{"id":"vidhyamitra:city-day:ayodhya:2105-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2105-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2105-12-18","date_display":"December 18, 2105 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":2105,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490246.770833,"kali_year":5207,"ahargana":1901781.2708,"sun":{"sidereal_longitude":239.9751,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":16.5953,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.6202,"elapsed_within_tithi_degrees":4.6202},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.5953,"elapsed_within_degrees":3.2619},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.5703},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2105,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490246.770833,"ahargana":1901781.2708,"kali_year":5207,"ayanamsa_lahiri":25.3332,"grahas":{"sun":{"sidereal_longitude":240.60161799999992,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":14.721617999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":1.3804},"mars":{"sidereal_longitude":132.483518,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":231.38741800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":333.35871799999995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":240.37911800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":240.77311800000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":214.4763,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.4763,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","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":2105,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490246.770833,"kali_year":5207,"ahargana":1901781.2708,"sun":{"sidereal_longitude":239.9751,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":16.5953,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":136.6202,"elapsed_within_tithi_degrees":4.6202},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":16.5953,"elapsed_within_degrees":3.2619},"yoga":{"number":20,"name":"Śiva","sum_longitude":256.5703},"karana":{"half_tithi_index":22,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.38,"elongation":136.62},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.38,"opposition_distance":43.38}},"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":"06:45","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.457316691191748,"dayLengthDisplay":"10 Hours 27 Mins 26 Secs","nightLengthDisplay":"13 Hours 32 Mins 34 Secs","moonriseLocal":"14:21","moonsetLocal":"03:28","rahuKala":{"name":"Rāhu Kāla","start":"10:40","end":"11:58","startHours":10.666106624465343,"endHours":11.973271210864311,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"15:54","startHours":14.587600383662249,"endHours":15.894764970061217,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:03","end":"09:22","startHours":8.051777451667407,"endHours":9.358942038066376,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.184653426546513,"endHours":9.533230649586237,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.180334394068095,"endHours":7.459196172499874,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.624693987824589,"endHours":12.321848433904037,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.350303973109538,"endHours":6.047458419188988,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.873169807669126,"endHours":6.744612865268438,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.716157326062937,"endHours":14.413311772142388,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.001929556460187,"endHours":17.401929556460185,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.201929556460186,"endHours":17.637651085259844,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.951929556460186,"endHours":18.701929556460186,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.624693987824585,"endHours":24.321848433904037,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:45","end":"08:03","startHours":6.744612865268438,"endHours":8.051777451667407,"quality":"neutral"},{"name":"Labha","start":"08:03","end":"09:22","startHours":8.051777451667407,"endHours":9.358942038066376,"quality":"auspicious"},{"name":"Amṛta","start":"09:22","end":"10:40","startHours":9.358942038066376,"endHours":10.666106624465343,"quality":"auspicious"},{"name":"Kāla","start":"10:40","end":"11:58","startHours":10.666106624465343,"endHours":11.973271210864311,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:17","startHours":11.973271210864311,"endHours":13.28043579726328,"quality":"auspicious"},{"name":"Roga","start":"13:17","end":"14:35","startHours":13.28043579726328,"endHours":14.587600383662249,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"15:54","startHours":14.587600383662249,"endHours":15.894764970061217,"quality":"inauspicious"},{"name":"Chala","start":"15:54","end":"17:12","startHours":15.894764970061217,"endHours":17.201929556460186,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:12","end":"18:54","startHours":17.201929556460186,"endHours":18.894764970061217,"quality":"inauspicious"},{"name":"Udveg","start":"18:54","end":"20:35","startHours":18.894764970061217,"endHours":20.58760038366225,"quality":"inauspicious"},{"name":"Chala","start":"20:35","end":"22:17","startHours":20.58760038366225,"endHours":22.28043579726328,"quality":"neutral"},{"name":"Labha","start":"22:17","end":"23:58","startHours":22.28043579726328,"endHours":23.97327121086431,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.666106624465343,"quality":"auspicious"},{"name":"Kāla","start":"01:40","end":"03:22","startHours":25.666106624465343,"endHours":27.358942038066374,"quality":"inauspicious"},{"name":"Śubha","start":"03:22","end":"05:03","startHours":27.358942038066374,"endHours":29.051777451667405,"quality":"auspicious"},{"name":"Roga","start":"05:03","end":"06:45","startHours":29.051777451667405,"endHours":30.744612865268437,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.744612865268438,"endHours":7.744612865268438,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.744612865268438,"endHours":8.744612865268438,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.744612865268438,"endHours":9.744612865268438,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.744612865268438,"endHours":10.744612865268438,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.744612865268438,"endHours":11.744612865268438,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.744612865268438,"endHours":12.744612865268438,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.744612865268438,"endHours":13.744612865268438,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.744612865268438,"endHours":14.744612865268438,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.744612865268438,"endHours":15.744612865268438,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.744612865268438,"endHours":16.744612865268437,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.744612865268437,"endHours":17.744612865268437,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.744612865268437,"endHours":18.744612865268437,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.744612865268437,"endHours":19.744612865268437,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.744612865268437,"endHours":20.744612865268437,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.744612865268437,"endHours":21.744612865268437,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.744612865268437,"endHours":22.744612865268437,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.744612865268437,"endHours":23.744612865268437,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.744612865268437,"endHours":24.744612865268437,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.744612865268437,"endHours":25.744612865268437,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.744612865268437,"endHours":26.744612865268437,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.744612865268437,"endHours":27.744612865268437,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.744612865268437,"endHours":28.744612865268437,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.744612865268437,"endHours":29.744612865268437,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.744612865268437,"endHours":30.744612865268437,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.37402490782632,"eotMinutes":2.787727348141232,"ayanamsa":25.3332}},"calendars":{"vikram_samvat":2162,"vikram_samvatsara":"Bahudhānya","saka_samvat":2027,"saka_samvatsara":"Krodhana","bengali_samvat":1512,"malayalam_era":1281,"nanakshahi_year":636,"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 Dvādaśī · Vikram 2162 Bahudhānya · Śaka 2027 Krodhana"},"festivals":[{"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_ingress":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 18, 2105 CE · Ayodhyā · Vidhyamitra","description":"December 18, 2105 CE for Ayodhyā: Śukla Dvādaśī, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2105-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2105-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2105-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2105-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/2105-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:28:15.445Z","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":"2026-05-31T16:28:15.445Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:28:15.445Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}