{"id":"vidhyamitra:city-day:ayodhya:1912-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1912-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1912-12-13","date_display":"December 13, 1912 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":1912,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419749.770833,"kali_year":5014,"ahargana":1831284.2708,"sun":{"sidereal_longitude":237.8616,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":289.6409,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.7792,"elapsed_within_tithi_degrees":3.7792},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.6409,"elapsed_within_degrees":9.6409},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.5025},"karana":{"half_tithi_index":8,"name":"Bava"},"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":1912,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2419749.770833,"ahargana":1831284.2708,"kali_year":5014,"ayanamsa_lahiri":22.637,"grahas":{"sun":{"sidereal_longitude":238.050122,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":286.945422,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":-3.9003},"mars":{"sidereal_longitude":227.68032199999993,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":229.887022,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":244.004322,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":278.7078220000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":37.354622000000006,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":349.7466,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":169.7466,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1912,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2419749.770833,"kali_year":5014,"ahargana":1831284.2708,"sun":{"sidereal_longitude":237.8616,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":289.6409,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":51.7792,"elapsed_within_tithi_degrees":3.7792},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":289.6409,"elapsed_within_degrees":9.6409},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":167.5025},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.9,"elongation":51.779},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.9,"opposition_distance":128.221}},"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":"06:42","sunsetLocal":"17:10","solarNoonLocal":"11:56","dayLengthHours":10.478573193465394,"dayLengthDisplay":"10 Hours 28 Mins 43 Secs","nightLengthDisplay":"13 Hours 31 Mins 17 Secs","moonriseLocal":"09:46","moonsetLocal":"20:37","rahuKala":{"name":"Rāhu Kāla","start":"10:38","end":"11:56","startHours":10.625067513326524,"endHours":11.934889162509698,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:33","end":"15:52","startHours":14.554532460876047,"endHours":15.864354110059221,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:00","end":"09:19","startHours":8.005424214960176,"endHours":9.31524586414335,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.140602977585592,"endHours":9.489888750701105,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:25","startHours":7.132209782171392,"endHours":7.4116384006638025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.585603389394185,"endHours":12.284174935625211,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:00","startHours":5.2984594733149475,"endHours":5.997031019545974,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:42","startHours":5.822388132988218,"endHours":6.695602565777,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:23","startHours":13.681318028087261,"endHours":14.379889574318288,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.974175759242396,"endHours":17.374175759242394,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.174175759242395,"endHours":17.610782975636788,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.924175759242395,"endHours":18.674175759242395,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.585603389394183,"endHours":24.284174935625213,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:42","end":"08:00","startHours":6.695602565777,"endHours":8.005424214960176,"quality":"neutral"},{"name":"Labha","start":"08:00","end":"09:19","startHours":8.005424214960176,"endHours":9.31524586414335,"quality":"auspicious"},{"name":"Amṛta","start":"09:19","end":"10:38","startHours":9.31524586414335,"endHours":10.625067513326524,"quality":"auspicious"},{"name":"Kāla","start":"10:38","end":"11:56","startHours":10.625067513326524,"endHours":11.934889162509698,"quality":"inauspicious"},{"name":"Śubha","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244710811692872,"quality":"auspicious"},{"name":"Roga","start":"13:15","end":"14:33","startHours":13.244710811692872,"endHours":14.554532460876047,"quality":"inauspicious"},{"name":"Udveg","start":"14:33","end":"15:52","startHours":14.554532460876047,"endHours":15.864354110059221,"quality":"inauspicious"},{"name":"Chala","start":"15:52","end":"17:10","startHours":15.864354110059221,"endHours":17.174175759242395,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:10","end":"18:52","startHours":17.174175759242395,"endHours":18.86435411005922,"quality":"inauspicious"},{"name":"Udveg","start":"18:52","end":"20:33","startHours":18.86435411005922,"endHours":20.554532460876047,"quality":"inauspicious"},{"name":"Chala","start":"20:33","end":"22:15","startHours":20.554532460876047,"endHours":22.244710811692872,"quality":"neutral"},{"name":"Labha","start":"22:15","end":"23:56","startHours":22.244710811692872,"endHours":23.9348891625097,"quality":"auspicious"},{"name":"Amṛta","start":"23:56","end":"01:38","startHours":23.9348891625097,"endHours":25.625067513326524,"quality":"auspicious"},{"name":"Kāla","start":"01:38","end":"03:19","startHours":25.625067513326524,"endHours":27.31524586414335,"quality":"inauspicious"},{"name":"Śubha","start":"03:19","end":"05:00","startHours":27.31524586414335,"endHours":29.005424214960176,"quality":"auspicious"},{"name":"Roga","start":"05:00","end":"06:42","startHours":29.005424214960176,"endHours":30.695602565777,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.695602565777,"endHours":7.695602565777,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.695602565777,"endHours":8.695602565777001,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.695602565777001,"endHours":9.695602565777001,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.695602565777001,"endHours":10.695602565777001,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.695602565777001,"endHours":11.695602565777001,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.695602565777001,"endHours":12.695602565777001,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.695602565777001,"endHours":13.695602565777001,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.695602565777001,"endHours":14.695602565777001,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.695602565777001,"endHours":15.695602565777001,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.695602565777001,"endHours":16.695602565777,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.695602565777,"endHours":17.695602565777,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.695602565777,"endHours":18.695602565777,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.695602565777,"endHours":19.695602565777,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.695602565777,"endHours":20.695602565777,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.695602565777,"endHours":21.695602565777,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.695602565777,"endHours":22.695602565777,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.695602565777,"endHours":23.695602565777,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.695602565777,"endHours":24.695602565777,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.695602565777,"endHours":25.695602565777,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.695602565777,"endHours":26.695602565777,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.695602565777,"endHours":27.695602565777,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.695602565777,"endHours":28.695602565777,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.695602565777,"endHours":29.695602565777,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.695602565777,"endHours":30.695602565777,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.109529459432043,"eotMinutes":5.090650249418121,"ayanamsa":22.637}},"calendars":{"vikram_samvat":1969,"vikram_samvatsara":"Krodhana","saka_samvat":1834,"saka_samvatsara":"Paridhāvi","bengali_samvat":1319,"malayalam_era":1088,"nanakshahi_year":443,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 1969 Krodhana · Śaka 1834 Paridhāvi"},"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 December 13, 1912 CE · Ayodhyā · Vidhyamitra","description":"December 13, 1912 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 06:42, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1912-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1912-12-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1912-12-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1912-12-13","x-default":"https://vidhyamitra.com/city/ayodhya/1912-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T14:11:44.813Z","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":"2026-05-31T14:11:44.813Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T14:11:44.813Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}