{"id":"vidhyamitra:city-day:ayodhya:2179-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2179-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2179-12-28","date_display":"December 28, 2179 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":2179,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517284.770833,"kali_year":5281,"ahargana":1928819.2708,"sun":{"sidereal_longitude":249.0664,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":247.4346,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.3682,"elapsed_within_tithi_degrees":10.3682},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4346,"elapsed_within_degrees":7.4346},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.5011},"karana":{"half_tithi_index":59,"name":"Nāga"},"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":2179,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2517284.770833,"ahargana":1928819.2708,"kali_year":5281,"ayanamsa_lahiri":26.3673,"grahas":{"sun":{"sidereal_longitude":249.78846799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"moon":{"sidereal_longitude":246.39576799999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":1.94},"mars":{"sidereal_longitude":223.19836800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":263.900268,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":77.697068,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":290.2778679999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":64.302168,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":221.8729,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":41.8729,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"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":2179,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2517284.770833,"kali_year":5281,"ahargana":1928819.2708,"sun":{"sidereal_longitude":249.0664,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":247.4346,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":358.3682,"elapsed_within_tithi_degrees":10.3682},"nakshatra":{"number":19,"name":"Mūla","pada":3,"moon_longitude":247.4346,"elapsed_within_degrees":7.4346},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.5011},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.94,"elongation":1.632},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.94,"opposition_distance":178.368}},"eclipse_window_40days":[{"offset_days":-14,"type":"lunar","occurs":true,"moon_latitude":-0.781,"opposition_distance":2.073}]},"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":"06:49","sunsetLocal":"17:17","solarNoonLocal":"12:03","dayLengthHours":10.463808873551152,"dayLengthDisplay":"10 Hours 27 Mins 50 Secs","nightLengthDisplay":"13 Hours 32 Mins 10 Secs","moonriseLocal":"06:37","moonsetLocal":"17:02","rahuKala":{"name":"Rāhu Kāla","start":"14:40","end":"15:59","startHours":14.66713729279258,"endHours":15.975113401986473,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:26","end":"10:45","startHours":9.435232856017004,"endHours":10.743208965210897,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359161183598687,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:37","startHours":9.260836041457818,"endHours":9.60962967057619,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.2552726740271805,"endHours":7.5343075773218775,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:24","startHours":11.70239144528642,"endHours":12.399978703523164,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:07","startHours":5.424106121155729,"endHours":6.121693379392473,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:49","startHours":5.9472965648332865,"endHours":6.819280637629216,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:48","end":"14:30","startHours":13.79515321999665,"endHours":14.492740478233392,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.08308951118037,"endHours":17.483089511180367,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:43","startHours":17.283089511180368,"endHours":17.719081547578334,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.033089511180368,"endHours":18.783089511180368,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:24","startHours":23.70239144528642,"endHours":24.399978703523164,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:49","end":"08:08","startHours":6.819280637629216,"endHours":8.127256746823111,"quality":"inauspicious"},{"name":"Udveg","start":"08:08","end":"09:26","startHours":8.127256746823111,"endHours":9.435232856017004,"quality":"inauspicious"},{"name":"Chala","start":"09:26","end":"10:45","startHours":9.435232856017004,"endHours":10.743208965210897,"quality":"neutral"},{"name":"Labha","start":"10:45","end":"12:03","startHours":10.743208965210897,"endHours":12.051185074404792,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359161183598687,"quality":"auspicious"},{"name":"Kāla","start":"13:22","end":"14:40","startHours":13.359161183598687,"endHours":14.66713729279258,"quality":"inauspicious"},{"name":"Śubha","start":"14:40","end":"15:59","startHours":14.66713729279258,"endHours":15.975113401986473,"quality":"auspicious"},{"name":"Roga","start":"15:59","end":"17:17","startHours":15.975113401986473,"endHours":17.283089511180368,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:17","end":"18:59","startHours":17.283089511180368,"endHours":18.975113401986473,"quality":"inauspicious"},{"name":"Śubha","start":"18:59","end":"20:40","startHours":18.975113401986473,"endHours":20.66713729279258,"quality":"auspicious"},{"name":"Roga","start":"20:40","end":"22:22","startHours":20.66713729279258,"endHours":22.359161183598687,"quality":"inauspicious"},{"name":"Udveg","start":"22:22","end":"00:03","startHours":22.359161183598687,"endHours":24.051185074404792,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:45","startHours":24.051185074404792,"endHours":25.743208965210897,"quality":"neutral"},{"name":"Labha","start":"01:45","end":"03:26","startHours":25.743208965210897,"endHours":27.435232856017002,"quality":"auspicious"},{"name":"Amṛta","start":"03:26","end":"05:08","startHours":27.435232856017002,"endHours":29.12725674682311,"quality":"auspicious"},{"name":"Kāla","start":"05:08","end":"06:49","startHours":29.12725674682311,"endHours":30.819280637629216,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.819280637629216,"endHours":7.819280637629216,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.819280637629216,"endHours":8.819280637629216,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.819280637629216,"endHours":9.819280637629216,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.819280637629216,"endHours":10.819280637629216,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.819280637629216,"endHours":11.819280637629216,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.819280637629216,"endHours":12.819280637629216,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.819280637629216,"endHours":13.819280637629216,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.819280637629216,"endHours":14.819280637629216,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.819280637629216,"endHours":15.819280637629216,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.819280637629216,"endHours":16.819280637629216,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.819280637629216,"endHours":17.819280637629216,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.819280637629216,"endHours":18.819280637629216,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.819280637629216,"endHours":19.819280637629216,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.819280637629216,"endHours":20.819280637629216,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.819280637629216,"endHours":21.819280637629216,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.819280637629216,"endHours":22.819280637629216,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.819280637629216,"endHours":23.819280637629216,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.819280637629216,"endHours":24.819280637629216,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.819280637629216,"endHours":25.819280637629216,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.819280637629216,"endHours":26.819280637629216,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.819280637629216,"endHours":27.819280637629216,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.819280637629216,"endHours":28.819280637629216,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.819280637629216,"endHours":29.819280637629216,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.819280637629216,"endHours":30.819280637629216,"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"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":-23.293365704538328,"eotMinutes":-1.8871044642874448,"ayanamsa":26.3673}},"calendars":{"vikram_samvat":2236,"vikram_samvatsara":"Nandana","saka_samvat":2101,"saka_samvatsara":"Pramāthi","bengali_samvat":1586,"malayalam_era":1355,"nanakshahi_year":710,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Amāvasyā · Vikram 2236 Nandana · Śaka 2101 Pramāthi"},"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":"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":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 28, 2179 CE · Ayodhyā · Vidhyamitra","description":"December 28, 2179 CE for Ayodhyā: Kṛṣṇa Amāvasyā, sūryodaya 06:49, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2179-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2179-12-28","sa":"https://sa.vidhyamitra.com/city/ayodhya/2179-12-28","hi":"https://hi.vidhyamitra.com/city/ayodhya/2179-12-28","x-default":"https://vidhyamitra.com/city/ayodhya/2179-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-22T16:32:16.704Z","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":"2026-05-22T16:32:16.704Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-22T16:32:16.704Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}