHours":14.973596912375543,"endHours":16.33778213071463,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:31","end":"10:53","startHours":9.516856039019194,"endHours":10.88104125735828,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.609411694036456,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.334964676573982,"endHours":9.698747401464406,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.243214008454048,"endHours":7.534240188366387,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881443750806945,"endHours":12.609009200587792,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:04","startHours":5.333354702779326,"endHours":6.060920152560173,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:53","end":"06:47","startHours":5.879028790114961,"endHours":6.788485602341019,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.064140100149483,"endHours":14.79170554993033,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.501967349053718,"endHours":17.901967349053717,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.701967349053717,"endHours":18.156695755166748,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.451967349053717,"endHours":19.201967349053717,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.881443750806945,"endHours":24.609009200587792,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:47","end":"08:09","startHours":6.788485602341019,"endHours":8.152670820680108,"quality":"inauspicious"},{"name":"Udveg","start":"08:09","end":"09:31","startHours":8.152670820680108,"endHours":9.516856039019194,"quality":"inauspicious"},{"name":"Chala","start":"09:31","end":"10:53","startHours":9.516856039019194,"endHours":10.88104125735828,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:15","startHours":10.88104125735828,"endHours":12.245226475697368,"quality":"auspicious"},{"name":"Amṛta","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.609411694036456,"quality":"auspicious"},{"name":"Kāla","start":"13:37","end":"14:58","startHours":13.609411694036456,"endHours":14.973596912375543,"quality":"inauspicious"},{"name":"Śubha","start":"14:58","end":"16:20","startHours":14.973596912375543,"endHours":16.33778213071463,"quality":"auspicious"},{"name":"Roga","start":"16:20","end":"17:42","startHours":16.33778213071463,"endHours":17.701967349053717,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:42","end":"19:20","startHours":17.701967349053717,"endHours":19.33778213071463,"quality":"inauspicious"},{"name":"Śubha","start":"19:20","end":"20:58","startHours":19.33778213071463,"endHours":20.97359691237554,"quality":"auspicious"},{"name":"Roga","start":"20:58","end":"22:37","startHours":20.97359691237554,"endHours":22.609411694036456,"quality":"inauspicious"},{"name":"Udveg","start":"22:37","end":"00:15","startHours":22.609411694036456,"endHours":24.24522647569737,"quality":"inauspicious"},{"name":"Chala","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.88104125735828,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:31","startHours":25.88104125735828,"endHours":27.516856039019196,"quality":"auspicious"},{"name":"Amṛta","start":"03:31","end":"05:09","startHours":27.516856039019196,"endHours":29.152670820680108,"quality":"auspicious"},{"name":"Kāla","start":"05:09","end":"06:47","startHours":29.152670820680108,"endHours":30.78848560234102,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.788485602341019,"endHours":7.788485602341019,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.788485602341019,"endHours":8.78848560234102,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.78848560234102,"endHours":9.78848560234102,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.78848560234102,"endHours":10.78848560234102,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.78848560234102,"endHours":11.78848560234102,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.78848560234102,"endHours":12.78848560234102,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.78848560234102,"endHours":13.78848560234102,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.78848560234102,"endHours":14.78848560234102,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.78848560234102,"endHours":15.78848560234102,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.78848560234102,"endHours":16.78848560234102,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.78848560234102,"endHours":17.78848560234102,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.78848560234102,"endHours":18.78848560234102,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.78848560234102,"endHours":19.78848560234102,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.78848560234102,"endHours":20.78848560234102,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.78848560234102,"endHours":21.78848560234102,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.78848560234102,"endHours":22.78848560234102,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.78848560234102,"endHours":23.78848560234102,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.78848560234102,"endHours":24.78848560234102,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.78848560234102,"endHours":25.78848560234102,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.78848560234102,"endHours":26.78848560234102,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.78848560234102,"endHours":27.78848560234102,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.78848560234102,"endHours":28.78848560234102,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.78848560234102,"endHours":29.78848560234102,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.78848560234102,"endHours":30.78848560234102,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Siddhi","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":-17.454336060327055,"eotMinutes":-13.52958854184206,"ayanamsa":19.2164}},"calendars":{"vikram_samvat":1725,"vikram_samvatsara":"Durmati","saka_samvat":1590,"saka_samvatsara":"Kīlaka","bengali_samvat":1075,"malayalam_era":844,"nanakshahi_year":199,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","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":"Phālguna Kṛṣṇa Dvitīyā · Vikram 1725 Durmati · Śaka 1590 Kīlaka"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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, 1668 CE · Ayodhyā · Vidhyamitra","description":"January 31, 1668 CE for Ayodhyā: Kṛṣṇa Dvitīyā, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1668-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1668-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1668-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1668-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/1668-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T21:06:28.446Z","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":"2026-06-04T21:06:28.446Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T21:06:28.446Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}