{"id":"vidhyamitra:city-day:ayodhya:2021-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2021-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-12-10","date_display":"December 10, 2021 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":2021,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459558.770833,"kali_year":5123,"ahargana":1871093.2708,"sun":{"sidereal_longitude":233.5516,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":307.9462,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.3945,"elapsed_within_tithi_degrees":2.3945},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.9462,"elapsed_within_degrees":1.2795},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":181.4978},"karana":{"half_tithi_index":12,"name":"Gara"},"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":2021,"month":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459558.770833,"ahargana":1871093.2708,"kali_year":5123,"ayanamsa_lahiri":24.1595,"grahas":{"sun":{"sidereal_longitude":234.03342499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":311.575325,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false,"latitude":-4.4956},"mars":{"sidereal_longitude":213.18962499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":239.73402499999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":302.51042499999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":270.35102499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":285.60862499999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":40.4742,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.4742,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2021,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459558.770833,"kali_year":5123,"ahargana":1871093.2708,"sun":{"sidereal_longitude":233.5516,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":307.9462,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":7,"name":"Saptamī","paksha":"Śukla","full_name":"Śukla Saptamī","elongation_degrees":74.3945,"elapsed_within_tithi_degrees":2.3945},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1,"moon_longitude":307.9462,"elapsed_within_degrees":1.2795},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":181.4978},"karana":{"half_tithi_index":12,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.496,"elongation":74.395},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.496,"opposition_distance":105.605}},"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":"06:40","sunsetLocal":"17:10","solarNoonLocal":"11:55","dayLengthHours":10.494385391938831,"dayLengthDisplay":"10 Hours 29 Mins 40 Secs","nightLengthDisplay":"13 Hours 30 Mins 20 Secs","moonriseLocal":"11:21","moonsetLocal":"22:48","rahuKala":{"name":"Rāhu Kāla","start":"10:36","end":"11:55","startHours":10.600768293703394,"endHours":11.912566467695749,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:32","end":"15:51","startHours":14.536162815680456,"endHours":15.84796098967281,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:59","end":"09:17","startHours":7.977171945718688,"endHours":9.288970119711042,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:28","startHours":9.11406369651206,"endHours":9.463876542910022,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:23","startHours":7.102639829723785,"endHours":7.382490106842154,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:16","startHours":11.562753621297787,"endHours":12.26237931409371,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:16","end":"05:58","startHours":5.266122386134489,"endHours":5.965748078930411,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:40","startHours":5.79084165573143,"endHours":6.665373771726333,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:40","end":"14:22","startHours":13.661630699685553,"endHours":14.361256392481474,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.959759163665165,"endHours":17.359759163665164,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:36","startHours":17.159759163665164,"endHours":17.597025221662616,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.909759163665164,"endHours":18.659759163665164,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:16","startHours":23.562753621297787,"endHours":24.262379314093707,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:40","end":"07:59","startHours":6.665373771726333,"endHours":7.977171945718688,"quality":"neutral"},{"name":"Labha","start":"07:59","end":"09:17","startHours":7.977171945718688,"endHours":9.288970119711042,"quality":"auspicious"},{"name":"Amṛta","start":"09:17","end":"10:36","startHours":9.288970119711042,"endHours":10.600768293703394,"quality":"auspicious"},{"name":"Kāla","start":"10:36","end":"11:55","startHours":10.600768293703394,"endHours":11.912566467695749,"quality":"inauspicious"},{"name":"Śubha","start":"11:55","end":"13:13","startHours":11.912566467695749,"endHours":13.224364641688103,"quality":"auspicious"},{"name":"Roga","start":"13:13","end":"14:32","startHours":13.224364641688103,"endHours":14.536162815680456,"quality":"inauspicious"},{"name":"Udveg","start":"14:32","end":"15:51","startHours":14.536162815680456,"endHours":15.84796098967281,"quality":"inauspicious"},{"name":"Chala","start":"15:51","end":"17:10","startHours":15.84796098967281,"endHours":17.159759163665164,