{"id":"vidhyamitra:city-day:vrindavan:2174-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2174-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2174-12-17","date_display":"December 17, 2174 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":2174,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515447.770833,"kali_year":5276,"ahargana":1926982.2708,"sun":{"sidereal_longitude":238.0727,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":156.7527,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.6799,"elapsed_within_tithi_degrees":2.6799},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":156.7527,"elapsed_within_degrees":10.086},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.8254},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2174,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2515447.770833,"ahargana":1926982.2708,"kali_year":5276,"ayanamsa_lahiri":26.297,"grahas":{"sun":{"sidereal_longitude":238.878555,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":157.25655499999993,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":-1.3554},"mars":{"sidereal_longitude":301.629955,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":255.362255,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":266.79375500000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":261.188255,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":352.148255,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":319.206,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":139.206,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"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":2174,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2515447.770833,"kali_year":5276,"ahargana":1926982.2708,"sun":{"sidereal_longitude":238.0727,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":156.7527,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":278.6799,"elapsed_within_tithi_degrees":2.6799},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":156.7527,"elapsed_within_degrees":10.086},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":34.8254},"karana":{"half_tithi_index":46,"name":"Taitila"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.355,"elongation":81.32},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.355,"opposition_distance":98.68}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:04","sunsetLocal":"17:28","solarNoonLocal":"12:16","dayLengthHours":10.403411208441277,"dayLengthDisplay":"10 Hours 24 Mins 12 Secs","nightLengthDisplay":"13 Hours 35 Mins 48 Secs","moonriseLocal":"00:50","moonsetLocal":"12:49","rahuKala":{"name":"Rāhu Kāla","start":"09:40","end":"10:58","startHours":9.66763771660454,"endHours":10.9680641176597,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:34","end":"14:52","startHours":13.568916919770018,"endHours":14.869343320825179,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:04","end":"08:22","startHours":7.066784914494221,"endHours":8.36721131554938,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:50","startHours":9.494247529797185,"endHours":9.841027903411895,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.500260381512607,"endHours":7.777684680404374,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:37","startHours":11.92171014510015,"endHours":12.615270892329569,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:22","startHours":5.679663420035384,"endHours":6.3732241672648025,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:04","startHours":6.199833980457448,"endHours":7.066784914494221,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:42","startHours":14.002392386788404,"endHours":14.695953134017822,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.2701961229355,"endHours":17.670196122935497,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.470196122935498,"endHours":17.903671589953884,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.220196122935498,"endHours":18.970196122935498,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:37","startHours":23.92171014510015,"endHours":24.61527089232957,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:04","end":"08:22","startHours":7.066784914494221,"endHours":8.36721131554938,"quality":"inauspicious"},{"name":"Śubha","start":"08:22","end":"09:40","startHours":8.36721131554938,"endHours":9.66763771660454,"quality":"auspicious"},{"name":"Roga","start":"09:40","end":"10:58","startHours":9.66763771660454,"endHours":10.9680641176597,"quality":"inauspicious"},{"name":"Udveg","start":"10:58","end":"12:16","startHours":10.9680641176597,"endHours":12.26849051871486,"quality":"inauspicious"},{"name":"Chala","start":"12:16","end":"13:34","startHours":12.26849051871486,"endHours":13.568916919770018,"quality":"neutral"},{"name":"Labha","start":"13:34","end":"14:52","startHours":13.568916919770018,"endHours":14.869343320825179,"quality":"auspicious"},{"name":"Amṛta","start":"14:52","end":"16:10","startHours":14.869343320825179,"endHours":16.16976972188034,"quality":"auspicious"},{"name":"Kāla","start":"16:10","end":"17:28","startHours":16.16976972188034,"endHours":17.470196122935498,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:28","end":"19:10","startHours":17.470196122935498,"endHours":19.16976972188034,"quality":"auspicious"},{"name":"Amṛta","start":"19:10","end":"20:52","startHours":19.16976972188034,"endHours":20.86934332082518,"quality":"auspicious"},{"name":"Kāla","start":"20:52","end":"22:34","startHours":20.86934332082518,"endHours":22.568916919770018,"quality":"inauspicious"},{"name":"Śubha","start":"22:34","end":"00:16","startHours":22.568916919770018,"endHours":24.26849051871486,"quality":"auspicious"},{"name":"Roga","start":"00:16","end":"01:58","startHours":24.26849051871486,"endHours":25.9680641176597,"quality":"inauspicious"},{"name":"Udveg","start":"01:58","end":"03:40","startHours":25.9680641176597,"endHours":27.66763771660454,"quality":"inauspicious"},{"name":"Chala","start":"03:40","end":"05:22","startHours":27.66763771660454,"endHours":29.36721131554938,"quality":"neutral"},{"name":"Labha","start":"05:22","end":"07:04","startHours":29.36721131554938,"endHours":31.06678491449422,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.066784914494221,"endHours":8.066784914494221,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.066784914494221,"endHours":9.066784914494221,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.066784914494221,"endHours":10.066784914494221,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.066784914494221,"endHours":11.066784914494221,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.066784914494221,"endHours":12.066784914494221,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.066784914494221,"endHours":13.066784914494221,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.066784914494221,"endHours":14.066784914494221,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.066784914494221,"endHours":15.066784914494221,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.066784914494221,"endHours":16.06678491449422,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.06678491449422,"endHours":17.06678491449422,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.06678491449422,"endHours":18.06678491449422,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.06678491449422,"endHours":19.06678491449422,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.06678491449422,"endHours":20.06678491449422,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.06678491449422,"endHours":21.06678491449422,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.06678491449422,"endHours":22.06678491449422,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.06678491449422,"endHours":23.06678491449422,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.06678491449422,"endHours":24.06678491449422,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.06678491449422,"endHours":25.06678491449422,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.06678491449422,"endHours":26.06678491449422,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.06678491449422,"endHours":27.06678491449422,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.06678491449422,"endHours":28.06678491449422,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.06678491449422,"endHours":29.06678491449422,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.06678491449422,"endHours":30.06678491449422,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.06678491449422,"endHours":31.06678491449422,"planetary_lord":"Mercury"}],"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","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-West","rahuVasa":"East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.348531855282328,"eotMinutes":3.253368877108411,"ayanamsa":26.297}},"calendars":{"vikram_samvat":2231,"vikram_samvatsara":"Sarvajit","saka_samvat":2096,"saka_samvatsara":"Bhāva","bengali_samvat":1581,"malayalam_era":1350,"nanakshahi_year":705,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Navamī · Vikram 2231 Sarvajit · Śaka 2096 Bhāva"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"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, 2174 CE · Vṛndāvana · Vidhyamitra","description":"December 17, 2174 CE for Vṛndāvana: Kṛṣṇa Navamī, sūryodaya 07:04, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2174-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2174-12-17","sa":"https://sa.vidhyamitra.com/city/vrindavan/2174-12-17","hi":"https://hi.vidhyamitra.com/city/vrindavan/2174-12-17","x-default":"https://vidhyamitra.com/city/vrindavan/2174-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:17:22.213Z","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":"2026-05-31T16:17:22.213Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:17:22.213Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}