{"id":"vidhyamitra:city-day:ayodhya:2123-12-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2123-12-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2123-12-21","date_display":"December 21, 2123 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":2123,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496823.770833,"kali_year":5225,"ahargana":1908358.2708,"sun":{"sidereal_longitude":242.3794,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.4743,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.0949,"elapsed_within_tithi_degrees":1.0949},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.4743,"elapsed_within_degrees":12.8076},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.8537},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2123,"month":12,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496823.770833,"ahargana":1908358.2708,"kali_year":5225,"ayanamsa_lahiri":25.5847,"grahas":{"sun":{"sidereal_longitude":243.027828,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":276.756528,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":3.6151},"mars":{"sidereal_longitude":272.72502800000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":219.74182799999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":180.40572799999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":279.97152800000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":108.93552799999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":225.9951,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":45.9951,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"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":2123,"month":12,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496823.770833,"kali_year":5225,"ahargana":1908358.2708,"sun":{"sidereal_longitude":242.3794,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":279.4743,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.0949,"elapsed_within_tithi_degrees":1.0949},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.4743,"elapsed_within_degrees":12.8076},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":161.8537},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.615,"elongation":37.095},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.615,"opposition_distance":142.905}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":1.215,"elongation":2.537}]},"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":10.452869200390044,"dayLengthDisplay":"10 Hours 27 Mins 10 Secs","nightLengthDisplay":"13 Hours 32 Mins 50 Secs","moonriseLocal":"08:53","moonsetLocal":"19:36","rahuKala":{"name":"Rāhu Kāla","start":"14:37","end":"15:55","startHours":14.609906809981808,"endHours":15.916515460030563,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:23","end":"10:41","startHours":9.383472209786785,"endHours":10.690080859835541,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:00","end":"13:18","startHours":11.996689509884296,"endHours":13.303298159933052,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:33","startHours":9.209257723113618,"endHours":9.557686696459953,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:12","end":"07:29","startHours":7.205791126372193,"endHours":7.484534305049261,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:21","startHours":11.648260536537961,"endHours":12.345118483230632,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:04","startHours":5.376539016303935,"endHours":6.073396962996605,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:46","startHours":5.899182476323437,"endHours":6.770254909689275,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:44","end":"14:26","startHours":13.73883437661597,"endHours":14.435692323308638,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:01","end":"17:25","startHours":17.02312411007932,"endHours":17.423124110079318,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:13","end":"17:40","startHours":17.22312411007932,"endHours":17.658660326762238,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:58","end":"18:43","startHours":16.97312411007932,"endHours":18.72312411007932,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:21","startHours":23.648260536537965,"endHours":24.34511848323063,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:46","end":"08:05","startHours":6.770254909689275,"endHours":8.07686355973803,"quality":"inauspicious"},{"name":"Udveg","start":"08:05","end":"09:23","startHours":8.07686355973803,"endHours":9.383472209786785,"quality":"inauspicious"},{"name":"Chala","start":"09:23","end":"10:41","startHours":9.383472209786785,"endHours":10.690080859835541,"quality":"neutral"},{"name":"Labha","start":"10:41","end":"12:00","startHours":10.690080859835541,"endHours":11.996689509884296,"quality":"auspicious"},{"name":"Amṛta","start":"12:00","end":"13:18","startHours":11.996689509884296,"endHours":13.303298159933052,"quality":"auspicious"},{"name":"Kāla","start":"13:18","end":"14:37","startHours":13.303298159933052,"endHours":14.609906809981808,"quality":"inauspicious"},{"name":"Śubha","start":"14:37","end":"15:55","startHours":14.609906809981808,"endHours":15.916515460030563,"quality":"auspicious"},{"name":"Roga","start":"15:55","end":"17:13","startHours":15.916515460030563,"endHours":17.22312411007932,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:13","end":"18:55","startHours":17.22