{"id":"vidhyamitra:city-day:ayodhya:2173-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-12-28","date_display":"December 28, 2173 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":2173,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515093.770833,"kali_year":5275,"ahargana":1926628.2708,"sun":{"sidereal_longitude":249.6343,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":169.0289,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.3946,"elapsed_within_tithi_degrees":3.3946},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.0289,"elapsed_within_degrees":9.0289},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.6632},"karana":{"half_tithi_index":46,"name":"Taitila"},"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":2173,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515093.770833,"ahargana":1926628.2708,"kali_year":5275,"ayanamsa_lahiri":26.2835,"grahas":{"sun":{"sidereal_longitude":250.33637999999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":166.87828000000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false,"latitude":-0.8629},"mars":{"sidereal_longitude":180.57287999999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":267.87228000000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":243.83907999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":208.76498000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":339.41258,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":337.9626,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":157.9626,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"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":2173,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515093.770833,"kali_year":5275,"ahargana":1926628.2708,"sun":{"sidereal_longitude":249.6343,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":169.0289,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":279.3946,"elapsed_within_tithi_degrees":3.3946},"nakshatra":{"number":13,"name":"Hasta","pada":3,"moon_longitude":169.0289,"elapsed_within_degrees":9.0289},"yoga":{"number":5,"name":"Śobhana","sum_longitude":58.6632},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.863,"elongation":80.605},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.863,"opposition_distance":99.395}},"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":"06:49","sunsetLocal":"17:17","solarNoonLocal":"12:03","dayLengthHours":10.465606894936165,"dayLengthDisplay":"10 Hours 27 Mins 56 Secs","nightLengthDisplay":"13 Hours 32 Mins 04 Secs","moonriseLocal":"00:37","moonsetLocal":"12:21","rahuKala":{"name":"Rāhu Kāla","start":"14:40","end":"15:59","startHours":14.667586798138831,"endHours":15.975787660005853,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:26","end":"10:45","startHours":9.434783350670749,"endHours":10.74298421253777,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359385936271812,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:37","startHours":9.26035656908848,"endHours":9.609210132253018,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:15","end":"07:32","startHours":7.254448580892382,"endHours":7.533531431424013,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:24","startHours":11.702331511240253,"endHours":12.400038637569331,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:25","end":"06:07","startHours":5.422967374278553,"endHours":6.120674500607631,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:57","end":"06:49","startHours":5.9462477190253615,"endHours":6.818381626936708,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:48","end":"14:30","startHours":13.795452890227486,"endHours":14.493160016556564,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:05","end":"17:29","startHours":17.083988521872875,"endHours":17.483988521872874,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:17","end":"17:43","startHours":17.283988521872875,"endHours":17.72005547582855,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:02","end":"18:47","startHours":17.033988521872875,"endHours":18.783988521872875,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:24","startHours":23.702331511240253,"endHours":24.40003863756933,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:49","end":"08:08","startHours":6.818381626936708,"endHours":8.126582488803729,"quality":"inauspicious"},{"name":"Udveg","start":"08:08","end":"09:26","startHours":8.126582488803729,"endHours":9.434783350670749,"quality":"inauspicious"},{"name":"Chala","start":"09:26","end":"10:45","startHours":9.434783350670749,"endHours":10.74298421253777,"quality":"neutral"},{"name":"Labha","start":"10:45","end":"12:03","startHours":10.74298421253777,"endHours":12.051185074404792,"quality":"auspicious"},{"name":"Amṛta","start":"12:03","end":"13:22","startHours":12.051185074404792,"endHours":13.359385936271812,"quality":"auspicious"},{"name":"Kāla","start":"13:22","end":"14:40","startHours":13.359385936271812,"endHours":14.667586798138831,"quality":"inauspicious"},{"name":"Śubha","start":"14:40","end":"15:59","startHours":14.667586798138831,"endHours":15.975787660005853,"quality":"auspicious"},{"name":"Roga","start":"15:59","end":"17:17","startHours":15.975787660005853,"endHours":17.283988521872875,