{"id":"vidhyamitra:city-day:ayodhya:1670-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1670-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1670-01-31","date_display":"January 31, 1670 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":1670,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331045.770833,"kali_year":4771,"ahargana":1742580.2708,"sun":{"sidereal_longitude":293.1384,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":55.4684,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.33,"elapsed_within_tithi_degrees":2.33},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.4684,"elapsed_within_degrees":2.1351},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.6069},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"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":1670,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2331045.770833,"ahargana":1742580.2708,"kali_year":4771,"ayanamsa_lahiri":19.2444,"grahas":{"sun":{"sidereal_longitude":292.32796699999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":56.54096700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":false,"latitude":3.2221},"mars":{"sidereal_longitude":218.97576700000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":294.353667,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":81.79846700000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"venus":{"sidereal_longitude":343.367367,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":311.02326700000003,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":9.7114,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":189.7114,"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":1670,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2331045.770833,"kali_year":4771,"ahargana":1742580.2708,"sun":{"sidereal_longitude":293.1384,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":55.4684,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":122.33,"elapsed_within_tithi_degrees":2.33},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":55.4684,"elapsed_within_degrees":2.1351},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":348.6069},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.222,"elongation":122.33},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.222,"opposition_distance":57.67}},"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":10.924117453538265,"dayLengthDisplay":"10 Hours 55 Mins 27 Secs","nightLengthDisplay":"13 Hours 04 Mins 33 Secs","moonriseLocal":"13:40","moonsetLocal":"03:23","rahuKala":{"name":"Rāhu Kāla","start":"10:53","end":"12:15","startHours":10.879711794005084,"endHours":12.245226475697368,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:59","end":"16:21","startHours":14.976255839081933,"endHours":16.34177052077422,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:09","end":"09:31","startHours":8.148682430620518,"endHours":9.5141971123128,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:42","startHours":9.332128488087164,"endHours":9.69626573653844,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:14","end":"07:32","startHours":7.238339309492329,"endHours":7.529649108253349,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:37","startHours":11.881089227246093,"endHours":12.609363724148643,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:03","startHours":5.326618755123133,"endHours":6.054893252025684,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:47","startHours":5.872824627800046,"endHours":6.783167748928235,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:48","startHours":14.065912717953745,"endHours":14.794187214856297,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.5072852024665,"endHours":17.9072852024665,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:10","startHours":17.7072852024665,"endHours":18.162456763030594,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.4572852024665,"endHours":19.2072852024665,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:37","startHours":23.881089227246093,"endHours":24.609363724148643,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:47","end":"08:09","startHours":6.783167748928235,"endHours":8.148682430620518,"quality":"neutral"},{"name":"Labha","start":"08:09","end":"09:31","startHours":8.148682430620518,"endHours":9.5141971123128,"quality":"auspicious"},{"name":"Amṛta","start":"09:31","end":"10:53","startHours":9.5141971123128,"endHours":10.879711794005084,"quality":"auspicious"},{"name":"Kāla","start":"10:53","end":"12:15","startHours":10.879711794005084,"endHours":12.245226475697368,"quality":"inauspicious"},{"name":"Śubha","start":"12:15","end":"13:37","startHours":12.245226475697368,"endHours":13.61074115738965,"quality":"auspicious"},{"name":"Roga","start":"13:37","end":"14:59","startHours":13.61074115738965,"endHours":14.976255839081933,"quality":"inauspicious"},{"name":"Udveg","start":"14:59","end":"16:21","startHours":14.976255839081933,"endHours":16.34177052077422,"quality":"inauspicious"},{"name":"Chala","start":"16:21","end":"17:42","startHours":16.34177052077422,"endHours":17.7072852024665,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:42","end":"19:21","startHours":17.7072852024665,"endHours":19.34177052077422,"quality":"inauspicious"},{"name":"Udveg","start":"19:21","end":"20:59","startHours":19.34177052077422,"endHours":20.976255839081936,"quality":"inauspicious"},{"name":"Chala","start":"20:59","end":"22:37","startHours":20.976255839081936,"endHours":22.61074115738965,"quality":"neutral"},{"name":"Labha","start":"22:37","end":"00:15","startHours":22.61074115738965,"endHours":24.24522647569737,"quality":"auspicious"},{"name":"Amṛta","start":"00:15","end":"01:53","startHours":24.24522647569737,"endHours":25.879711794005086,"quality":"auspicious"},{"name":"Kāla","start":"01:53","end":"03:31","startHours":25.879711794005086,"endHours":27.5141971123128,"quality":"inauspicious"},{"name":"Śubha","start":"03:31","end":"05:09","startHours":27.5141971123128,"endHours":29.148682430620518,"quality":"auspicious"},{"name":"Roga","start":"05:09","end":"06:47","startHours":29.148682430620518,"endHours":30.783167748928236,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.783167748928235,"endHours":7.783167748928235,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.783167748928235,"endHours":8.783167748928236,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.783167748928236,"endHours":9.783167748928236,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.783167748928236,"endHours":10.783167748928236,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.783167748928236,"endHours":11.783167748928236,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.783167748928236,"endHours":12.783167748928236,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.783167748928236,"endHours":13.783167748928236,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.783167748928236,"endHours":14.783167748928236,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.783167748928236,"endHours":15.783167748928236,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.783167748928236,"endHours":16.783167748928236,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.783167748928236,"endHours":17.783167748928236,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.783167748928236,"endHours":18.783167748928236,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.783167748928236,"endHours":19.783167748928236,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.783167748928236,"endHours":20.783167748928236,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.783167748928236,"endHours":21.783167748928236,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.783167748928236,"endHours":22.783167748928236,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.783167748928236,"endHours":23.783167748928236,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.783167748928236,"endHours":24.783167748928236,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.783167748928236,"endHours":25.783167748928236,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.783167748928236,"endHours":26.783167748928236,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.783167748928236,"endHours":27.783167748928236,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.783167748928236,"endHours":28.783167748928236,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.783167748928236,"endHours":29.783167748928236,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.783167748928236,"endHours":30.783167748928236,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-17.31056345474774,"eotMinutes":-13.52958854184206,"ayanamsa":19.2444}},"calendars":{"vikram_samvat":1727,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1592,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1077,"malayalam_era":846,"nanakshahi_year":201,"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 Ekādaśī · Vikram 1727 Rudhirodgāri · Śaka 1592 Sādhāraṇa"},"festivals":[{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"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}],"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 January 31, 1670 CE · Ayodhyā · Vidhyamitra","description":"January 31, 1670 CE for Ayodhyā: Śukla Ekādaśī, sūryodaya 06:47, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1670-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1670-01-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/1670-01-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/1670-01-31","x-default":"https://vidhyamitra.com/city/ayodhya/1670-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-04T07:03:39.629Z","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":"2026-06-04T07:03:39.629Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-04T07:03:39.629Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}