{"id":"vidhyamitra:city-day:ayodhya:1920-12-12:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1920-12-12","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-12-12","date_display":"December 12, 1920 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":1920,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422670.770833,"kali_year":5022,"ahargana":1834205.2708,"sun":{"sidereal_longitude":236.7643,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":257.0298,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.2655,"elapsed_within_tithi_degrees":8.2655},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.0298,"elapsed_within_degrees":3.6965},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.794},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":1920,"month":12,"day":12,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422670.770833,"ahargana":1834205.2708,"kali_year":5022,"ayanamsa_lahiri":22.7487,"grahas":{"sun":{"sidereal_longitude":236.98071800000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":254.68201799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":3.9743},"mars":{"sidereal_longitude":289.474418,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":219.39851799999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":145.884118,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":277.823618,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":151.902418,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":194.9779,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":14.9779,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":1920,"month":12,"day":12,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422670.770833,"kali_year":5022,"ahargana":1834205.2708,"sun":{"sidereal_longitude":236.7643,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":257.0298,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":20.2655,"elapsed_within_tithi_degrees":8.2655},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":257.0298,"elapsed_within_degrees":3.6965},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":133.794},"karana":{"half_tithi_index":3,"name":"Kaulava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.974,"elongation":20.266},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.974,"opposition_distance":159.734}},"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":"06:41","sunsetLocal":"17:10","solarNoonLocal":"11:56","dayLengthHours":10.484216341522785,"dayLengthDisplay":"10 Hours 29 Mins 03 Secs","nightLengthDisplay":"13 Hours 30 Mins 57 Secs","moonriseLocal":"07:54","moonsetLocal":"18:19","rahuKala":{"name":"Rāhu Kāla","start":"15:52","end":"17:10","startHours":15.858956310385828,"endHours":17.169483353076174,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:56","end":"13:14","startHours":11.927375182314783,"endHours":13.23790222500513,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:33","end":"15:52","startHours":14.548429267695479,"endHours":15.858956310385828,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.131584157908707,"endHours":9.481058035959466,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:24","startHours":7.122109359116839,"endHours":7.401688461557447,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.577901304264023,"endHours":12.27684906036554,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:17","end":"05:59","startHours":5.2873714993503516,"endHours":5.986319255451871,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:41","startHours":5.811582316426491,"endHours":6.68526701155339,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:40","end":"14:22","startHours":13.674744572568581,"endHours":14.373692328670101,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.969483353076175,"endHours":17.369483353076173,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:36","startHours":17.169483353076174,"endHours":17.606325700639623,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.919483353076174,"endHours":18.669483353076174,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.577901304264024,"endHours":24.276849060365542,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:41","end":"08:00","startHours":6.68526701155339,"endHours":7.9957940542437385,"quality":"inauspicious"},{"name":"Chala","start":"08:00","end":"09:18","startHours":7.9957940542437385,"endHours":9.306321096934086,"quality":"neutral"},{"name":"Labha","start":"09:18","end":"10:37","startHours":9.306321096934086,"endHours":10.616848139624434,"quality":"auspicious"},{"name":"Amṛta","start":"10:37","end":"11:56","startHours":10.616848139624434,"endHours":11.927375182314783,"quality":"auspicious"},{"name":"Kāla","start":"11:56","end":"13:14","startHours":11.927375182314783,"endHours":13.23790222500513,"quality":"inauspicious"},{"name":"Śubha","start":"13:14","end":"14:33","startHours":13.23790222500513,"endHours":14.548429267695479,"quality":"auspicious"},{"name":"Roga","start":"14:33","end":"15:52","startHours":14.548429267695479,"endHours":15.858956310385828,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:10","startHours":15.858956310385828,"endHours":17.169483353076174,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:10","end":"18:52","startHours":17.169483353076174,"endHours":18.858956310385825,"quality":"auspicious"},{"name":"Roga","start":"18:52","end":"20:33","startHours":18.858956310385825,"endHours":20.54842926769548,"quality":"inauspicious"},{"name":"Udveg","start":"20:33","end":"22:14","startHours":20.54842926769548,"endHours":22.23790222500513,"quality":"inauspicious"},{"name":"Chala","start":"22:14","end":"23:56","startHours":22.23790222500513,"endHours":23.927375182314783,"quality":"neutral"},{"name":"Labha","start":"23:56","end":"01:37","startHours":23.927375182314783,"endHours":25.616848139624434,"quality":"auspicious"},{"name":"Amṛta","start":"01:37","end":"03:18","startHours":25.616848139624434,"endHours":27.306321096934084,"quality":"auspicious"},{"name":"Kāla","start":"03:18","end":"05:00","startHours":27.306321096934084,"endHours":28.99579405424374,"quality":"inauspicious"},{"name":"Śubha","start":"05:00","end":"06:41","startHours":28.99579405424374,"endHours":30.68526701155339,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.68526701155339,"endHours":7.68526701155339,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.68526701155339,"endHours":8.685267011553389,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.685267011553389,"endHours":9.685267011553389,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.685267011553389,"endHours":10.685267011553389,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.685267011553389,"endHours":11.685267011553389,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.685267011553389,"endHours":12.685267011553389,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.685267011553389,"endHours":13.685267011553389,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.685267011553389,"endHours":14.685267011553389,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.685267011553389,"endHours":15.685267011553389,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.685267011553389,"endHours":16.68526701155339,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.68526701155339,"endHours":17.68526701155339,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.68526701155339,"endHours":18.68526701155339,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.68526701155339,"endHours":19.68526701155339,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.68526701155339,"endHours":20.68526701155339,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.68526701155339,"endHours":21.68526701155339,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.68526701155339,"endHours":22.68526701155339,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.68526701155339,"endHours":23.68526701155339,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.68526701155339,"endHours":24.68526701155339,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.68526701155339,"endHours":25.68526701155339,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.68526701155339,"endHours":26.68526701155339,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.68526701155339,"endHours":27.68526701155339,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.68526701155339,"endHours":28.68526701155339,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.68526701155339,"endHours":29.68526701155339,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.68526701155339,"endHours":30.68526701155339,"planetary_lord":"Jupiter"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.03911667508524,"eotMinutes":5.541489061113115,"ayanamsa":22.7487}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Dvitīyā · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 12, 1920 CE · Ayodhyā · Vidhyamitra","description":"December 12, 1920 CE for Ayodhyā: Śukla Dvitīyā, sūryodaya 06:41, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1920-12-12","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1920-12-12","sa":"https://sa.vidhyamitra.com/city/ayodhya/1920-12-12","hi":"https://hi.vidhyamitra.com/city/ayodhya/1920-12-12","x-default":"https://vidhyamitra.com/city/ayodhya/1920-12-12"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T15:13:27.779Z","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":"2026-05-22T15:13:27.779Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T15:13:27.779Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}