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:10","end":"18:51","startHours":17.159759163665164,"endHours":18.84796098967281,"quality":"inauspicious"},{"name":"Udveg","start":"18:51","end":"20:32","startHours":18.84796098967281,"endHours":20.536162815680456,"quality":"inauspicious"},{"name":"Chala","start":"20:32","end":"22:13","startHours":20.536162815680456,"endHours":22.224364641688105,"quality":"neutral"},{"name":"Labha","start":"22:13","end":"23:55","startHours":22.224364641688105,"endHours":23.912566467695747,"quality":"auspicious"},{"name":"Amṛta","start":"23:55","end":"01:36","startHours":23.912566467695747,"endHours":25.600768293703396,"quality":"auspicious"},{"name":"Kāla","start":"01:36","end":"03:17","startHours":25.600768293703396,"endHours":27.288970119711042,"quality":"inauspicious"},{"name":"Śubha","start":"03:17","end":"04:59","startHours":27.288970119711042,"endHours":28.977171945718688,"quality":"auspicious"},{"name":"Roga","start":"04:59","end":"06:40","startHours":28.977171945718688,"endHours":30.665373771726333,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:40","end":"07:40","startHours":6.665373771726333,"endHours":7.665373771726333,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:40","end":"08:40","startHours":7.665373771726333,"endHours":8.665373771726333,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:40","end":"09:40","startHours":8.665373771726333,"endHours":9.665373771726333,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:40","end":"10:40","startHours":9.665373771726333,"endHours":10.665373771726333,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:40","end":"11:40","startHours":10.665373771726333,"endHours":11.665373771726333,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:40","end":"12:40","startHours":11.665373771726333,"endHours":12.665373771726333,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:40","end":"13:40","startHours":12.665373771726333,"endHours":13.665373771726333,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:40","end":"14:40","startHours":13.665373771726333,"endHours":14.665373771726333,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:40","end":"15:40","startHours":14.665373771726333,"endHours":15.665373771726333,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:40","end":"16:40","startHours":15.665373771726333,"endHours":16.665373771726333,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:40","end":"17:40","startHours":16.665373771726333,"endHours":17.665373771726333,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:40","end":"18:40","startHours":17.665373771726333,"endHours":18.665373771726333,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:40","end":"19:40","startHours":18.665373771726333,"endHours":19.665373771726333,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:40","end":"20:40","startHours":19.665373771726333,"endHours":20.665373771726333,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:40","end":"21:40","startHours":20.665373771726333,"endHours":21.665373771726333,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:40","end":"22:40","startHours":21.665373771726333,"endHours":22.665373771726333,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:40","end":"23:40","startHours":22.665373771726333,"endHours":23.665373771726333,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:40","end":"00:40","startHours":23.665373771726333,"endHours":24.665373771726333,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:40","end":"01:40","startHours":24.665373771726333,"endHours":25.665373771726333,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:40","end":"02:40","startHours":25.665373771726333,"endHours":26.665373771726333,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:40","end":"03:40","startHours":26.665373771726333,"endHours":27.665373771726333,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:40","end":"04:40","startHours":27.665373771726333,"endHours":28.665373771726333,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:40","end":"05:40","startHours":28.665373771726333,"endHours":29.665373771726333,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:40","end":"06:40","startHours":29.665373771726333,"endHours":30.665373771726333,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"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":-22.912025821742763,"eotMinutes":6.4300119382551255,"ayanamsa":24.1595}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Saptamī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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":"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 10, 2021 CE · Ayodhyā · Vidhyamitra","description":"December 10, 2021 CE for Ayodhyā: Śukla Saptamī, sūryodaya 06:40, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2021-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2021-12-10","sa":"https://sa.vidhyamitra.com/city/ayodhya/2021-12-10","hi":"https://hi.vidhyamitra.com/city/ayodhya/2021-12-10","x-default":"https://vidhyamitra.com/city/ayodhya/2021-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:40:01.891Z","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":"2026-05-14T23:40:01.891Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:40:01.891Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}