{"id":"vidhyamitra:city-day:ayodhya:2320-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2320-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2320-12-13","date_display":"December 13, 2320 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":2320,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568768.770833,"kali_year":5422,"ahargana":1980303.2708,"sun":{"sidereal_longitude":231.1264,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":8.8005,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.6741,"elapsed_within_tithi_degrees":5.6741},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.8005,"elapsed_within_degrees":8.8005},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.9269},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2320,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2568768.770833,"ahargana":1980303.2708,"kali_year":5422,"ayanamsa_lahiri":28.3364,"grahas":{"sun":{"sidereal_longitude":232.3397,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":10.52170000000001,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-0.4076},"mars":{"sidereal_longitude":202.29560000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":218.71209999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":25.807799999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":246.961,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"saturn":{"sidereal_longitude":332.8054,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":14.0028,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":194.0028,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","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":2320,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2568768.770833,"kali_year":5422,"ahargana":1980303.2708,"sun":{"sidereal_longitude":231.1264,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":8.8005,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":137.6741,"elapsed_within_tithi_degrees":5.6741},"nakshatra":{"number":1,"name":"Aśvinī","pada":3,"moon_longitude":8.8005,"elapsed_within_degrees":8.8005},"yoga":{"number":18,"name":"Varīyān","sum_longitude":239.9269},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.408,"elongation":137.674},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.408,"opposition_distance":42.326}},"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":10.478635080313722,"dayLengthDisplay":"10 Hours 28 Mins 43 Secs","nightLengthDisplay":"13 Hours 31 Mins 17 Secs","moonriseLocal":"14:36","moonsetLocal":"03:41","rahuKala":{"name":"Rāhu Kāla","start":"08:00","end":"09:19","startHours":8.005401007392052,"endHours":9.315230392431268,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:38","end":"11:56","startHours":10.625059777470483,"endHours":11.934889162509698,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:15","end":"14:33","startHours":13.244718547548914,"endHours":14.554547932588129,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.140586474426037,"endHours":9.489874310436495,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:25","startHours":7.132181417365908,"endHours":7.4116116861742745,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.58560132649924,"endHours":12.284176998520156,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:00","startHours":5.298420278311006,"endHours":5.996995950331922,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:42","startHours":5.822352032326693,"endHours":6.695571622352836,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:23","startHours":13.681328342561985,"endHours":14.3799040145829,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.97420670266656,"endHours":17.37420670266656,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.17420670266656,"endHours":17.610816497679632,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.92420670266656,"endHours":18.67420670266656,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.58560132649924,"endHours":24.284176998520156,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:42","end":"08:00","startHours":6.695571622352836,"endHours":8.005401007392052,"quality":"auspicious"},{"name":"Kāla","start":"08:00","end":"09:19","startHours":8.005401007392052,"endHours":9.315230392431268,"quality":"inauspicious"},{"name":"Śubha","start":"09:19","end":"10:38","startHours":9.315230392431268,"endHours":10.625059777470483,"quality":"auspicious"},{"name":"Roga","start":"10:38","end":"11:56","startHours":10.625059777470483,"endHours":11.934889162509698,"quality":"inauspicious"},{"name":"Udveg","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244718547548914,"quality":"inauspicious"},{"name":"Chala","start":"13:15","end":"14:33","startHours":13.244718547548914,"endHours":14.554547932588129,"quality":"neutral"},{"name":"Labha","start":"14:33","end":"15:52","startHours":14.554547932588129,"endHours":15.864377317627344,"quality":"auspicious"},{"name":"Amṛta","start":"15:52","end":"17:10","startHours":15.864377317627344,"endHours":17.17420670266656,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:10","end":"18:52","startHours":17.17420670266656,"endHours":18.864377317627344,"quality":"neutral"},{"name":"Labha","start":"18:52","end":"20:33","startHours":18.864377317627344,"endHours":20.55454793258813,"quality":"auspicious"},{"name":"Amṛta","start":"20:33","end":"22:15","startHours":20.55454793258813,"endHours":22.244718547548914,"quality":"auspicious"},{"name":"Kāla","start":"22:15","end":"23:56","startHours":22.244718547548914,"endHours":23.9348891625097,"quality":"inauspicious"},{"name":"Śubha","start":"23:56","end":"01:38","startHours":23.9348891625097,"endHours":25.625059777470483,"quality":"auspicious"},{"name":"Roga","start":"01:38","end":"03:19","startHours":25.625059777470483,"endHours":27.315230392431268,"quality":"inauspicious"},{"name":"Udveg","start":"03:19","end":"05:00","startHours":27.315230392431268,"endHours":29.005401007392052,"quality":"inauspicious"},{"name":"Chala","start":"05:00","end":"06:42","startHours":29.005401007392052,"endHours":30.695571622352837,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.695571622352836,"endHours":7.695571622352836,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.695571622352836,"endHours":8.695571622352837,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.695571622352837,"endHours":9.695571622352837,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.695571622352837,"endHours":10.695571622352837,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.695571622352837,"endHours":11.695571622352837,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.695571622352837,"endHours":12.695571622352837,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.695571622352837,"endHours":13.695571622352837,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.695571622352837,"endHours":14.695571622352837,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.695571622352837,"endHours":15.695571622352837,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.695571622352837,"endHours":16.695571622352837,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.695571622352837,"endHours":17.695571622352837,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.695571622352837,"endHours":18.695571622352837,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.695571622352837,"endHours":19.695571622352837,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.695571622352837,"endHours":20.695571622352837,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.695571622352837,"endHours":21.695571622352837,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.695571622352837,"endHours":22.695571622352837,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.695571622352837,"endHours":23.695571622352837,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.695571622352837,"endHours":24.695571622352837,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.695571622352837,"endHours":25.695571622352837,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.695571622352837,"endHours":26.695571622352837,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.695571622352837,"endHours":27.695571622352837,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.695571622352837,"endHours":28.695571622352837,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.695571622352837,"endHours":29.695571622352837,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.695571622352837,"endHours":30.695571622352837,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Saumya","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":-23.10875770451048,"eotMinutes":5.090650249418121,"ayanamsa":28.3364}},"calendars":{"vikram_samvat":2377,"vikram_samvatsara":"Pramādī","saka_samvat":2242,"saka_samvatsara":"Śārvarī","bengali_samvat":1727,"malayalam_era":1496,"nanakshahi_year":851,"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 Dvādaśī · Vikram 2377 Pramādī · Śaka 2242 Śārvarī"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3101-02-18","event":"Kali Yuga Epoch","chart_id":"kali-yuga-epoch","shared_marker":"same Aśvinī","url":"/day/-3101-02-18","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, 2320 CE · Ayodhyā · Vidhyamitra","description":"December 13, 2320 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 06:42, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2320-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2320-12-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2320-12-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2320-12-13","x-default":"https://vidhyamitra.com/city/ayodhya/2320-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T19:30:55.228Z","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":"2026-06-03T19:30:55.228Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T19:30:55.228Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}