{"id":"vidhyamitra:city-day:ayodhya:2023-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2023-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2023-12-21","date_display":"December 21, 2023 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":2023,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460299.770833,"kali_year":5125,"ahargana":1871834.2708,"sun":{"sidereal_longitude":244.3055,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":349.7582,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.4527,"elapsed_within_tithi_degrees":9.4527},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.7582,"elapsed_within_degrees":3.0915},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.0636},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2023,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460299.770833,"ahargana":1871834.2708,"kali_year":5125,"ayanamsa_lahiri":24.1878,"grahas":{"sun":{"sidereal_longitude":244.70111399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":351.035614,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":-0.8928},"mars":{"sidereal_longitude":234.76591400000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":248.53131400000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":11.583713999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":204.83121400000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":308.252514,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":1.2124,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":181.2124,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","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":2023,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460299.770833,"kali_year":5125,"ahargana":1871834.2708,"sun":{"sidereal_longitude":244.3055,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":349.7582,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":105.4527,"elapsed_within_tithi_degrees":9.4527},"nakshatra":{"number":27,"name":"Revatī","pada":1,"moon_longitude":349.7582,"elapsed_within_degrees":3.0915},"yoga":{"number":18,"name":"Varīyān","sum_longitude":234.0636},"karana":{"half_tithi_index":17,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.893,"elongation":105.453},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.893,"opposition_distance":74.547}},"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":"06:46","sunsetLocal":"17:13","solarNoonLocal":"12:00","dayLengthHours":10.452658617636711,"dayLengthDisplay":"10 Hours 27 Mins 10 Secs","nightLengthDisplay":"13 Hours 32 Mins 50 Secs","moonriseLocal":"12:50","moonsetLocal":"01:20","rahuKala":{"name":"Rāhu Kāla","start":"13:18","end":"14:37","startHours":13.303271837088886,"endHours":14.609854164293473,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:46","end":"08:05","startHours":6.770360201065941,"endHours":8.07694252827053,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:23","end":"10:41","startHours":9.38352485547512,"endHours":10.690107182679707,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:33","startHours":9.209313878514507,"endHours":9.55773583243573,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:29","startHours":7.20588764346747,"endHours":7.484625206604449,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:21","startHours":11.648267555963074,"endHours":12.34511146380552,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:04","startHours":5.376672385381046,"endHours":6.073516293223493,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:46","startHours":5.899305316262882,"endHours":6.770360201065941,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:26","startHours":13.738799279490415,"endHours":14.435643187332863,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:01","end":"17:25","startHours":17.023018818702653,"endHours":17.42301881870265,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:13","end":"17:40","startHours":17.223018818702652,"endHours":17.65854626110418,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:58","end":"18:43","startHours":16.973018818702652,"endHours":18.723018818702652,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:21","startHours":23.648267555963074,"endHours":24.345111463805523,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:46","end":"08:05","startHours":6.770360201065941,"endHours":8.07694252827053,"quality":"auspicious"},{"name":"Roga","start":"08:05","end":"09:23","startHours":8.07694252827053,"endHours":9.38352485547512,"quality":"inauspicious"},{"name":"Udveg","start":"09:23","end":"10:41","startHours":9.38352485547512,"endHours":10.690107182679707,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:00","startHours":10.690107182679707,"endHours":11.996689509884296,"quality":"neutral"},{"name":"Labha","start":"12:00","end":"13:18","startHours":11.996689509884296,"endHours":13.303271837088886,"quality":"auspicious"},{"name":"Amṛta","start":"13:18","end":"14:37","startHours":13.303271837088886,"endHours":14.609854164293473,"quality":"auspicious"},{"name":"Kāla","start":"14:37","end":"15:55","startHours":14.609854164293473,"endHours":15.916436491498063,"quality":"inauspicious"},{"name":"Śubha","start":"15:55","end":"17:13","startHours":15.916436491498063,"endHours":17.223018818702652,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:13","end":"18:55","startHours":17.223018818702652,"endHours":18.916436491498064,"quality":"auspicious"},{"name":"Kāla","start":"18:55","end":"20:37","startHours":18.916436491498064,"endHours":20.609854164293473,"quality":"inauspicious"},{"name":"Śubha","start":"20:37","end":"22:18","startHours":20.609854164293473,"endHours":22.303271837088886,"quality":"auspicious"},{"name":"Roga","start":"22:18","end":"00:00","startHours":22.303271837088886,"endHours":23.9966895098843,"quality":"inauspicious"},{"name":"Udveg","start":"00:00","end":"01:41","startHours":23.9966895098843,"endHours":25.690107182679707,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:23","startHours":25.690107182679707,"endHours":27.38352485547512,"quality":"neutral"},{"name":"Labha","start":"03:23","end":"05:05","startHours":27.38352485547512,"endHours":29.07694252827053,"quality":"auspicious"},{"name":"Amṛta","start":"05:05","end":"06:46","startHours":29.07694252827053,"endHours":30.77036020106594,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.770360201065941,"endHours":7.770360201065941,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.770360201065941,"endHours":8.770360201065941,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.770360201065941,"endHours":9.770360201065941,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.770360201065941,"endHours":10.770360201065941,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.770360201065941,"endHours":11.770360201065941,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.770360201065941,"endHours":12.770360201065941,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.770360201065941,"endHours":13.770360201065941,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.770360201065941,"endHours":14.770360201065941,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.770360201065941,"endHours":15.770360201065941,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.770360201065941,"endHours":16.77036020106594,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.77036020106594,"endHours":17.77036020106594,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.77036020106594,"endHours":18.77036020106594,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.77036020106594,"endHours":19.77036020106594,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.77036020106594,"endHours":20.77036020106594,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.77036020106594,"endHours":21.77036020106594,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.77036020106594,"endHours":22.77036020106594,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.77036020106594,"endHours":23.77036020106594,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.77036020106594,"endHours":24.77036020106594,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.77036020106594,"endHours":25.77036020106594,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.77036020106594,"endHours":26.77036020106594,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.77036020106594,"endHours":27.77036020106594,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.77036020106594,"endHours":28.77036020106594,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.77036020106594,"endHours":29.77036020106594,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.77036020106594,"endHours":30.77036020106594,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Lumba","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.431830119954785,"eotMinutes":1.382629406942221,"ayanamsa":24.1878}},"calendars":{"vikram_samvat":2080,"vikram_samvatsara":"Nala","saka_samvat":1945,"saka_samvatsara":"Śobhana","bengali_samvat":1430,"malayalam_era":1199,"nanakshahi_year":554,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Navamī · Vikram 2080 Nala · Śaka 1945 Śobhana"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 21, 2023 CE · Ayodhyā · Vidhyamitra","description":"December 21, 2023 CE for Ayodhyā: Śukla Navamī, sūryodaya 06:46, sūryāsta 17:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2023-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2023-12-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2023-12-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2023-12-21","x-default":"https://vidhyamitra.com/city/ayodhya/2023-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T06:19:34.057Z","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":"2026-05-15T06:19:34.057Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T06:19:34.057Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}