{"id":"vidhyamitra:city-day:ayodhya:2226-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2226-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2226-12-18","date_display":"December 18, 2226 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":2226,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2534440.770833,"kali_year":5328,"ahargana":1945975.2708,"sun":{"sidereal_longitude":237.6057,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.8901,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.2844,"elapsed_within_tithi_degrees":7.2844},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8901,"elapsed_within_degrees":8.8901},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.4958},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2226,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2534440.770833,"ahargana":1945975.2708,"kali_year":5328,"ayanamsa_lahiri":27.0235,"grahas":{"sun":{"sidereal_longitude":238.5394819999999,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":209.90078199999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":0.3117},"mars":{"sidereal_longitude":212.42668200000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":255.23648200000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":61.77638200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":192.77158200000008,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":271.537282,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":32.8655,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.8655,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"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":2226,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2534440.770833,"kali_year":5328,"ahargana":1945975.2708,"sun":{"sidereal_longitude":237.6057,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.8901,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.2844,"elapsed_within_tithi_degrees":7.2844},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.8901,"elapsed_within_degrees":8.8901},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.4958},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.312,"elongation":28.716},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.312,"opposition_distance":151.284}},"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":10.458278472727326,"dayLengthDisplay":"10 Hours 27 Mins 30 Secs","nightLengthDisplay":"13 Hours 32 Mins 30 Secs","moonriseLocal":"04:42","moonsetLocal":"15:26","rahuKala":{"name":"Rāhu Kāla","start":"08:03","end":"09:22","startHours":8.051416783591566,"endHours":9.358701592682483,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"11:58","startHours":10.665986401773397,"endHours":11.973271210864313,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:17","end":"14:35","startHours":13.28055601995523,"endHours":14.587840829046144,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.18439695147036,"endHours":9.533006233894604,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.179893577530955,"endHours":7.45878100347035,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.62466192844007,"endHours":12.321880493288557,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.349694844803674,"endHours":6.046913409652162,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.87260876844004,"endHours":6.74413197450065,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.716317622985535,"endHours":14.413536187834024,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.002410447227977,"endHours":17.402410447227975,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.202410447227976,"endHours":17.63817205025828,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.952410447227976,"endHours":18.702410447227976,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.624661928440066,"endHours":24.321880493288557,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:45","end":"08:03","startHours":6.74413197450065,"endHours":8.051416783591566,"quality":"auspicious"},{"name":"Kāla","start":"08:03","end":"09:22","startHours":8.051416783591566,"endHours":9.358701592682483,"quality":"inauspicious"},{"name":"Śubha","start":"09:22","end":"10:40","startHours":9.358701592682483,"endHours":10.665986401773397,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"11:58","startHours":10.665986401773397,"endHours":11.973271210864313,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:17","startHours":11.973271210864313,"endHours":13.28055601995523,"quality":"inauspicious"},{"name":"Chala","start":"13:17","end":"14:35","startHours":13.28055601995523,"endHours":14.587840829046144,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"15:54","startHours":14.587840829046144,"endHours":15.89512563813706,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:12","startHours":15.89512563813706,"endHours":17.202410447227976,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:12","end":"18:54","startHours":17.202410447227976,"endHours":18.89512563813706,"quality":"neutral"},{"name":"Labha","start":"18:54","end":"20:35","startHours":18.89512563813706,"endHours":20.587840829046144,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"22:17","startHours":20.587840829046144,"endHours":22.280556019955227,"quality":"auspicious"},{"name":"Kāla","start":"22:17","end":"23:58","startHours":22.280556019955227,"endHours":23.97327121086431,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.665986401773395,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:22","startHours":25.665986401773395,"endHours":27.358701592682483,"quality":"inauspicious"},{"name":"Udveg","start":"03:22","end":"05:03","startHours":27.358701592682483,"endHours":29.051416783591566,"quality":"inauspicious"},{"name":"Chala","start":"05:03","end":"06:45","startHours":29.051416783591566,"endHours":30.74413197450065,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.74413197450065,"endHours":7.74413197450065,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.74413197450065,"endHours":8.74413197450065,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.74413197450065,"endHours":9.74413197450065,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.74413197450065,"endHours":10.74413197450065,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.74413197450065,"endHours":11.74413197450065,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.74413197450065,"endHours":12.74413197450065,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.74413197450065,"endHours":13.74413197450065,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.74413197450065,"endHours":14.74413197450065,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.74413197450065,"endHours":15.74413197450065,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.74413197450065,"endHours":16.74413197450065,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.74413197450065,"endHours":17.74413197450065,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.74413197450065,"endHours":18.74413197450065,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.74413197450065,"endHours":19.74413197450065,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.74413197450065,"endHours":20.74413197450065,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.74413197450065,"endHours":21.74413197450065,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.74413197450065,"endHours":22.74413197450065,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.74413197450065,"endHours":23.74413197450065,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.74413197450065,"endHours":24.74413197450065,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.74413197450065,"endHours":25.74413197450065,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.74413197450065,"endHours":26.74413197450065,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.74413197450065,"endHours":27.74413197450065,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.74413197450065,"endHours":28.74413197450065,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.74413197450065,"endHours":29.74413197450065,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.74413197450065,"endHours":30.74413197450065,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"North","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":-23.36208253646022,"eotMinutes":2.787727348141232,"ayanamsa":27.0235}},"calendars":{"vikram_samvat":2283,"vikram_samvatsara":"Pramāthi","saka_samvat":2148,"saka_samvatsara":"Akṣaya","bengali_samvat":1633,"malayalam_era":1402,"nanakshahi_year":757,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa 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 Kṛṣṇa Trayodaśī · Vikram 2283 Pramāthi · Śaka 2148 Akṣaya"},"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":"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":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","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 18, 2226 CE · Ayodhyā · Vidhyamitra","description":"December 18, 2226 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2226-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2226-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2226-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2226-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/2226-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:49:33.574Z","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":"2026-05-31T10:49:33.574Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:49:33.574Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}