{"id":"vidhyamitra:city-day:ayodhya:2316-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2316-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2316-12-18","date_display":"December 18, 2316 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":2316,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2567312.770833,"kali_year":5418,"ahargana":1978847.2708,"sun":{"sidereal_longitude":236.2848,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":263.2317,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.9468,"elapsed_within_tithi_degrees":2.9468},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.2317,"elapsed_within_degrees":9.8983},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.5165},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":2316,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2567312.770833,"ahargana":1978847.2708,"kali_year":5418,"ayanamsa_lahiri":28.2807,"grahas":{"sun":{"sidereal_longitude":237.44433000000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":264.10253,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":0.6192},"mars":{"sidereal_longitude":178.27022999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":230.62103000000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":255.48793,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":231.33983,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":286.95642999999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":91.1487,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":271.1487,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2316,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2567312.770833,"kali_year":5418,"ahargana":1978847.2708,"sun":{"sidereal_longitude":236.2848,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":263.2317,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.9468,"elapsed_within_tithi_degrees":2.9468},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3,"moon_longitude":263.2317,"elapsed_within_degrees":9.8983},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":139.5165},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.619,"elongation":26.947},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.619,"opposition_distance":153.053}},"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":10.457849034685278,"dayLengthDisplay":"10 Hours 27 Mins 28 Secs","nightLengthDisplay":"13 Hours 32 Mins 32 Secs","moonriseLocal":"08:28","moonsetLocal":"19:02","rahuKala":{"name":"Rāhu Kāla","start":"08:03","end":"09:22","startHours":8.051577822857334,"endHours":9.358808952192994,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:40","end":"11:58","startHours":10.666040081528653,"endHours":11.973271210864313,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:17","end":"14:35","startHours":13.280502340199973,"endHours":14.587733469535632,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:32","startHours":9.184511468281572,"endHours":9.533106436104415,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:11","end":"07:28","startHours":7.180090403300227,"endHours":7.458966377558501,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.62467624304147,"endHours":12.321866178687156,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:21","end":"06:03","startHours":5.349966822230304,"endHours":6.047156757875989,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:45","startHours":5.8728592739645675,"endHours":6.744346693521674,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:25","startHours":13.716246049978526,"endHours":14.413435985624211,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":17.002195728206953,"endHours":17.40219572820695,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.202195728206952,"endHours":17.637939437985505,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.952195728206952,"endHours":18.702195728206952,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.62467624304147,"endHours":24.321866178687152,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:45","end":"08:03","startHours":6.744346693521674,"endHours":8.051577822857334,"quality":"auspicious"},{"name":"Kāla","start":"08:03","end":"09:22","startHours":8.051577822857334,"endHours":9.358808952192994,"quality":"inauspicious"},{"name":"Śubha","start":"09:22","end":"10:40","startHours":9.358808952192994,"endHours":10.666040081528653,"quality":"auspicious"},{"name":"Roga","start":"10:40","end":"11:58","startHours":10.666040081528653,"endHours":11.973271210864313,"quality":"inauspicious"},{"name":"Udveg","start":"11:58","end":"13:17","startHours":11.973271210864313,"endHours":13.280502340199973,"quality":"inauspicious"},{"name":"Chala","start":"13:17","end":"14:35","startHours":13.280502340199973,"endHours":14.587733469535632,"quality":"neutral"},{"name":"Labha","start":"14:35","end":"15:54","startHours":14.587733469535632,"endHours":15.894964598871292,"quality":"auspicious"},{"name":"Amṛta","start":"15:54","end":"17:12","startHours":15.894964598871292,"endHours":17.202195728206952,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:12","end":"18:54","startHours":17.202195728206952,"endHours":18.894964598871294,"quality":"neutral"},{"name":"Labha","start":"18:54","end":"20:35","startHours":18.894964598871294,"endHours":20.58773346953563