{"id":"vidhyamitra:city-day:ayodhya:1691-01-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1691-01-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1691-01-12","date_display":"January 12, 1691 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":1691,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338696.770833,"kali_year":4792,"ahargana":1750231.2708,"sun":{"sidereal_longitude":273.2499,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":60.572,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.3221,"elapsed_within_tithi_degrees":3.3221},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.572,"elapsed_within_degrees":7.2386},"yoga":{"number":26,"name":"Indra","sum_longitude":333.8218},"karana":{"half_tithi_index":24,"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":1691,"month":1,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2338696.770833,"ahargana":1750231.2708,"kali_year":4792,"ayanamsa_lahiri":19.537,"grahas":{"sun":{"sidereal_longitude":272.62444200000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":58.01744200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":4.4732},"mars":{"sidereal_longitude":247.68024200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":278.04054199999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":347.817642,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":306.3586419999999,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":true},"saturn":{"sidereal_longitude":222.308042,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":324.3246,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":144.3246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"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":1691,"month":1,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2338696.770833,"kali_year":4792,"ahargana":1750231.2708,"sun":{"sidereal_longitude":273.2499,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":60.572,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":147.3221,"elapsed_within_tithi_degrees":3.3221},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3,"moon_longitude":60.572,"elapsed_within_degrees":7.2386},"yoga":{"number":26,"name":"Indra","sum_longitude":333.8218},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.473,"elongation":147.322},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.473,"opposition_distance":32.678}},"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":"06:52","sunsetLocal":"17:27","solarNoonLocal":"12:09","dayLengthHours":10.597080580754962,"dayLengthDisplay":"10 Hours 35 Mins 49 Secs","nightLengthDisplay":"13 Hours 24 Mins 11 Secs","moonriseLocal":"14:59","moonsetLocal":"04:43","rahuKala":{"name":"Rāhu Kāla","start":"10:50","end":"12:09","startHours":10.832856304678597,"endHours":12.157491377272965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:48","end":"16:08","startHours":14.806761522461706,"endHours":16.131396595056078,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:11","end":"09:30","startHours":8.183586159489856,"endHours":9.508221232084225,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:20","end":"09:41","startHours":9.331603222404976,"endHours":9.684839241763475,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:18","end":"07:35","startHours":7.300496111093608,"endHours":7.583084926580407,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:31","startHours":11.804255357914466,"endHours":12.510727396631465,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:27","end":"06:09","startHours":5.44600700946149,"endHours":6.1524790481784875,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:59","end":"06:52","startHours":5.975861038499238,"endHours":6.858951086895485,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:38","startHours":13.92367147406546,"endHours":14.630143512782457,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.256031667650447,"endHours":17.656031667650446,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:54","startHours":17.456031667650446,"endHours":17.89757669184857,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.206031667650446,"endHours":18.956031667650446,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:31","startHours":23.804255357914467,"endHours":24.510727396631463,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:52","end":"08:11","startHours":6.858951086895485,"endHours":8.183586159489856,"quality":"neutral"},{"name":"Labha","start":"08:11","end":"09:30","startHours":8.183586159489856,"endHours":9.508221232084225,"quality":"auspicious"},{"name":"Amṛta","start":"09:30","end":"10:50","startHours":9.508221232084225,"endHours":10.832856304678597,"quality":"auspicious"},{"name":"Kāla","start":"10:50","end":"12:09","startHours":10.832856304678597,"endHours":12.157491377272965,"quality":"inauspicious"},{"name":"Śubha","start":"12:09","end":"13:29","startHours":12.157491377272965,"endHours":13.482126449867337,"quality":"auspicious"},{"name":"Roga","start":"13:29","end":"14:48","startHours":13.482126449867337,"endHours":14.806761522461706,"quality":"inauspicious"},{"name":"Udveg","start":"14:48","end":"16:08","startHours":14.806761522461706,"endHours":16.131396595056078,"quality":"inauspicious"},{"name":"Chala","start":"16:08","end":"17:27","startHours":16.131396595056078,"endHours":17.456031667650446,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:27","end":"19:08","startHours":17.456031