{"id":"vidhyamitra:city-day:ayodhya:1966-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1966-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1966-12-10","date_display":"December 10, 1966 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":1966,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439469.770833,"kali_year":5068,"ahargana":1851004.2708,"sun":{"sidereal_longitude":233.7889,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.5653,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.7764,"elapsed_within_tithi_degrees":10.7764},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.5653,"elapsed_within_degrees":8.5653},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.3542},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1966,"month":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2439469.770833,"ahargana":1851004.2708,"kali_year":5068,"ayanamsa_lahiri":23.3912,"grahas":{"sun":{"sidereal_longitude":234.13807300000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":207.18617300000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":-0.2885},"mars":{"sidereal_longitude":160.24107300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":214.85727300000008,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":101.01557300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"venus":{"sidereal_longitude":242.23317300000008,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":330.33927300000005,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":24.8861,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.8861,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"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":1966,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2439469.770833,"kali_year":5068,"ahargana":1851004.2708,"sun":{"sidereal_longitude":233.7889,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.5653,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":334.7764,"elapsed_within_tithi_degrees":10.7764},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.5653,"elapsed_within_degrees":8.5653},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.3542},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.288,"elongation":25.224},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.288,"opposition_distance":154.776}},"eclipse_window_40days":[{"offset_days":-12,"type":"lunar","occurs":true,"moon_latitude":1.138,"opposition_distance":1.339}]},"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":"06:40","sunsetLocal":"17:10","solarNoonLocal":"11:55","dayLengthHours":10.499198530902031,"dayLengthDisplay":"10 Hours 29 Mins 57 Secs","nightLengthDisplay":"13 Hours 30 Mins 03 Secs","moonriseLocal":"04:42","moonsetLocal":"15:32","rahuKala":{"name":"Rāhu Kāla","start":"09:17","end":"10:36","startHours":9.287766834970242,"endHours":10.600166651332996,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:13","end":"14:32","startHours":13.224966284058503,"endHours":14.537366100421258,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:40","end":"07:59","startHours":6.662967202244734,"endHours":7.975367018607487,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:28","startHours":9.112780192788541,"endHours":9.462753477151942,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:23","startHours":7.100433807698986,"endHours":7.380412435189706,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:16","startHours":11.562593183332348,"endHours":12.26253975205915,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"05:58","startHours":5.26307406479113,"endHours":5.963020633517932,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:40","startHours":5.788033991336231,"endHours":6.662967202244734,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:40","end":"14:22","startHours":13.662432889512754,"endHours":14.362379458239555,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.962165733146765,"endHours":17.362165733146764,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:36","startHours":17.162165733146765,"endHours":17.599632338601015,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.912165733146765,"endHours":18.662165733146765,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:16","startHours":23.562593183332346,"endHours":24.262539752059148,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:40","end":"07:59","startHours":6.662967202244734,"endHours":7.975367018607487,"quality":"inauspicious"},{"name":"Śubha","start":"07:59","end":"09:17","startHours":7.975367018607487,"endHours":9.287766834970242,"quality":"auspicious"},{"name":"Roga","start":"09:17","end":"10:36","startHours":9.287766834970242,"endHours":10.600166651332996,"quality":"inauspicious"},{"name":"Udveg","start":"10:36","end":"11:55","startHours":10.600166651332996,"endHours":11.91256646769575,"quality":"inauspicious"},{"name":"Chala","start":"11:55","end":"13:13","startHours":11.91256646769575,"endHours":13.224966284058503,"quality":"neutral"},{"name":"Labha","start":"13:13","end":"14:32","startHours":13.224966284058503,"endHours":14.537366100421258,"quality":"auspicious"},{"name":"Amṛta","start":"14:32","end":"15:51","startHours":14.537366100421258,"endHours":15.849765916784012,"quality":"auspicious"},{"name":"Kāla","start":"15:51","end":"17:10","startHours":15.849765916784012,"endHours":17.162165733146765,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:10","end":"18:51","startHours":17.162165733146765,"endHours":18.849765916784012,"quality":"auspicious"},{"name":"Amṛta","start":"18:51","end":"20:32","startHours":18.849765916784012,"endHours":20.537366100421256,"quality":"auspicious"},{"name":"Kāla","start":"20:32","end":"22:13","startHours":20.537366100421256,"endHours":22.224966284058503,"quality":"inauspicious"},{"name":"Śubha","start":"22:13","end":"23:55","startHours":22.224966284058503,"endHours":23.912566467695747,"quality":"auspicious"},{"name":"Roga","start":"23:55","end":"01:36","startHours":23.912566467695747,"endHours":25.600166651332994,"quality":"inauspicious"},{"name":"Udveg","start":"01:36","end":"03:17","startHours":25.600166651332994,"endHours":27.287766834970242,"quality":"inauspicious"},{"name":"Chala","start":"03:17","end":"04:59","startHours":27.287766834970242,"endHours":28.975367018607486,"quality":"neutral"},{"name":"Labha","start":"04:59","end":"06:40","startHours":28.975367018607486,"endHours":30.662967202244733,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.662967202244734,"endHours":7.662967202244734,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.662967202244734,"endHours":8.662967202244733,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.662967202244733,"endHours":9.662967202244733,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.662967202244733,"endHours":10.662967202244733,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.662967202244733,"endHours":11.662967202244733,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.662967202244733,"endHours":12.662967202244733,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.662967202244733,"endHours":13.662967202244733,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.662967202244733,"endHours":14.662967202244733,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.662967202244733,"endHours":15.662967202244733,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.662967202244733,"endHours":16.662967202244733,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.662967202244733,"endHours":17.662967202244733,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.662967202244733,"endHours":18.662967202244733,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.662967202244733,"endHours":19.662967202244733,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.662967202244733,"endHours":20.662967202244733,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.662967202244733,"endHours":21.662967202244733,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.662967202244733,"endHours":22.662967202244733,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.662967202244733,"endHours":23.662967202244733,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.662967202244733,"endHours":24.662967202244733,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.662967202244733,"endHours":25.662967202244733,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.662967202244733,"endHours":26.662967202244733,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.662967202244733,"endHours":27.662967202244733,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.662967202244733,"endHours":28.662967202244733,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.662967202244733,"endHours":29.662967202244733,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.662967202244733,"endHours":30.662967202244733,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"East","anandadiYoga":{"name":"Maitra","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":-22.85177999679443,"eotMinutes":6.4300119382551255,"ayanamsa":23.3912}},"calendars":{"vikram_samvat":2023,"vikram_samvatsara":"Siddhārthī","saka_samvat":1888,"saka_samvatsara":"Parābhava","bengali_samvat":1373,"malayalam_era":1142,"nanakshahi_year":497,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","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 Kṛṣṇa Trayodaśī · Vikram 2023 Siddhārthī · Śaka 1888 Parābhava"},"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":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"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 10, 1966 CE · Ayodhyā · Vidhyamitra","description":"December 10, 1966 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:40, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1966-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1966-12-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/1966-12-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/1966-12-10","x-default":"https://vidhyamitra.com/city/ayodhya/1966-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:22:45.646Z","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":"2026-05-30T23:22:45.646Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:22:45.646Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}