,"quality":"auspicious"},{"name":"Amṛta","start":"20:35","end":"22:17","startHours":20.58773346953563,"endHours":22.280502340199973,"quality":"auspicious"},{"name":"Kāla","start":"22:17","end":"23:58","startHours":22.280502340199973,"endHours":23.97327121086431,"quality":"inauspicious"},{"name":"Śubha","start":"23:58","end":"01:40","startHours":23.97327121086431,"endHours":25.666040081528653,"quality":"auspicious"},{"name":"Roga","start":"01:40","end":"03:22","startHours":25.666040081528653,"endHours":27.358808952192994,"quality":"inauspicious"},{"name":"Udveg","start":"03:22","end":"05:03","startHours":27.358808952192994,"endHours":29.051577822857332,"quality":"inauspicious"},{"name":"Chala","start":"05:03","end":"06:45","startHours":29.051577822857332,"endHours":30.744346693521674,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:45","end":"07:45","startHours":6.744346693521674,"endHours":7.744346693521674,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:45","end":"08:45","startHours":7.744346693521674,"endHours":8.744346693521674,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:45","end":"09:45","startHours":8.744346693521674,"endHours":9.744346693521674,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:45","end":"10:45","startHours":9.744346693521674,"endHours":10.744346693521674,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:45","end":"11:45","startHours":10.744346693521674,"endHours":11.744346693521674,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:45","end":"12:45","startHours":11.744346693521674,"endHours":12.744346693521674,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:45","end":"13:45","startHours":12.744346693521674,"endHours":13.744346693521674,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:45","end":"14:45","startHours":13.744346693521674,"endHours":14.744346693521674,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:45","end":"15:45","startHours":14.744346693521674,"endHours":15.744346693521674,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:45","end":"16:45","startHours":15.744346693521674,"endHours":16.744346693521674,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:45","end":"17:45","startHours":16.744346693521674,"endHours":17.744346693521674,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:45","end":"18:45","startHours":17.744346693521674,"endHours":18.744346693521674,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:45","end":"19:45","startHours":18.744346693521674,"endHours":19.744346693521674,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:45","end":"20:45","startHours":19.744346693521674,"endHours":20.744346693521674,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:45","end":"21:45","startHours":20.744346693521674,"endHours":21.744346693521674,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:45","end":"22:45","startHours":21.744346693521674,"endHours":22.744346693521674,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:45","end":"23:45","startHours":22.744346693521674,"endHours":23.744346693521674,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:45","end":"00:45","startHours":23.744346693521674,"endHours":24.744346693521674,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:45","end":"01:45","startHours":24.744346693521674,"endHours":25.744346693521674,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:45","end":"02:45","startHours":25.744346693521674,"endHours":26.744346693521674,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:45","end":"03:45","startHours":26.744346693521674,"endHours":27.744346693521674,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:45","end":"04:45","startHours":27.744346693521674,"endHours":28.744346693521674,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:45","end":"05:45","startHours":28.744346693521674,"endHours":29.744346693521674,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:45","end":"06:45","startHours":29.744346693521674,"endHours":30.744346693521674,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Mātaṇga","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":-23.36741513199264,"eotMinutes":2.787727348141232,"ayanamsa":28.2807}},"calendars":{"vikram_samvat":2373,"vikram_samvatsara":"Saumya","saka_samvat":2238,"saka_samvatsara":"Durmukhi","bengali_samvat":1723,"malayalam_era":1492,"nanakshahi_year":847,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Tṛtīyā · Vikram 2373 Saumya · Śaka 2238 Durmukhi"},"festivals":[],"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":[]},"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, 2316 CE · Ayodhyā · Vidhyamitra","description":"December 18, 2316 CE for Ayodhyā: Śukla Tṛtīyā, sūryodaya 06:45, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2316-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2316-12-18","sa":"https://sa.vidhyamitra.com/city/ayodhya/2316-12-18","hi":"https://hi.vidhyamitra.com/city/ayodhya/2316-12-18","x-default":"https://vidhyamitra.com/city/ayodhya/2316-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-03T09:55:30.854Z","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":"2026-06-03T09:55:30.854Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-03T09:55:30.854Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}