{"id":"vidhyamitra:city-day:ayodhya:2122-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2122-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2122-12-13","date_display":"December 13, 2122 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":2122,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496450.770833,"kali_year":5224,"ahargana":1907985.2708,"sun":{"sidereal_longitude":234.4385,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":48.1762,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.7377,"elapsed_within_tithi_degrees":5.7377},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":48.1762,"elapsed_within_degrees":8.1762},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.6148},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2122,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496450.770833,"ahargana":1907985.2708,"kali_year":5224,"ayanamsa_lahiri":25.5705,"grahas":{"sun":{"sidereal_longitude":235.15208000000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":47.80168000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false,"latitude":1.3581},"mars":{"sidereal_longitude":143.18398000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":244.91998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":153.05687999999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":186.77628000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":94.73878000000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":245.7585,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":65.7585,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2122,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496450.770833,"kali_year":5224,"ahargana":1907985.2708,"sun":{"sidereal_longitude":234.4385,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":48.1762,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.7377,"elapsed_within_tithi_degrees":5.7377},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":48.1762,"elapsed_within_degrees":8.1762},"yoga":{"number":22,"name":"Sādhya","sum_longitude":282.6148},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.358,"elongation":173.738},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.358,"opposition_distance":6.262}},"eclipse_window_40days":[{"offset_days":16,"type":"solar","occurs":true,"moon_latitude":0.58,"elongation":1.456}]},"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":10.478374586649322,"dayLengthDisplay":"10 Hours 28 Mins 42 Secs","nightLengthDisplay":"13 Hours 31 Mins 18 Secs","moonriseLocal":"16:36","moonsetLocal":"06:18","rahuKala":{"name":"Rāhu Kāla","start":"15:52","end":"17:10","startHours":15.864279632503195,"endHours":17.17407645583436,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244685985840864,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:33","end":"15:52","startHours":14.554482809172029,"endHours":15.864279632503195,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.140655939403214,"endHours":9.489935092291525,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:25","startHours":7.132300810295427,"endHours":7.411724132606076,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.585610009621387,"endHours":12.28416831539801,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:00","startHours":5.298585257631795,"endHours":5.997143563408417,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:42","startHours":5.822503986964262,"endHours":6.695701869185038,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:23","startHours":13.681284926951253,"endHours":14.379843232727875,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.97407645583436,"endHours":17.37407645583436,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.17407645583436,"endHours":17.61067539694475,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.92407645583436,"endHours":18.67407645583436,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.585610009621387,"endHours":24.28416831539801,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:42","end":"08:00","startHours":6.695701869185038,"endHours":8.005498692516204,"quality":"inauspicious"},{"name":"Chala","start":"08:00","end":"09:19","startHours":8.005498692516204,"endHours":9.31529551584737,"quality":"neutral"},{"name":"Labha","start":"09:19","end":"10:38","startHours":9.31529551584737,"endHours":10.625092339178533,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"11:56","startHours":10.625092339178533,"endHours":11.934889162509698,"quality":"auspicious"},{"name":"Kāla","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244685985840864,"quality":"inauspicious"},{"name":"Śubha","start":"13:15","end":"14:33","startHours":13.244685985840864,"endHours":14.554482809172029,"quality":"auspicious"},{"name":"Roga","start":"14:33","end":"15:52","startHours":14.554482809172029,"endHours":15.864279632503195,"quality":"inauspicious"},{"name":"Udveg","start":"15:52","end":"17:10","startHours":15.864279632503195,"endHours":17.17407645583436,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:10","end":"18:52","startHours":17.17407645583436,"endHours":18.864279632503195,"quality":"auspicious"},{"name":"Roga","start":"18:52","end":"20:33","startHours":18.864279632503195,"endHours":20.55448280917203,"quality":"inauspicious"},{"name":"Udveg","start":"20:33","end":"22:15","