{"id":"vidhyamitra:city-day:ayodhya:2207-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2207-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2207-12-18","date_display":"December 18, 2207 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":2207,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2527500.770833,"kali_year":5309,"ahargana":1939035.2708,"sun":{"sidereal_longitude":237.5199,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.2339,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.714,"elapsed_within_tithi_degrees":6.714},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.2339,"elapsed_within_degrees":8.2339},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7539},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2207,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2527500.770833,"ahargana":1939035.2708,"kali_year":5309,"ayanamsa_lahiri":26.758,"grahas":{"sun":{"sidereal_longitude":238.40924099999995,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":207.767741,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false,"latitude":0.9612},"mars":{"sidereal_longitude":190.51764100000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":253.157641,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":202.34444099999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":207.14844100000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":42.360941000000025,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":40.5801,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":220.5801,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2207,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2527500.770833,"kali_year":5309,"ahargana":1939035.2708,"sun":{"sidereal_longitude":237.5199,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":208.2339,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":330.714,"elapsed_within_tithi_degrees":6.714},"nakshatra":{"number":16,"name":"Viśākhā","pada":3,"moon_longitude":208.2339,"elapsed_within_degrees":8.2339},"yoga":{"number":7,"name":"Sukarma","sum_longitude":85.7539},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.961,"elongation":29.286},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.961,"opposition_distance":150.714}},"eclipse_window_40days":[{"offset_days":-13,"type":"lunar","occurs":true,"moon_latitude":0.079,"opposition_distance":1.935},{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":-1.276,"elongation":2.614}]},"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":10.459393955470642,"dayLengthDisplay":"10 Hours 27 Mins 34 Secs","nightLengthDisplay":"13 Hours 32 Mins 26 Secs","moonriseLocal":"04:33","moonsetLocal":"15:19","rahuKala":{"name":"Rāhu Kāla","start":"10:40","end":"11:58","startHours":10.665846966430482,"endHours":11.973271210864313,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:35","end":"15:54","startHours":14.588119699731973,"endHours":15.895543944165803,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:03","end":"09:22","startHours":8.050998477562823,"endHours":9.358422721996654,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.184099489405476,"endHours":9.53274595458783,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:27","startHours":7.1793823146069355,"endHours":7.45829948675282,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.624624745681958,"endHours":12.321917676046668,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.348988372399574,"endHours":6.0462813027642826,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.871958070173106,"endHours":6.743574233128992,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.716503536776086,"endHours":14.413796467140795,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.002968188599635,"endHours":17.402968188599633,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.202968188599634,"endHours":17.638776270077578,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.952968188599634,"endHours":18.702968188599634,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.624624745681956,"endHours":24.321917676046667,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:45","end":"08:03","startHours":6.743574233128992,"endHours":8.050998477562823,"quality":"neutral"},{"name":"Labha","start":"08:03","end":"09:22","startHours":8.050998477562823,"endHours":9.358422721996654,"quality":"auspicious"},{"name":"Amṛta","start":"09:22","end":"10:40","startHours":9.358422721996654,"endHours":10.665846966430482,"quality":"auspicious"},{"name":"Kāla","start":"10:40","end":"11:58","startHours":10.665846966430482,"endHours":11.973271210864313,"quality":"inauspicious"},{"name":"Śubha","start":"11:58","end":"13:17","startHours":11.973271210864313,"endHours":13.280695455298144,"quality":"auspicious"},{"name":"Roga","start":"13:17","end":"14:35","startHours":13.280695455298144,"endHours":14.588119699731973,"quality":"inauspicious"},{"name":"Udveg","start":"14:35","end":"15:54","startHours":14.588119699731973,"endHours":15.895543944165803,"quality":"inauspicious"},{"name":"Chala","start":"15:54","end":"17:12","startHours":15.895543944165803,"endHours":17.202968188599634,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:12","end":"18:54","startHours":17.202968188599634,"endHours":18.895543944165805,"quality":"inauspicious"},{"name":"Udveg","start":"18:54","end":"20:35","startHours":18.895543944165805,"endHours":20.588119699731973,"quality":"inauspicious"},{"name":"Chala","start":"20:35","end":"22:17","startHours":20.588119699731973,"endHours":22.280695455298144,"quality":"neutral"},{"name":"Labha","start":"22:17","end":"23:58","startHours":22.280695455298144,"endHours":23.97327121086431,"quality":"auspicious"},{"name":"Amṛta","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.665846966430482,"quality":"auspicious"},{"name":"Kāla","start":"01:40","end":"03:22","startHours":25.665846966430482,"endHours":27.358422721996654,"quality":"inauspicious"},{"name":"Śubha","start":"03:22","end":"05:03","startHours":27.358422721996654,"endHours":29.05099847756282,"quality":"auspicious"},{"name":"Roga","start":"05:03","end":"06:45","startHours":29.05099847756282,"endHours":30.743574233128992,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.743574233128992,"endHours":7.743574233128992,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.743574233128992,"endHours":8.743574233128992,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.743574233128992,"endHours":9.743574233128992,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.743574233128992,"endHours":10.743574233128992,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.743574233128992,"endHours":11.743574233128992,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.743574233128992,"endHours":12.743574233128992,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.743574233128992,"endHours":13.743574233128992,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.743574233128992,"endHours":14.743574233128992,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.743574233128992,"endHours":15.743574233128992,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.743574233128992,"endHours":16.743574233128992,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.743574233128992,"endHours":17.743574233128992,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.743574233128992,"endHours":18.743574233128992,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.743574233128992,"endHours":19.743574233128992,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.743574233128992,"endHours":20.743574233128992,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.743574233128992,"endHours":21.743574233128992,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.743574233128992,"endHours":22.743574233128992,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.743574233128992,"endHours":23.743574233128992,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.743574233128992,"endHours":24.743574233128992,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.743574233128992,"endHours":25.743574233128992,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.743574233128992,"endHours":26.743574233128992,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.743574233128992,"endHours":27.743574233128992,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.743574233128992,"endHours":28.743574233128992,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.743574233128992,"endHours":29.743574233128992,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.743574233128992,"endHours":30.743574233128992,"planetary_lord":"Mars"}],"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":"West (Paścim)","chandraVasa":"North","rahuVasa":"South-East","anandadiYoga":{"name":"Śrīvatsa","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":-23.34822868268642,"eotMinutes":2.787727348141232,"ayanamsa":26.758}},"calendars":{"vikram_samvat":2264,"vikram_samvatsara":"Raudra","saka_samvat":2129,"saka_samvatsara":"Plavaṅga","bengali_samvat":1614,"malayalam_era":1383,"nanakshahi_year":738,"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 2264 Raudra · Śaka 2129 Plavaṅga"},"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":"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":[{"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, 2207 CE · Ayodhyā · Vidhyamitra","description":"December 18, 2207 CE for Ayodhyā: Kṛṣṇa Trayodaśī, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2207-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2207-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2207-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2207-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/2207-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T02:51:13.076Z","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":"2026-05-31T02:51:13.076Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T02:51:13.076Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}