{"id":"vidhyamitra:city-day:ayodhya:2313-12-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2313-12-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2313-12-31","date_display":"December 31, 2313 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":2313,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566229.770833,"kali_year":5415,"ahargana":1977764.2708,"sun":{"sidereal_longitude":249.4021,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":38.7434,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.3413,"elapsed_within_tithi_degrees":5.3413},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.7434,"elapsed_within_degrees":12.0768},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1456},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2313,"month":12,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2566229.770833,"ahargana":1977764.2708,"kali_year":5415,"ayanamsa_lahiri":28.2393,"grahas":{"sun":{"sidereal_longitude":250.43820900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":40.68330900000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-4.2338},"mars":{"sidereal_longitude":280.934209,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":224.29310899999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":183.43010900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":265.86980900000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":257.639309,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":148.5313,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":328.5313,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":2313,"month":12,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2566229.770833,"kali_year":5415,"ahargana":1977764.2708,"sun":{"sidereal_longitude":249.4021,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":38.7434,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":13,"name":"Trayodaśī","paksha":"Śukla","full_name":"Śukla Trayodaśī","elongation_degrees":149.3413,"elapsed_within_tithi_degrees":5.3413},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4,"moon_longitude":38.7434,"elapsed_within_degrees":12.0768},"yoga":{"number":22,"name":"Sādhya","sum_longitude":288.1456},"karana":{"half_tithi_index":24,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.234,"elongation":149.341},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.234,"opposition_distance":30.659}},"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":"06:50","sunsetLocal":"17:19","solarNoonLocal":"12:04","dayLengthHours":10.475126603047519,"dayLengthDisplay":"10 Hours 28 Mins 30 Secs","nightLengthDisplay":"13 Hours 31 Mins 30 Secs","moonriseLocal":"15:16","moonsetLocal":"04:55","rahuKala":{"name":"Rāhu Kāla","start":"12:04","end":"13:23","startHours":12.074003915396755,"endHours":13.383394740777696,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:09","end":"09:27","startHours":8.145831439253936,"endHours":9.455222264634877,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:46","end":"12:04","startHours":10.764613090015816,"endHours":12.074003915396755,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:17","end":"09:38","startHours":9.28063682125075,"endHours":9.629807708019001,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:16","end":"07:33","startHours":7.27290422233331,"endHours":7.55224093174791,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:43","end":"12:25","startHours":11.724833028628504,"endHours":12.423174802165006,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:26","end":"06:08","startHours":5.439757066799994,"endHours":6.138098840336495,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:58","end":"06:50","startHours":5.96351339695237,"endHours":6.8364406138729965,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:49","end":"14:31","startHours":13.81985834923801,"endHours":14.51820012277451,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:07","end":"17:31","startHours":17.111567216920516,"endHours":17.511567216920515,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:19","end":"17:45","startHours":17.311567216920515,"endHours":17.74803082538083,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:04","end":"18:49","startHours":17.061567216920515,"endHours":18.811567216920515,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:43","end":"00:25","startHours":23.724833028628506,"endHours":24.423174802165004,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:50","end":"08:09","startHours":6.8364406138729965,"endHours":8.145831439253936,"quality":"auspicious"},{"name":"Amṛta","start":"08:09","end":"09:27","startHours":8.145831439253936,"endHours":9.455222264634877,"quality":"auspicious"},{"name":"Kāla","start":"09:27","end":"10:46","startHours":9.455222264634877,"endHours":10.764613090015816,"quality":"inauspicious"},{"name":"Śubha","start":"10:46","end":"12:04","startHours":10.764613090015816,"endHours":12.074003915396755,"quality":"auspicious"},{"name":"Roga","start":"12:04","end":"13:23","startHours":12.074003915396755,"endHours":13.383394740777696,"quality":"inauspicious"},{"name":"Udveg","start":"13:23","end":"14:42","startHours":13.383394740777696,"endHours":14.692785566158635,"quality":"inauspicious"},{"name":"Chala","start":"14:42","end":"16:00","startHours":14.692785566158635,"endHours":16.002176391539578,"quality":"neutral"},{"name":"Labha","start":"16:00","end":"17:19","startHours":16.002176391539578,"endHours":17.311567216920515,