startHours":20.55448280917203,"endHours":22.244685985840864,"quality":"inauspicious"},{"name":"Chala","start":"22:15","end":"23:56","startHours":22.244685985840864,"endHours":23.9348891625097,"quality":"neutral"},{"name":"Labha","start":"23:56","end":"01:38","startHours":23.9348891625097,"endHours":25.625092339178536,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"03:19","startHours":25.625092339178536,"endHours":27.315295515847367,"quality":"auspicious"},{"name":"Kāla","start":"03:19","end":"05:00","startHours":27.315295515847367,"endHours":29.005498692516205,"quality":"inauspicious"},{"name":"Śubha","start":"05:00","end":"06:42","startHours":29.005498692516205,"endHours":30.695701869185037,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.695701869185038,"endHours":7.695701869185038,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.695701869185038,"endHours":8.695701869185038,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.695701869185038,"endHours":9.695701869185038,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.695701869185038,"endHours":10.695701869185038,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.695701869185038,"endHours":11.695701869185038,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.695701869185038,"endHours":12.695701869185038,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.695701869185038,"endHours":13.695701869185038,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.695701869185038,"endHours":14.695701869185038,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.695701869185038,"endHours":15.695701869185038,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.695701869185038,"endHours":16.695701869185037,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.695701869185037,"endHours":17.695701869185037,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.695701869185037,"endHours":18.695701869185037,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.695701869185037,"endHours":19.695701869185037,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.695701869185037,"endHours":20.695701869185037,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.695701869185037,"endHours":21.695701869185037,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.695701869185037,"endHours":22.695701869185037,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.695701869185037,"endHours":23.695701869185037,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.695701869185037,"endHours":24.695701869185037,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.695701869185037,"endHours":25.695701869185037,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.695701869185037,"endHours":26.695701869185037,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.695701869185037,"endHours":27.695701869185037,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.695701869185037,"endHours":28.695701869185037,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.695701869185037,"endHours":29.695701869185037,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.695701869185037,"endHours":30.695701869185037,"planetary_lord":"Jupiter"}],"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":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","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":-23.112006103284493,"eotMinutes":5.090650249418121,"ayanamsa":25.5705}},"calendars":{"vikram_samvat":2179,"vikram_samvatsara":"Manmatha","saka_samvat":2044,"saka_samvatsara":"Citrabhānu","bengali_samvat":1529,"malayalam_era":1298,"nanakshahi_year":653,"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 Pūrṇimā · Vikram 2179 Manmatha · Śaka 2044 Citrabhānu"},"festivals":[{"id":"datta-jayanti","name":"Datta Jayantī","name_sanskrit":"दत्त जयन्ती","tradition":"Pan-Hindu","associated_deity":"Dattātreya (Brahmā + Viṣṇu + Śiva combined)","significance":"Birth of Dattātreya from Atri-Anusūyā; tri-mūrti unified avatāra.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2,"sources":["Mārkaṇḍeya Purāṇa","Bhāgavata 4.1.15"]},{"id":"annapurna-jayanti","name":"Annapūrṇā Jayantī","name_sanskrit":"अन्नपूर्णा जयन्ती","tradition":"Shakta","associated_deity":"Devī Annapūrṇā (Pārvatī as nourishing mother)","significance":"Devī Annapūrṇā's manifestation; food-grain pūjā; Mārgaśīrṣa Pūrṇimā tradition.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3,"sources":["Annapūrṇā-stotra by Śaṅkarācārya"]}],"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":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5},{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","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 13, 2122 CE · Ayodhyā · Vidhyamitra","description":"December 13, 2122 CE for Ayodhyā: Śukla Pūrṇimā, sūryodaya 06:42, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2122-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2122-12-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2122-12-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2122-12-13","x-default":"https://vidhyamitra.com/city/ayodhya/2122-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T03:57:24.384Z","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":"2026-05-31T03:57:24.384Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T03:57:24.384Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}