{"id":"vidhyamitra:city-day:ayodhya:2175-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/ayodhya/2175-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2175-12-17","date_display":"December 17, 2175 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":2175,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515812.770833,"kali_year":5277,"ahargana":1927347.2708,"sun":{"sidereal_longitude":237.8073,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":282.097,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.2897,"elapsed_within_tithi_degrees":8.2897},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.097,"elapsed_within_degrees":2.097},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.9043},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2175,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515812.770833,"ahargana":1927347.2708,"kali_year":5277,"ayanamsa_lahiri":26.311,"grahas":{"sun":{"sidereal_longitude":238.618609,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":280.934809,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-1.3721},"mars":{"sidereal_longitude":188.060109,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":225.711409,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":294.48570900000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":205.52340900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":5.781708999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":299.8665,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":119.8665,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2175,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515812.770833,"kali_year":5277,"ahargana":1927347.2708,"sun":{"sidereal_longitude":237.8073,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":282.097,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":44.2897,"elapsed_within_tithi_degrees":8.2897},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.097,"elapsed_within_degrees":2.097},"yoga":{"number":12,"name":"Dhruva","sum_longitude":159.9043},"karana":{"half_tithi_index":7,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.372,"elongation":44.29},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.372,"opposition_distance":135.71}},"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":"06:44","sunsetLocal":"17:12","solarNoonLocal":"11:58","dayLengthHours":10.460109233225019,"dayLengthDisplay":"10 Hours 27 Mins 36 Secs","nightLengthDisplay":"13 Hours 32 Mins 24 Secs","moonriseLocal":"09:23","moonsetLocal":"20:11","rahuKala":{"name":"Rāhu Kāla","start":"15:53","end":"17:12","startHours":15.888051481174244,"endHours":17.19556513532737,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.273024172867988,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:35","end":"15:53","startHours":14.580537827021116,"endHours":15.888051481174244,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:11","end":"09:31","startHours":9.176148056521523,"endHours":9.52481836429569,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:27","startHours":7.171293786820061,"endHours":7.450230033039395,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:37","end":"12:19","startHours":11.616840210940694,"endHours":12.314180826489029,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:20","end":"06:02","startHours":5.340774671005683,"endHours":6.038115286554017,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:52","end":"06:44","startHours":5.863780132666934,"endHours":6.735455902102352,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:24","startHours":13.708862057585698,"endHours":14.406202673134032,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.99556513532737,"endHours":17.39556513532737,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:38","startHours":17.19556513532737,"endHours":17.63140302004508,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.94556513532737,"endHours":18.69556513532737,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:37","end":"00:19","startHours":23.616840210940694,"endHours":24.31418082648903,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:44","end":"08:03","startHours":6.735455902102352,"endHours":8.042969556255478,"quality":"inauspicious"},{"name":"Chala","start":"08:03","end":"09:21","startHours":8.042969556255478,"endHours":9.350483210408607,"quality":"neutral"},{"name":"Labha","start":"09:21","end":"10:39","startHours":9.350483210408607,"endHours":10.657996864561735,"quality":"auspicious"},{"name":"Amṛta","start":"10:39","end":"11:58","startHours":10.657996864561735,"endHours":11.965510518714861,"quality":"auspicious"},{"name":"Kāla","start":"11:58","end":"13:16","startHours":11.965510518714861,"endHours":13.273024172867988,"quality":"inauspicious"},{"name":"Śubha","start":"13:16","end":"14:35","startHours":13.273024172867988,"endHours":14.580537827021116,"quality":"auspicious"},{"name":"Roga","start":"14:35","end":"15:53","startHours":14.580537827021116,"endHours":15.888051481174244,"quality":"inauspicious"},{"name":"Udveg","start":"15:53","end":"17:12","startHours":15.888051481174244,"endHours":17.19556513532737,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:12","end":"18:53","startHours":17.19556513532737,"endHours":18.888051481174244,"quality":"auspicious"},{"name":"Roga","start":"18:53","