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:17","end":"18:59","startHours":17.283988521872875,"endHours":18.975787660005853,"quality":"inauspicious"},{"name":"Śubha","start":"18:59","end":"20:40","startHours":18.975787660005853,"endHours":20.667586798138835,"quality":"auspicious"},{"name":"Roga","start":"20:40","end":"22:22","startHours":20.667586798138835,"endHours":22.359385936271813,"quality":"inauspicious"},{"name":"Udveg","start":"22:22","end":"00:03","startHours":22.359385936271813,"endHours":24.051185074404792,"quality":"inauspicious"},{"name":"Chala","start":"00:03","end":"01:45","startHours":24.051185074404792,"endHours":25.74298421253777,"quality":"neutral"},{"name":"Labha","start":"01:45","end":"03:26","startHours":25.74298421253777,"endHours":27.43478335067075,"quality":"auspicious"},{"name":"Amṛta","start":"03:26","end":"05:08","startHours":27.43478335067075,"endHours":29.12658248880373,"quality":"auspicious"},{"name":"Kāla","start":"05:08","end":"06:49","startHours":29.12658248880373,"endHours":30.81838162693671,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:49","end":"07:49","startHours":6.818381626936708,"endHours":7.818381626936708,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:49","end":"08:49","startHours":7.818381626936708,"endHours":8.81838162693671,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:49","end":"09:49","startHours":8.81838162693671,"endHours":9.81838162693671,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:49","end":"10:49","startHours":9.81838162693671,"endHours":10.81838162693671,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:49","end":"11:49","startHours":10.81838162693671,"endHours":11.81838162693671,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:49","end":"12:49","startHours":11.81838162693671,"endHours":12.81838162693671,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:49","end":"13:49","startHours":12.81838162693671,"endHours":13.81838162693671,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:49","end":"14:49","startHours":13.81838162693671,"endHours":14.81838162693671,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:49","end":"15:49","startHours":14.81838162693671,"endHours":15.81838162693671,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:49","end":"16:49","startHours":15.81838162693671,"endHours":16.81838162693671,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:49","end":"17:49","startHours":16.81838162693671,"endHours":17.81838162693671,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:49","end":"18:49","startHours":17.81838162693671,"endHours":18.81838162693671,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:49","end":"19:49","startHours":18.81838162693671,"endHours":19.81838162693671,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:49","end":"20:49","startHours":19.81838162693671,"endHours":20.81838162693671,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:49","end":"21:49","startHours":20.81838162693671,"endHours":21.81838162693671,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:49","end":"22:49","startHours":21.81838162693671,"endHours":22.81838162693671,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:49","end":"23:49","startHours":22.81838162693671,"endHours":23.81838162693671,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:49","end":"00:49","startHours":23.81838162693671,"endHours":24.81838162693671,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:49","end":"01:49","startHours":24.81838162693671,"endHours":25.81838162693671,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:49","end":"02:49","startHours":25.81838162693671,"endHours":26.81838162693671,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:49","end":"03:49","startHours":26.81838162693671,"endHours":27.81838162693671,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:49","end":"04:49","startHours":27.81838162693671,"endHours":28.81838162693671,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:49","end":"05:49","startHours":28.81838162693671,"endHours":29.81838162693671,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:49","end":"06:49","startHours":29.81838162693671,"endHours":30.81838162693671,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"North","anandadiYoga":{"name":"Amṛta","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":-23.271007806917464,"eotMinutes":-1.8871044642874448,"ayanamsa":26.2835}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Navamī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"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":[]},"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, 2173 CE · Ayodhyā · Vidhyamitra","description":"December 28, 2173 CE for Ayodhyā: Kṛṣṇa Navamī, sūryodaya 06:49, sūryāsta 17:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-12-28","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-12-28","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-12-28","x-default":"https://vidhyamitra.com/city/ayodhya/2173-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-20T22:53:12.636Z","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":"2026-05-20T22:53:12.636Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-20T22:53:12.636Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}