{"id":"vidhyamitra:city-day:ayodhya:2180-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2180-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2180-12-22","date_display":"December 22, 2180 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":2180,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517644.770833,"kali_year":5282,"ahargana":1929179.2708,"sun":{"sidereal_longitude":243.6638,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":310.2571,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5932,"elapsed_within_tithi_degrees":6.5932},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.2571,"elapsed_within_degrees":3.5904},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.9209},"karana":{"half_tithi_index":11,"name":"Taitila"},"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":2180,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517644.770833,"ahargana":1929179.2708,"kali_year":5282,"ayanamsa_lahiri":26.3811,"grahas":{"sun":{"sidereal_longitude":244.43611299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":313.445513,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false,"latitude":4.2923},"mars":{"sidereal_longitude":50.78321299999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":262.125813,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":113.49751300000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":231.138913,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":80.03741300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":202.7984,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":22.7984,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","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":2180,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517644.770833,"kali_year":5282,"ahargana":1929179.2708,"sun":{"sidereal_longitude":243.6638,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":310.2571,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":66.5932,"elapsed_within_tithi_degrees":6.5932},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2,"moon_longitude":310.2571,"elapsed_within_degrees":3.5904},"yoga":{"number":15,"name":"Vajra","sum_longitude":193.9209},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.292,"elongation":66.593},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.292,"opposition_distance":113.407}},"eclipse_window_40days":[{"offset_days":-20,"type":"lunar","occurs":true,"moon_latitude":-1.399,"opposition_distance":1.186}]},"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":"06:47","sunsetLocal":"17:14","solarNoonLocal":"12:00","dayLengthHours":10.452485799078055,"dayLengthDisplay":"10 Hours 27 Mins 09 Secs","nightLengthDisplay":"13 Hours 32 Mins 51 Secs","moonriseLocal":"10:50","moonsetLocal":"22:23","rahuKala":{"name":"Rāhu Kāla","start":"10:42","end":"12:00","startHours":10.69795582345657,"endHours":12.004516548341329,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:37","end":"15:55","startHours":14.61763799811084,"endHours":15.924198722995598,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:05","end":"09:23","startHours":8.084834373687057,"endHours":9.391395098571813,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:34","startHours":9.217187001920513,"endHours":9.565603195223115,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:13","end":"07:30","startHours":7.213793890430552,"endHours":7.492526845072634,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:39","end":"12:21","startHours":11.656100355038726,"endHours":12.352932741643931,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:23","end":"06:05","startHours":5.384608875591893,"endHours":6.081441262197097,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:54","end":"06:47","startHours":5.9072331655457955,"endHours":6.7782736488023,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:45","end":"14:27","startHours":13.746597514854336,"endHours":14.44342990145954,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.030759447880357,"endHours":17.430759447880355,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:40","startHours":17.230759447880356,"endHours":17.66627968950861,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.980759447880356,"endHours":18.730759447880356,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:39","end":"00:21","startHours":23.656100355038728,"endHours":24.35293274164393,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:47","end":"08:05","startHours":6.7782736488023,"endHours":8.084834373687057,"quality":"neutral"},{"name":"Labha","start":"08:05","end":"09:23","startHours":8.084834373687057,"endHours":9.391395098571813,"quality":"auspicious"},{"name":"Amṛta","start":"09:23","end":"10:42","startHours":9.391395098571813,"endHours":10.69795582345657,"quality":"auspicious"},{"name":"Kāla","start":"10:42","end":"12:00","startHours":10.69795582345657,"endHours":12.004516548341329,"quality":"inauspicious"},{"name":"Śubha","start":"12:00","end":"13:19","startHours":12.004516548341329,"endHours":13.311077273226084,"quality":"auspicious"},{"name":"Roga","start":"13:19","end":"14:37","startHours":13.311077273226084,"endHours":14.61763799811084,"quality":"inauspicious"},{"name":"Udveg","start":"14:37","end":"15:55","startHours":14.61763799811084,"endHours":15.924198722995598,"quality":"inauspicious"},{"name":"Chala","start":"15:55","end":"17:14","startHours":15.924198722995598