667650446,"endHours":19.131396595056074,"quality":"inauspicious"},{"name":"Udveg","start":"19:08","end":"20:48","startHours":19.131396595056074,"endHours":20.806761522461706,"quality":"inauspicious"},{"name":"Chala","start":"20:48","end":"22:29","startHours":20.806761522461706,"endHours":22.482126449867337,"quality":"neutral"},{"name":"Labha","start":"22:29","end":"00:09","startHours":22.482126449867337,"endHours":24.157491377272965,"quality":"auspicious"},{"name":"Amṛta","start":"00:09","end":"01:50","startHours":24.157491377272965,"endHours":25.832856304678593,"quality":"auspicious"},{"name":"Kāla","start":"01:50","end":"03:30","startHours":25.832856304678593,"endHours":27.508221232084225,"quality":"inauspicious"},{"name":"Śubha","start":"03:30","end":"05:11","startHours":27.508221232084225,"endHours":29.183586159489856,"quality":"auspicious"},{"name":"Roga","start":"05:11","end":"06:52","startHours":29.183586159489856,"endHours":30.858951086895484,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:52","end":"07:52","startHours":6.858951086895485,"endHours":7.858951086895485,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:52","end":"08:52","startHours":7.858951086895485,"endHours":8.858951086895484,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:52","end":"09:52","startHours":8.858951086895484,"endHours":9.858951086895484,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:52","end":"10:52","startHours":9.858951086895484,"endHours":10.858951086895484,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:52","end":"11:52","startHours":10.858951086895484,"endHours":11.858951086895484,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:52","end":"12:52","startHours":11.858951086895484,"endHours":12.858951086895484,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:52","end":"13:52","startHours":12.858951086895484,"endHours":13.858951086895484,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:52","end":"14:52","startHours":13.858951086895484,"endHours":14.858951086895484,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:52","end":"15:52","startHours":14.858951086895484,"endHours":15.858951086895484,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:52","end":"16:52","startHours":15.858951086895484,"endHours":16.858951086895484,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:52","end":"17:52","startHours":16.858951086895484,"endHours":17.858951086895484,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:52","end":"18:52","startHours":17.858951086895484,"endHours":18.858951086895484,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:52","end":"19:52","startHours":18.858951086895484,"endHours":19.858951086895484,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:52","end":"20:52","startHours":19.858951086895484,"endHours":20.858951086895484,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:52","end":"21:52","startHours":20.858951086895484,"endHours":21.858951086895484,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:52","end":"22:52","startHours":21.858951086895484,"endHours":22.858951086895484,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:52","end":"23:52","startHours":22.858951086895484,"endHours":23.858951086895484,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:52","end":"00:52","startHours":23.858951086895484,"endHours":24.858951086895484,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:52","end":"01:52","startHours":24.858951086895484,"endHours":25.858951086895484,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:52","end":"02:52","startHours":25.858951086895484,"endHours":26.858951086895484,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:52","end":"03:52","startHours":26.858951086895484,"endHours":27.858951086895484,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:52","end":"04:52","startHours":27.858951086895484,"endHours":28.858951086895484,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:52","end":"05:52","startHours":28.858951086895484,"endHours":29.858951086895484,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:52","end":"06:52","startHours":29.858951086895484,"endHours":30.858951086895484,"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":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.613883324367656,"eotMinutes":-8.265482636377905,"ayanamsa":19.537}},"calendars":{"vikram_samvat":1748,"vikram_samvatsara":"Tāraṇa","saka_samvat":1613,"saka_samvatsara":"Prajāpati","bengali_samvat":1098,"malayalam_era":867,"nanakshahi_year":222,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 1748 Tāraṇa · Śaka 1613 Prajāpati"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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 12, 1691 CE · Ayodhyā · Vidhyamitra","description":"January 12, 1691 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:52, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1691-01-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1691-01-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1691-01-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1691-01-12","x-default":"https://vidhyamitra.com/city/ayodhya/1691-01-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T13:48:52.622Z","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":"2026-06-03T13:48:52.622Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T13:48:52.622Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}