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:19","end":"19:00","startHours":17.311567216920515,"endHours":19.002176391539574,"quality":"inauspicious"},{"name":"Chala","start":"19:00","end":"20:42","startHours":19.002176391539574,"endHours":20.692785566158637,"quality":"neutral"},{"name":"Labha","start":"20:42","end":"22:23","startHours":20.692785566158637,"endHours":22.383394740777696,"quality":"auspicious"},{"name":"Amṛta","start":"22:23","end":"00:04","startHours":22.383394740777696,"endHours":24.074003915396755,"quality":"auspicious"},{"name":"Kāla","start":"00:04","end":"01:46","startHours":24.074003915396755,"endHours":25.764613090015814,"quality":"inauspicious"},{"name":"Śubha","start":"01:46","end":"03:27","startHours":25.764613090015814,"endHours":27.455222264634877,"quality":"auspicious"},{"name":"Roga","start":"03:27","end":"05:09","startHours":27.455222264634877,"endHours":29.145831439253936,"quality":"inauspicious"},{"name":"Udveg","start":"05:09","end":"06:50","startHours":29.145831439253936,"endHours":30.836440613872995,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:50","end":"07:50","startHours":6.8364406138729965,"endHours":7.8364406138729965,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:50","end":"08:50","startHours":7.8364406138729965,"endHours":8.836440613872997,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:50","end":"09:50","startHours":8.836440613872997,"endHours":9.836440613872997,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:50","end":"10:50","startHours":9.836440613872997,"endHours":10.836440613872997,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:50","end":"11:50","startHours":10.836440613872997,"endHours":11.836440613872997,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:50","end":"12:50","startHours":11.836440613872997,"endHours":12.836440613872997,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:50","end":"13:50","startHours":12.836440613872997,"endHours":13.836440613872997,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:50","end":"14:50","startHours":13.836440613872997,"endHours":14.836440613872997,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:50","end":"15:50","startHours":14.836440613872997,"endHours":15.836440613872997,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:50","end":"16:50","startHours":15.836440613872997,"endHours":16.836440613872995,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:50","end":"17:50","startHours":16.836440613872995,"endHours":17.836440613872995,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:50","end":"18:50","startHours":17.836440613872995,"endHours":18.836440613872995,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:50","end":"19:50","startHours":18.836440613872995,"endHours":19.836440613872995,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:50","end":"20:50","startHours":19.836440613872995,"endHours":20.836440613872995,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:50","end":"21:50","startHours":20.836440613872995,"endHours":21.836440613872995,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:50","end":"22:50","startHours":21.836440613872995,"endHours":22.836440613872995,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:50","end":"23:50","startHours":22.836440613872995,"endHours":23.836440613872995,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:50","end":"00:50","startHours":23.836440613872995,"endHours":24.836440613872995,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:50","end":"01:50","startHours":24.836440613872995,"endHours":25.836440613872995,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:50","end":"02:50","startHours":25.836440613872995,"endHours":26.836440613872995,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:50","end":"03:50","startHours":26.836440613872995,"endHours":27.836440613872995,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:50","end":"04:50","startHours":27.836440613872995,"endHours":28.836440613872995,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:50","end":"05:50","startHours":28.836440613872995,"endHours":29.836440613872995,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:50","end":"06:50","startHours":29.836440613872995,"endHours":30.836440613872995,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.15249437676081,"eotMinutes":-3.2562349238053434,"ayanamsa":28.2393}},"calendars":{"vikram_samvat":2370,"vikram_samvatsara":"Parābhava","saka_samvat":2235,"saka_samvatsara":"Vijaya","bengali_samvat":1720,"malayalam_era":1489,"nanakshahi_year":844,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Trayodaśī · Vikram 2370 Parābhava · Śaka 2235 Vijaya"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","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 31, 2313 CE · Ayodhyā · Vidhyamitra","description":"December 31, 2313 CE for Ayodhyā: Śukla Trayodaśī, sūryodaya 06:50, sūryāsta 17:19.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2313-12-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2313-12-31","sa":"https://sa.vidhyamitra.com/city/ayodhya/2313-12-31","hi":"https://hi.vidhyamitra.com/city/ayodhya/2313-12-31","x-default":"https://vidhyamitra.com/city/ayodhya/2313-12-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T03:34:43.998Z","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":"2026-06-03T03:34:43.998Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T03:34:43.998Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}