{"id":"vidhyamitra:city-day:ayodhya:2019-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2019-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2019-12-13","date_display":"December 13, 2019 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":2019,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458830.770833,"kali_year":5121,"ahargana":1870365.2708,"sun":{"sidereal_longitude":236.1317,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":65.2944,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.1626,"elapsed_within_tithi_degrees":9.1626},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.2944,"elapsed_within_degrees":11.961},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.4261},"karana":{"half_tithi_index":31,"name":"Kaulava"},"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":2019,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458830.770833,"ahargana":1870365.2708,"kali_year":5121,"ayanamsa_lahiri":24.1317,"grahas":{"sun":{"sidereal_longitude":236.58694000000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":66.76564000000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-1.0688},"mars":{"sidereal_longitude":201.28823999999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":220.82603999999992,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":248.20554000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":266.66984,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":265.06024,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":79.0471,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":259.0471,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva 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":2019,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458830.770833,"kali_year":5121,"ahargana":1870365.2708,"sun":{"sidereal_longitude":236.1317,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":65.2944,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":16,"name":"Pratipada","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Pratipada","elongation_degrees":189.1626,"elapsed_within_tithi_degrees":9.1626},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":65.2944,"elapsed_within_degrees":11.961},"yoga":{"number":23,"name":"Śubha","sum_longitude":301.4261},"karana":{"half_tithi_index":31,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.069,"elongation":170.837},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.069,"opposition_distance":9.163}},"eclipse_window_40days":[{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":0.726,"elongation":0.409}]},"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":10.478396618811821,"dayLengthDisplay":"10 Hours 28 Mins 42 Secs","nightLengthDisplay":"13 Hours 31 Mins 18 Secs","moonriseLocal":"17:43","moonsetLocal":"07:30","rahuKala":{"name":"Rāhu Kāla","start":"10:38","end":"11:56","startHours":10.62508958515822,"endHours":11.934889162509698,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:33","end":"15:52","startHours":14.554488317212652,"endHours":15.864287894564132,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:00","end":"09:19","startHours":8.005490430455264,"endHours":9.315290007806741,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:08","end":"09:29","startHours":9.140650064159878,"endHours":9.489929951453606,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:08","end":"07:25","startHours":7.132290712220946,"endHours":7.411714622055928,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:17","startHours":11.58560927521597,"endHours":12.284169049803426,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:18","end":"06:00","startHours":5.2985713039288775,"endHours":5.997131078516332,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:49","end":"06:42","startHours":5.822491134869468,"endHours":6.695690853103787,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:23","startHours":13.681288598978334,"endHours":14.379848373565789,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:58","end":"17:22","startHours":16.97408747191561,"endHours":17.374087471915608,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:10","end":"17:37","startHours":17.17408747191561,"endHours":17.610687331032768,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:55","end":"18:40","startHours":16.92408747191561,"endHours":18.67408747191561,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:17","startHours":23.585609275215973,"endHours":24.284169049803424,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:42","end":"08:00","startHours":6.695690853103787,"endHours":8.005490430455264,"quality":"neutral"},{"name":"Labha","start":"08:00","end":"09:19","startHours":8.005490430455264,"endHours":9.315290007806741,"quality":"auspicious"},{"name":"Amṛta","start":"09:19","end":"10:38","startHours":9.315290007806741,"endHours":10.62508958515822,"quality":"auspicious"},{"name":"Kāla","start":"10:38","end":"11:56","startHours":10.62508958515822,"endHours":11.934889162509698,"quality":"inauspicious"},{"name":"Śubha","start":"11:56","end":"13:15","startHours":11.934889162509698,"endHours":13.244688739861175,"quality":"auspicious"},{"name":"Roga","start":"13:15","end":"14:33","startHours":13.244688739861175,"endHours":14.554488317212652,"quality":"inauspicious"},{"name":"Udveg","start":"14:33","end":"15:52","startHours":14.554488317212652,"endHours":15.864287894564132,"quality":"inauspicious"},{"name":"Chala","start":"15:52","end":"17:10","startHours":15.864287894564132,"endHours":17.17408747191561,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:10","end":"18:52","startHours":17.17408747191561,"endHours":18.864287894564132,"quality":"inauspicious"},{"name":"Udveg","start":"18:52","end":"20:33","startHours":18.864287894564132,"endHours":20.554488317212652,"quality":"inauspicious"},{"name":"Chala","start":"20:33","end":"22:15","startHours":20.554488317212652,"endHours":22.244688739861175,"quality":"neutral"},{"name":"Labha","start":"22:15","end":"23:56","startHours":22.244688739861175,"endHours":23.9348891625097,"quality":"auspicious"},{"name":"Amṛta","start":"23:56","end":"01:38","startHours":23.9348891625097,"endHours":25.62508958515822,"quality":"auspicious"},{"name":"Kāla","start":"01:38","end":"03:19","startHours":25.62508958515822,"endHours":27.315290007806745,"quality":"inauspicious"},{"name":"Śubha","start":"03:19","end":"05:00","startHours":27.315290007806745,"endHours":29.005490430455264,"quality":"auspicious"},{"name":"Roga","start":"05:00","end":"06:42","startHours":29.005490430455264,"endHours":30.695690853103788,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.695690853103787,"endHours":7.695690853103787,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.695690853103787,"endHours":8.695690853103788,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.695690853103788,"endHours":9.695690853103788,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.695690853103788,"endHours":10.695690853103788,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.695690853103788,"endHours":11.695690853103788,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.695690853103788,"endHours":12.695690853103788,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.695690853103788,"endHours":13.695690853103788,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.695690853103788,"endHours":14.695690853103788,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.695690853103788,"endHours":15.695690853103788,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.695690853103788,"endHours":16.695690853103788,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.695690853103788,"endHours":17.695690853103788,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.695690853103788,"endHours":18.695690853103788,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.695690853103788,"endHours":19.695690853103788,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.695690853103788,"endHours":20.695690853103788,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.695690853103788,"endHours":21.695690853103788,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.695690853103788,"endHours":22.695690853103788,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.695690853103788,"endHours":23.695690853103788,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.695690853103788,"endHours":24.695690853103788,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.695690853103788,"endHours":25.695690853103788,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.695690853103788,"endHours":26.695690853103788,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.695690853103788,"endHours":27.695690853103788,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.695690853103788,"endHours":28.695690853103788,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.695690853103788,"endHours":29.695690853103788,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.695690853103788,"endHours":30.695690853103788,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.11173136533643,"eotMinutes":5.090650249418121,"ayanamsa":24.1317}},"calendars":{"vikram_samvat":2076,"vikram_samvatsara":"Paridhāvi","saka_samvat":1941,"saka_samvatsara":"Vikāri","bengali_samvat":1426,"malayalam_era":1195,"nanakshahi_year":550,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Pratipada · Vikram 2076 Paridhāvi · Śaka 1941 Vikāri"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"precedence":5}],"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":[]},"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, 2019 CE · Ayodhyā · Vidhyamitra","description":"December 13, 2019 CE for Ayodhyā: Kṛṣṇa Pratipada, sūryodaya 06:42, sūryāsta 17:10.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2019-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2019-12-13","sa":"https://sa.vidhyamitra.com/city/ayodhya/2019-12-13","hi":"https://hi.vidhyamitra.com/city/ayodhya/2019-12-13","x-default":"https://vidhyamitra.com/city/ayodhya/2019-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T12:50:38.274Z","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":"2026-05-15T12:50:38.274Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T12:50:38.274Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}