{"id":"vidhyamitra:city-day:ayodhya:2173-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2173-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-12-09","date_display":"December 9, 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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515074.770833,"kali_year":5275,"ahargana":1926609.2708,"sun":{"sidereal_longitude":230.1409,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":279.7894,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.6484,"elapsed_within_tithi_degrees":1.6484},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.7894,"elapsed_within_degrees":13.1227},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9303},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515074.770833,"ahargana":1926609.2708,"kali_year":5275,"ayanamsa_lahiri":26.2828,"grahas":{"sun":{"sidereal_longitude":231.01140599999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":283.25100599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-3.8635},"mars":{"sidereal_longitude":169.57300599999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":241.76830599999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":239.51270599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":205.89160600000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":339.081906,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":338.9693,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":158.9693,"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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515074.770833,"kali_year":5275,"ahargana":1926609.2708,"sun":{"sidereal_longitude":230.1409,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":279.7894,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":5,"name":"Pañcamī","paksha":"Śukla","full_name":"Śukla Pañcamī","elongation_degrees":49.6484,"elapsed_within_tithi_degrees":1.6484},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4,"moon_longitude":279.7894,"elapsed_within_degrees":13.1227},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.9303},"karana":{"half_tithi_index":8,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.863,"elongation":49.648},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.863,"opposition_distance":130.352}},"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":"06:39","sunsetLocal":"17:09","solarNoonLocal":"11:54","dayLengthHours":10.50096375425025,"dayLengthDisplay":"10 Hours 30 Mins 03 Secs","nightLengthDisplay":"13 Hours 29 Mins 57 Secs","moonriseLocal":"09:58","moonsetLocal":"20:49","rahuKala":{"name":"Rāhu Kāla","start":"13:13","end":"14:32","startHours":13.217906095144595,"endHours":14.530526564425877,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:39","end":"07:58","startHours":6.65480374873819,"endHours":7.967424218019471,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:17","end":"10:36","startHours":9.280044687300752,"endHours":10.592665156582033,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:06","end":"09:27","startHours":9.105028624729915,"endHours":9.45506074987159,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:22","startHours":7.092343905165284,"endHours":7.372369605278624,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:33","end":"12:15","startHours":11.555253500721639,"endHours":12.25531775100499,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:15","end":"05:57","startHours":5.254675248171489,"endHours":5.95473949845484,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:39","startHours":5.779723435884002,"endHours":6.65480374873819,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:39","end":"14:21","startHours":13.65544625157169,"endHours":14.35551050185504,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:57","end":"17:21","startHours":16.95576750298844,"endHours":17.35576750298844,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:09","end":"17:36","startHours":17.15576750298844,"endHours":17.593307659415533,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:54","end":"18:39","startHours":16.90576750298844,"endHours":18.65576750298844,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:33","end":"00:15","startHours":23.55525350072164,"endHours":24.255317751004988,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:39","end":"07:58","startHours":6.65480374873819,"endHours":7.967424218019471,"quality":"auspicious"},{"name":"Roga","start":"07:58","end":"09:17","startHours":7.967424218019471,"endHours":9.280044687300752,"quality":"inauspicious"},{"name":"Udveg","start":"09:17","end":"10:36","startHours":9.280044687300752,"endHours":10.592665156582033,"quality":"inauspicious"},{"name":"Chala","start":"10:36","end":"11:54","startHours":10.592665156582033,"endHours":11.905285625863314,"quality":"neutral"},{"name":"Labha","start":"11:54","end":"13:13","startHours":11.905285625863314,"endHours":13.217906095144595,"quality":"auspicious"},{"name":"Amṛta","start":"13:13","end":"14:32","startHours":13.217906095144595,"endHours":14.530526564425877,"quality":"auspicious"},{"name":"Kāla","start":"14:32","end":"15:51","startHours":14.530526564425877,"endHours":15.843147033707158,"quality":"inauspicious"},{"name":"Śubha","start":"15:51","