,"endHours":17.230759447880356,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:14","end":"18:55","startHours":17.230759447880356,"endHours":18.924198722995598,"quality":"inauspicious"},{"name":"Udveg","start":"18:55","end":"20:37","startHours":18.924198722995598,"endHours":20.617637998110844,"quality":"inauspicious"},{"name":"Chala","start":"20:37","end":"22:19","startHours":20.617637998110844,"endHours":22.311077273226086,"quality":"neutral"},{"name":"Labha","start":"22:19","end":"00:00","startHours":22.311077273226086,"endHours":24.00451654834133,"quality":"auspicious"},{"name":"Amṛta","start":"00:00","end":"01:42","startHours":24.00451654834133,"endHours":25.69795582345657,"quality":"auspicious"},{"name":"Kāla","start":"01:42","end":"03:23","startHours":25.69795582345657,"endHours":27.391395098571813,"quality":"inauspicious"},{"name":"Śubha","start":"03:23","end":"05:05","startHours":27.391395098571813,"endHours":29.08483437368706,"quality":"auspicious"},{"name":"Roga","start":"05:05","end":"06:47","startHours":29.08483437368706,"endHours":30.7782736488023,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:47","end":"07:47","startHours":6.7782736488023,"endHours":7.7782736488023,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:47","end":"08:47","startHours":7.7782736488023,"endHours":8.778273648802301,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:47","end":"09:47","startHours":8.778273648802301,"endHours":9.778273648802301,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:47","end":"10:47","startHours":9.778273648802301,"endHours":10.778273648802301,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:47","end":"11:47","startHours":10.778273648802301,"endHours":11.778273648802301,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:47","end":"12:47","startHours":11.778273648802301,"endHours":12.778273648802301,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:47","end":"13:47","startHours":12.778273648802301,"endHours":13.778273648802301,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:47","end":"14:47","startHours":13.778273648802301,"endHours":14.778273648802301,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:47","end":"15:47","startHours":14.778273648802301,"endHours":15.778273648802301,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:47","end":"16:47","startHours":15.778273648802301,"endHours":16.7782736488023,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:47","end":"17:47","startHours":16.7782736488023,"endHours":17.7782736488023,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:47","end":"18:47","startHours":17.7782736488023,"endHours":18.7782736488023,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:47","end":"19:47","startHours":18.7782736488023,"endHours":19.7782736488023,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:47","end":"20:47","startHours":19.7782736488023,"endHours":20.7782736488023,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:47","end":"21:47","startHours":20.7782736488023,"endHours":21.7782736488023,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:47","end":"22:47","startHours":21.7782736488023,"endHours":22.7782736488023,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:47","end":"23:47","startHours":22.7782736488023,"endHours":23.7782736488023,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:47","end":"00:47","startHours":23.7782736488023,"endHours":24.7782736488023,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:47","end":"01:47","startHours":24.7782736488023,"endHours":25.7782736488023,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:47","end":"02:47","startHours":25.7782736488023,"endHours":26.7782736488023,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:47","end":"03:47","startHours":26.7782736488023,"endHours":27.7782736488023,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:47","end":"04:47","startHours":27.7782736488023,"endHours":28.7782736488023,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:47","end":"05:47","startHours":28.7782736488023,"endHours":29.7782736488023,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:47","end":"06:47","startHours":29.7782736488023,"endHours":30.7782736488023,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.433973666528196,"eotMinutes":0.9130070995203906,"ayanamsa":26.3811}},"calendars":{"vikram_samvat":2237,"vikram_samvatsara":"Vijaya","saka_samvat":2102,"saka_samvatsara":"Vikrama","bengali_samvat":1587,"malayalam_era":1356,"nanakshahi_year":711,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Ṣaṣṭhī · Vikram 2237 Vijaya · Śaka 2102 Vikrama"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"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 22, 2180 CE · Ayodhyā · Vidhyamitra","description":"December 22, 2180 CE for Ayodhyā: Śukla Ṣaṣṭhī, sūryodaya 06:47, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2180-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2180-12-22","sa":"https://sa.vidhyamitra.com/city/ayodhya/2180-12-22","hi":"https://hi.vidhyamitra.com/city/ayodhya/2180-12-22","x-default":"https://vidhyamitra.com/city/ayodhya/2180-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T13:20:25.670Z","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":"2026-05-21T13:20:25.670Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T13:20:25.670Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}