{"id":"vidhyamitra:city-day:ayodhya:1718-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/1718-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1718-12-13","date_display":"December 13, 1718 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":1718,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2348892.770833,"kali_year":4820,"ahargana":1760427.2708,"sun":{"sidereal_longitude":241.1438,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":127.4383,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.2945,"elapsed_within_tithi_degrees":6.2945},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.4383,"elapsed_within_degrees":7.4383},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.5821},"karana":{"half_tithi_index":41,"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":1718,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2348892.770833,"ahargana":1760427.2708,"kali_year":4820,"ayanamsa_lahiri":19.9269,"grahas":{"sun":{"sidereal_longitude":240.84867999999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":128.00347999999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false,"latitude":-1.2884},"mars":{"sidereal_longitude":200.11987999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":248.00238000000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":138.26188000000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":234.37757999999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":203.50198,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":144.0914,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":324.0914,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","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":1718,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2348892.770833,"kali_year":4820,"ahargana":1760427.2708,"sun":{"sidereal_longitude":241.1438,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":127.4383,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":246.2945,"elapsed_within_tithi_degrees":6.2945},"nakshatra":{"number":10,"name":"Maghā","pada":3,"moon_longitude":127.4383,"elapsed_within_degrees":7.4383},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":8.5821},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.288,"elongation":113.706},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.288,"opposition_distance":66.294}},"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":"06:42","sunsetLocal":"17:10","solarNoonLocal":"11:56","dayLengthHours":10.478079102293272,"dayLengthDisplay":"10 Hours 28 Mins 41 Secs","nightLengthDisplay":"13 Hours 31 Mins 19 Secs","moonriseLocal":"21:57","moonsetLocal":"10:52","rahuKala":{"name":"Rāhu Kāla","start":"14:33","end":"15:52","startHours":14.554408938083016,"endHours":15.864168825869676,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:19","end":"10:38","startHours":9.31536938693638,"endHours":10.62512927472304,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244649050296356,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.140734735231494,"endHours":9.490004038641269,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:25","startHours":7.132436240625282,"endHours":7.4118516833531025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.585619859099923,"endHours":12.284158465919473,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:00","startHours":5.298772397723959,"endHours":5.997311004543511,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:42","startHours":5.822676352838623,"endHours":6.695849611363062,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:23","startHours":13.681235679558577,"endHours":14.37977428637813,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.973928713656335,"endHours":17.373928713656333,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.173928713656334,"endHours":17.610515342918553,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.923928713656334,"endHours":18.673928713656334,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.58561985909992,"endHours":24.284158465919475,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:42","end":"08:00","startHours":6.695849611363062,"endHours":8.00560949914972,"quality":"inauspicious"},{"name":"Udveg","start":"08:00","end":"09:19","startHours":8.00560949914972,"endHours":9.31536938693638,"quality":"inauspicious"},{"name":"Chala","start":"09:19","end":"10:38","startHours":9.31536938693638,"endHours":10.62512927472304,"quality":"neutral"},{"name":"Labha","start":"10:38","end":"11:56","startHours":10.62512927472304,"endHours":11.934889162509698,"quality":"auspicious"},{"name":"Amṛta","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244649050296356,"quality":"auspicious"},{"name":"Kāla","start":"13:15","end":"14:33","startHours":13.244649050296356,"endHours":14.554408938083016,"quality":"inauspicious"},{"name":"Śubha","start":"14:33","end":"15:52","startHours":14.554408938083016,"endHours":15.864168825869676,"quality":"auspicious"},{"name":"Roga","start":"15:52","end":"17:10","startHours":15.864168825869676,"endHours":17.173928713656334,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:10","end":"18:52","startHours":17.173928713656334,"endHours":18.864168825869676,"quality":"inauspicious"},{"name":"Śubha","start":"18:52","end":"20:33","startHours":18.864168825869676,"endHours":20.554408938083014,"quality":"auspicious"},{"name":"Roga","start":"20:33","end":"22:15","startHours":20.554408938083014,"endHours":22.244649050296356,"quality":"inauspicious"},{"name":"Udveg","start":"22:15","end":"23:56","startHours":22.244649050296356,"endHours":23.9348891625097,"quality":"inauspicious"},{"name":"Chala","start":"23:56","end":"01:38","startHours":23.9348891625097,"endHours":25.62512927472304,"quality":"neutral"},{"name":"Labha","start":"01:38","end":"03:19","startHours":25.62512927472304,"endHours":27.315369386936382,"quality":"auspicious"},{"name":"Amṛta","start":"03:19","end":"05:00","startHours":27.315369386936382,"endHours":29.00560949914972,"quality":"auspicious"},{"name":"Kāla","start":"05:00","end":"06:42","startHours":29.00560949914972,"endHours":30.695849611363062,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.695849611363062,"endHours":7.695849611363062,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.695849611363062,"endHours":8.695849611363062,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.695849611363062,"endHours":9.695849611363062,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.695849611363062,"endHours":10.695849611363062,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.695849611363062,"endHours":11.695849611363062,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.695849611363062,"endHours":12.695849611363062,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.695849611363062,"endHours":13.695849611363062,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.695849611363062,"endHours":14.695849611363062,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.695849611363062,"endHours":15.695849611363062,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.695849611363062,"endHours":16.695849611363062,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.695849611363062,"endHours":17.695849611363062,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.695849611363062,"endHours":18.695849611363062,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.695849611363062,"endHours":19.695849611363062,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.695849611363062,"endHours":20.695849611363062,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.695849611363062,"endHours":21.695849611363062,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.695849611363062,"endHours":22.695849611363062,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.695849611363062,"endHours":23.695849611363062,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.695849611363062,"endHours":24.695849611363062,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.695849611363062,"endHours":25.695849611363062,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.695849611363062,"endHours":26.695849611363062,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.695849611363062,"endHours":27.695849611363062,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.695849611363062,"endHours":28.695849611363062,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.695849611363062,"endHours":29.695849611363062,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.695849611363062,"endHours":30.695849611363062,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"North","anandadiYoga":{"name":"Kāṇa","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":-23.115690631077864,"eotMinutes":5.090650249418121,"ayanamsa":19.9269}},"calendars":{"vikram_samvat":1775,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1640,"saka_samvatsara":"Vilambī","bengali_samvat":1125,"malayalam_era":894,"nanakshahi_year":249,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 1775 Virodhakṛt · Śaka 1640 Vilambī"},"festivals":[],"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 13, 1718 CE · Ayodhyā · Vidhyamitra","description":"December 13, 1718 CE for Ayodhyā: Kṛṣṇa Ṣaṣṭhī, sūryodaya 06:42, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/1718-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/1718-12-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/1718-12-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/1718-12-13","x-default":"https://vidhyamitra.com/city/ayodhya/1718-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T11:46:14.346Z","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":"2026-06-01T11:46:14.346Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T11:46:14.346Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}