end":"17:09","startHours":15.843147033707158,"endHours":17.15576750298844,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:09","end":"18:51","startHours":17.15576750298844,"endHours":18.843147033707158,"quality":"auspicious"},{"name":"Kāla","start":"18:51","end":"20:32","startHours":18.843147033707158,"endHours":20.530526564425877,"quality":"inauspicious"},{"name":"Śubha","start":"20:32","end":"22:13","startHours":20.530526564425877,"endHours":22.217906095144595,"quality":"auspicious"},{"name":"Roga","start":"22:13","end":"23:54","startHours":22.217906095144595,"endHours":23.905285625863314,"quality":"inauspicious"},{"name":"Udveg","start":"23:54","end":"01:36","startHours":23.905285625863314,"endHours":25.592665156582033,"quality":"inauspicious"},{"name":"Chala","start":"01:36","end":"03:17","startHours":25.592665156582033,"endHours":27.28004468730075,"quality":"neutral"},{"name":"Labha","start":"03:17","end":"04:58","startHours":27.28004468730075,"endHours":28.96742421801947,"quality":"auspicious"},{"name":"Amṛta","start":"04:58","end":"06:39","startHours":28.96742421801947,"endHours":30.65480374873819,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:39","end":"07:39","startHours":6.65480374873819,"endHours":7.65480374873819,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:39","end":"08:39","startHours":7.65480374873819,"endHours":8.654803748738189,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:39","end":"09:39","startHours":8.654803748738189,"endHours":9.654803748738189,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:39","end":"10:39","startHours":9.654803748738189,"endHours":10.654803748738189,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:39","end":"11:39","startHours":10.654803748738189,"endHours":11.654803748738189,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:39","end":"12:39","startHours":11.654803748738189,"endHours":12.654803748738189,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:39","end":"13:39","startHours":12.654803748738189,"endHours":13.654803748738189,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:39","end":"14:39","startHours":13.654803748738189,"endHours":14.654803748738189,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:39","end":"15:39","startHours":14.654803748738189,"endHours":15.654803748738189,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:39","end":"16:39","startHours":15.654803748738189,"endHours":16.65480374873819,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:39","end":"17:39","startHours":16.65480374873819,"endHours":17.65480374873819,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:39","end":"18:39","startHours":17.65480374873819,"endHours":18.65480374873819,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:39","end":"19:39","startHours":18.65480374873819,"endHours":19.65480374873819,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:39","end":"20:39","startHours":19.65480374873819,"endHours":20.65480374873819,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:39","end":"21:39","startHours":20.65480374873819,"endHours":21.65480374873819,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:39","end":"22:39","startHours":21.65480374873819,"endHours":22.65480374873819,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:39","end":"23:39","startHours":22.65480374873819,"endHours":23.65480374873819,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:39","end":"00:39","startHours":23.65480374873819,"endHours":24.65480374873819,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:39","end":"01:39","startHours":24.65480374873819,"endHours":25.65480374873819,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:39","end":"02:39","startHours":25.65480374873819,"endHours":26.65480374873819,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:39","end":"03:39","startHours":26.65480374873819,"endHours":27.65480374873819,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:39","end":"04:39","startHours":27.65480374873819,"endHours":28.65480374873819,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:39","end":"05:39","startHours":28.65480374873819,"endHours":29.65480374873819,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:39","end":"06:39","startHours":29.65480374873819,"endHours":30.65480374873819,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.82966996767727,"eotMinutes":6.866862448201248,"ayanamsa":26.2828}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Pañcamī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 9, 2173 CE · Ayodhyā · Vidhyamitra","description":"December 9, 2173 CE for Ayodhyā: Śukla Pañcamī, sūryodaya 06:39, sūryāsta 17:09.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2173-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2173-12-09","sa":"https://sa.vidhyamitra.com/city/ayodhya/2173-12-09","hi":"https://hi.vidhyamitra.com/city/ayodhya/2173-12-09","x-default":"https://vidhyamitra.com/city/ayodhya/2173-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:21:25.489Z","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":"2026-05-31T12:21:25.489Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:21:25.489Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}