{"id":"vidhyamitra:city-day:ayodhya:2187-12-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2187-12-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2187-12-11","date_display":"December 11, 2187 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":2187,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520189.770833,"kali_year":5289,"ahargana":1931724.2708,"sun":{"sidereal_longitude":231.5509,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":355.34,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":123.7891,"elapsed_within_tithi_degrees":3.7891},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.34,"elapsed_within_degrees":8.6733},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8909},"karana":{"half_tithi_index":20,"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":2187,"month":12,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2520189.770833,"ahargana":1931724.2708,"kali_year":5289,"ayanamsa_lahiri":26.4784,"grahas":{"sun":{"sidereal_longitude":232.44347500000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":356.331275,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false,"latitude":-4.294},"mars":{"sidereal_longitude":270.987075,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":250.54877499999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":297.966775,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":270.40307499999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":173.231675,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":67.952,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":247.952,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2187,"month":12,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2520189.770833,"kali_year":5289,"ahargana":1931724.2708,"sun":{"sidereal_longitude":231.5509,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":355.34,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":123.7891,"elapsed_within_tithi_degrees":3.7891},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":355.34,"elapsed_within_degrees":8.6733},"yoga":{"number":18,"name":"Varīyān","sum_longitude":226.8909},"karana":{"half_tithi_index":20,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.294,"elongation":123.789},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.294,"opposition_distance":56.211}},"eclipse_window_40days":[{"offset_days":5,"type":"lunar","occurs":true,"moon_latitude":-0.699,"opposition_distance":2.066}]},"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":"06:41","sunsetLocal":"17:10","solarNoonLocal":"11:55","dayLengthHours":10.489390512423057,"dayLengthDisplay":"10 Hours 29 Mins 22 Secs","nightLengthDisplay":"13 Hours 30 Mins 38 Secs","moonriseLocal":"13:50","moonsetLocal":"02:31","rahuKala":{"name":"Rāhu Kāla","start":"14:33","end":"15:51","startHours":14.542279583363552,"endHours":15.853453397416434,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:18","end":"10:37","startHours":9.297584327152023,"endHours":10.608758141204905,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:55","end":"13:14","startHours":11.919931955257788,"endHours":13.23110576931067,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:07","end":"09:28","startHours":9.122761151944973,"endHours":9.472407502359074,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:07","end":"07:24","startHours":7.112294637063886,"endHours":7.392011717395168,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:34","end":"12:16","startHours":11.570285604843686,"endHours":12.269578305671889,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:17","end":"05:59","startHours":5.276651297389852,"endHours":5.975943998218055,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:48","end":"06:41","startHours":5.801120823011004,"endHours":6.675236699046259,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:40","end":"14:22","startHours":13.668163707328297,"endHours":14.367456408156501,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.964627211469317,"endHours":17.364627211469315,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:36","startHours":17.164627211469316,"endHours":17.601685149486944,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.914627211469316,"endHours":18.664627211469316,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:34","end":"00:16","startHours":23.570285604843686,"endHours":24.26957830567189,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:41","end":"07:59","startHours":6.675236699046259,"endHours":7.986410513099141,"quality":"inauspicious"},{"name":"Udveg","start":"07:59","end":"09:18","startHours":7.986410513099141,"endHours":9.297584327152023,"quality":"inauspicious"},{"name":"Chala","start":"09:18","end":"10:37","startHours":9.297584327152023,"endHours":10.608758141204905,"quality":"neutral"},{"name":"Labha","start":"10:37","end":"11:55","startHours":10.608758141204905,"endHours":11.919931955257788,"quality":"auspicious"},{"name":"Amṛta","start":"11:55","end":"13:14","startHours":11.919931955257788,"endHours":13.23110576931067,"quality":"auspicious"},{"name":"Kāla","start":"13:14","end":"14:33","startHours":13.23110576931067,"endHours":14.542279583363552,"quality":"inauspicious"},{"name":"Śubha","start":"14:33","end":"15:51","startHours":14.542279583363552,"endHours":15.853453397416434,"quality":"auspicious"},{"name":"Roga","start":"15:51","end":"17:10","startHours":15.853453397416434,"endHours":17.164627211469316,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:10","end":"18:51","startHours":17.164627211469316,"endHours":18.853453397416434,"quality":"inauspicious"},{"name":"Śubha","start":"18:51","end":"20:33","startHours":18.853453397416434,"endHours":20.542279583363552,"quality":"auspicious"},{"name":"Roga","start":"20:33","end":"22:14","startHours":20.542279583363552,"endHours":22.23110576931067,"quality":"inauspicious"},{"name":"Udveg","start":"22:14","end":"23:55