312411007932,"endHours":18.916515460030563,"quality":"inauspicious"},{"name":"Śubha","start":"18:55","end":"20:37","startHours":18.916515460030563,"endHours":20.60990680998181,"quality":"auspicious"},{"name":"Roga","start":"20:37","end":"22:18","startHours":20.60990680998181,"endHours":22.30329815993305,"quality":"inauspicious"},{"name":"Udveg","start":"22:18","end":"00:00","startHours":22.30329815993305,"endHours":23.9966895098843,"quality":"inauspicious"},{"name":"Chala","start":"00:00","end":"01:41","startHours":23.9966895098843,"endHours":25.69008085983554,"quality":"neutral"},{"name":"Labha","start":"01:41","end":"03:23","startHours":25.69008085983554,"endHours":27.383472209786785,"quality":"auspicious"},{"name":"Amṛta","start":"03:23","end":"05:05","startHours":27.383472209786785,"endHours":29.07686355973803,"quality":"auspicious"},{"name":"Kāla","start":"05:05","end":"06:46","startHours":29.07686355973803,"endHours":30.770254909689275,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:46","end":"07:46","startHours":6.770254909689275,"endHours":7.770254909689275,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:46","end":"08:46","startHours":7.770254909689275,"endHours":8.770254909689275,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:46","end":"09:46","startHours":8.770254909689275,"endHours":9.770254909689275,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:46","end":"10:46","startHours":9.770254909689275,"endHours":10.770254909689275,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:46","end":"11:46","startHours":10.770254909689275,"endHours":11.770254909689275,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:46","end":"12:46","startHours":11.770254909689275,"endHours":12.770254909689275,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:46","end":"13:46","startHours":12.770254909689275,"endHours":13.770254909689275,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:46","end":"14:46","startHours":13.770254909689275,"endHours":14.770254909689275,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:46","end":"15:46","startHours":14.770254909689275,"endHours":15.770254909689275,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:46","end":"16:46","startHours":15.770254909689275,"endHours":16.770254909689275,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:46","end":"17:46","startHours":16.770254909689275,"endHours":17.770254909689275,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:46","end":"18:46","startHours":17.770254909689275,"endHours":18.770254909689275,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:46","end":"19:46","startHours":18.770254909689275,"endHours":19.770254909689275,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:46","end":"20:46","startHours":19.770254909689275,"endHours":20.770254909689275,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:46","end":"21:46","startHours":20.770254909689275,"endHours":21.770254909689275,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:46","end":"22:46","startHours":21.770254909689275,"endHours":22.770254909689275,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:46","end":"23:46","startHours":22.770254909689275,"endHours":23.770254909689275,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:46","end":"00:46","startHours":23.770254909689275,"endHours":24.770254909689275,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:46","end":"01:46","startHours":24.770254909689275,"endHours":25.770254909689275,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:46","end":"02:46","startHours":25.770254909689275,"endHours":26.770254909689275,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:46","end":"03:46","startHours":26.770254909689275,"endHours":27.770254909689275,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:46","end":"04:46","startHours":27.770254909689275,"endHours":28.770254909689275,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:46","end":"05:46","startHours":28.770254909689275,"endHours":29.770254909689275,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:46","end":"06:46","startHours":29.770254909689275,"endHours":30.770254909689275,"planetary_lord":"Saturn"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.429218062861345,"eotMinutes":1.382629406942221,"ayanamsa":25.5847}},"calendars":{"vikram_samvat":2180,"vikram_samvatsara":"Durmukhi","saka_samvat":2045,"saka_samvatsara":"Subhānu","bengali_samvat":1530,"malayalam_era":1299,"nanakshahi_year":654,"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":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2180 Durmukhi · Śaka 2045 Subhānu"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 21, 2123 CE · Ayodhyā · Vidhyamitra","description":"December 21, 2123 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:46, sūryāsta 17:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2123-12-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2123-12-21","sa":"https://sa.vidhyamitra.com/city/ayodhya/2123-12-21","hi":"https://hi.vidhyamitra.com/city/ayodhya/2123-12-21","x-default":"https://vidhyamitra.com/city/ayodhya/2123-12-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T09:07:16.354Z","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":"2026-06-01T09:07:16.354Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T09:07:16.354Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}