end":"20:35","startHours":18.888051481174244,"endHours":20.580537827021118,"quality":"inauspicious"},{"name":"Udveg","start":"20:35","end":"22:16","startHours":20.580537827021118,"endHours":22.273024172867988,"quality":"inauspicious"},{"name":"Chala","start":"22:16","end":"23:58","startHours":22.273024172867988,"endHours":23.96551051871486,"quality":"neutral"},{"name":"Labha","start":"23:58","end":"01:39","startHours":23.96551051871486,"endHours":25.657996864561735,"quality":"auspicious"},{"name":"Amṛta","start":"01:39","end":"03:21","startHours":25.657996864561735,"endHours":27.350483210408605,"quality":"auspicious"},{"name":"Kāla","start":"03:21","end":"05:03","startHours":27.350483210408605,"endHours":29.04296955625548,"quality":"inauspicious"},{"name":"Śubha","start":"05:03","end":"06:44","startHours":29.04296955625548,"endHours":30.735455902102352,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:44","end":"07:44","startHours":6.735455902102352,"endHours":7.735455902102352,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:44","end":"08:44","startHours":7.735455902102352,"endHours":8.735455902102352,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:44","end":"09:44","startHours":8.735455902102352,"endHours":9.735455902102352,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:44","end":"10:44","startHours":9.735455902102352,"endHours":10.735455902102352,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:44","end":"11:44","startHours":10.735455902102352,"endHours":11.735455902102352,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:44","end":"12:44","startHours":11.735455902102352,"endHours":12.735455902102352,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:44","end":"13:44","startHours":12.735455902102352,"endHours":13.735455902102352,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:44","end":"14:44","startHours":13.735455902102352,"endHours":14.735455902102352,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:44","end":"15:44","startHours":14.735455902102352,"endHours":15.735455902102352,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:44","end":"16:44","startHours":15.735455902102352,"endHours":16.735455902102352,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:44","end":"17:44","startHours":16.735455902102352,"endHours":17.735455902102352,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:44","end":"18:44","startHours":17.735455902102352,"endHours":18.735455902102352,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:44","end":"19:44","startHours":18.735455902102352,"endHours":19.735455902102352,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:44","end":"20:44","startHours":19.735455902102352,"endHours":20.735455902102352,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:44","end":"21:44","startHours":20.735455902102352,"endHours":21.735455902102352,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:44","end":"22:44","startHours":21.735455902102352,"endHours":22.735455902102352,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:44","end":"23:44","startHours":22.735455902102352,"endHours":23.735455902102352,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:44","end":"00:44","startHours":23.735455902102352,"endHours":24.735455902102352,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:44","end":"01:44","startHours":24.735455902102352,"endHours":25.735455902102352,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:44","end":"02:44","startHours":25.735455902102352,"endHours":26.735455902102352,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:44","end":"03:44","startHours":26.735455902102352,"endHours":27.735455902102352,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:44","end":"04:44","startHours":27.735455902102352,"endHours":28.735455902102352,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:44","end":"05:44","startHours":28.735455902102352,"endHours":29.735455902102352,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:44","end":"06:44","startHours":29.735455902102352,"endHours":30.735455902102352,"planetary_lord":"Jupiter"}],"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mausala","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":-23.339343529391243,"eotMinutes":3.253368877108411,"ayanamsa":26.311}},"calendars":{"vikram_samvat":2232,"vikram_samvatsara":"Sarvadhāri","saka_samvat":2097,"saka_samvatsara":"Yuva","bengali_samvat":1582,"malayalam_era":1351,"nanakshahi_year":706,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2232 Sarvadhāri · Śaka 2097 Yuva"},"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 17, 2175 CE · Ayodhyā · Vidhyamitra","description":"December 17, 2175 CE for Ayodhyā: Śukla Caturthī, sūryodaya 06:44, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/ayodhya/2175-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/ayodhya/2175-12-17","sa":"https://sa.vidhyamitra.com/city/ayodhya/2175-12-17","hi":"https://hi.vidhyamitra.com/city/ayodhya/2175-12-17","x-default":"https://vidhyamitra.com/city/ayodhya/2175-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-21T12:47:29.053Z","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":"2026-05-21T12:47:29.053Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-21T12:47:29.053Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}