","startHours":22.23110576931067,"endHours":23.919931955257788,"quality":"inauspicious"},{"name":"Chala","start":"23:55","end":"01:37","startHours":23.919931955257788,"endHours":25.608758141204905,"quality":"neutral"},{"name":"Labha","start":"01:37","end":"03:18","startHours":25.608758141204905,"endHours":27.297584327152023,"quality":"auspicious"},{"name":"Amṛta","start":"03:18","end":"04:59","startHours":27.297584327152023,"endHours":28.98641051309914,"quality":"auspicious"},{"name":"Kāla","start":"04:59","end":"06:41","startHours":28.98641051309914,"endHours":30.67523669904626,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:41","end":"07:41","startHours":6.675236699046259,"endHours":7.675236699046259,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:41","end":"08:41","startHours":7.675236699046259,"endHours":8.675236699046259,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:41","end":"09:41","startHours":8.675236699046259,"endHours":9.675236699046259,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:41","end":"10:41","startHours":9.675236699046259,"endHours":10.675236699046259,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:41","end":"11:41","startHours":10.675236699046259,"endHours":11.675236699046259,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:41","end":"12:41","startHours":11.675236699046259,"endHours":12.675236699046259,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:41","end":"13:41","startHours":12.675236699046259,"endHours":13.675236699046259,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:41","end":"14:41","startHours":13.675236699046259,"endHours":14.675236699046259,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:41","end":"15:41","startHours":14.675236699046259,"endHours":15.675236699046259,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:41","end":"16:41","startHours":15.675236699046259,"endHours":16.67523669904626,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:41","end":"17:41","startHours":16.67523669904626,"endHours":17.67523669904626,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:41","end":"18:41","startHours":17.67523669904626,"endHours":18.67523669904626,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:41","end":"19:41","startHours":18.67523669904626,"endHours":19.67523669904626,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:41","end":"20:41","startHours":19.67523669904626,"endHours":20.67523669904626,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:41","end":"21:41","startHours":20.67523669904626,"endHours":21.67523669904626,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:41","end":"22:41","startHours":21.67523669904626,"endHours":22.67523669904626,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:41","end":"23:41","startHours":22.67523669904626,"endHours":23.67523669904626,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:41","end":"00:41","startHours":23.67523669904626,"endHours":24.67523669904626,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:41","end":"01:41","startHours":24.67523669904626,"endHours":25.67523669904626,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:41","end":"02:41","startHours":25.67523669904626,"endHours":26.67523669904626,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:41","end":"03:41","startHours":26.67523669904626,"endHours":27.67523669904626,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:41","end":"04:41","startHours":27.67523669904626,"endHours":28.67523669904626,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:41","end":"05:41","startHours":28.67523669904626,"endHours":29.67523669904626,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:41","end":"06:41","startHours":29.67523669904626,"endHours":30.67523669904626,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","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":-22.974483920979186,"eotMinutes":5.988082684532823,"ayanamsa":26.4784}},"calendars":{"vikram_samvat":2244,"vikram_samvatsara":"Śārvarī","saka_samvat":2109,"saka_samvatsara":"Sarvajit","bengali_samvat":1594,"malayalam_era":1363,"nanakshahi_year":718,"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 Ekādaśī · Vikram 2244 Śārvarī · Śaka 2109 Sarvajit"},"festivals":[{"id":"gita-jayanti","name":"Gītā Jayantī (= Mokṣadā Ekādaśī)","name_sanskrit":"गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad-Gītā speaker)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra (Mahābhārata Day 1).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavad Gītā delivered at Kurukṣetra (Mahābhārata Day 1)","date_julian":"-3137-10-04","location":"Kurukṣetra"},"sources":["Bhagavad Gītā (Mahābhārata, Bhīṣma Parva)"]},{"id":"vaikuntha-ekadashi","name":"Vaikuṇṭha Ekādaśī","name_sanskrit":"वैकुण्ठ एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Most sacred Ekādaśī of the year; 'Vaikuṇṭha-dvāram udghaṭitam'.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2},{"id":"mokshada-ekadashi","name":"Mokṣadā Ekādaśī (Gītā Jayantī)","name_sanskrit":"मोक्षदा एकादशी / गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad Gītā delivery)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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 11, 2187 CE · Ayodhyā · Vidhyamitra","description":"December 11, 2187 CE for Ayodhyā: Śukla Ekādaśī, sūryodaya 06:41, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2187-12-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2187-12-11","sa":"https://sa.vidhyamitra.com/city/ayodhya/2187-12-11","hi":"https://hi.vidhyamitra.com/city/ayodhya/2187-12-11","x-default":"https://vidhyamitra.com/city/ayodhya/2187-12-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T22:50:19.390Z","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":"2026-05-30T22:50:19.390Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T22:50:19.390Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}