{"id":"vidhyamitra:city-day:mathura:2001-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2001-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-17","date_display":"December 17, 2001 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":2001,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452260.770833,"kali_year":5103,"ahargana":1863795.2708,"sun":{"sidereal_longitude":240.9097,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":268.8823,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9726,"elapsed_within_tithi_degrees":3.9726},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8823,"elapsed_within_degrees":2.2156},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.792},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2001,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452260.770833,"ahargana":1863795.2708,"kali_year":5103,"ayanamsa_lahiri":23.8804,"grahas":{"sun":{"sidereal_longitude":241.282463,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":266.903763,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":-1.6642},"mars":{"sidereal_longitude":312.05666300000007,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":248.04886299999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":78.65626300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":234.46676300000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":46.408263000000034,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":67.1573,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":247.1573,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"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":2001,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452260.770833,"kali_year":5103,"ahargana":1863795.2708,"sun":{"sidereal_longitude":240.9097,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":268.8823,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":27.9726,"elapsed_within_tithi_degrees":3.9726},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.8823,"elapsed_within_degrees":2.2156},"yoga":{"number":12,"name":"Dhruva","sum_longitude":149.792},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.664,"elongation":27.973},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.664,"opposition_distance":152.027}},"eclipse_window_40days":[]},"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"mathura","name":"Mathurā","lat":27.4924,"lon":77.6737,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:04","sunsetLocal":"17:28","solarNoonLocal":"12:16","dayLengthHours":10.408789105581299,"dayLengthDisplay":"10 Hours 24 Mins 32 Secs","nightLengthDisplay":"13 Hours 35 Mins 28 Secs","moonriseLocal":"08:44","moonsetLocal":"19:13","rahuKala":{"name":"Rāhu Kāla","start":"08:22","end":"09:40","startHours":8.364234604121872,"endHours":9.665333242319536,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:58","end":"12:16","startHours":10.966431880517199,"endHours":12.26753051871486,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:34","end":"14:52","startHours":13.568629156912522,"endHours":14.869727795110185,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:50","startHours":9.49185342389318,"endHours":9.83881306074589,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.496835511990098,"endHours":7.774403221472266,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:37","startHours":11.920570881862151,"endHours":12.61449015556757,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:22","startHours":5.675297418513371,"endHours":6.3692166922187905,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:04","startHours":6.195736873792436,"endHours":7.063135965924211,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:42","startHours":14.00232870297841,"endHours":14.69624797668383,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.27192507150551,"endHours":17.67192507150551,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.47192507150551,"endHours":17.905624617571398,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.22192507150551,"endHours":18.97192507150551,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:37","startHours":23.92057088186215,"endHours":24.61449015556757,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:04","end":"08:22","startHours":7.063135965924211,"endHours":8.364234604121872,"quality":"auspicious"},{"name":"Kāla","start":"08:22","end":"09:40","startHours":8.364234604121872,"endHours":9.665333242319536,"quality":"inauspicious"},{"name":"Śubha","start":"09:40","end":"10:58","startHours":9.665333242319536,"endHours":10.966431880517199,"quality":"auspicious"},{"name":"Roga","start":"10:58","end":"12:16","startHours":10.966431880517199,"endHours":12.26753051871486,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:34","startHours":12.26753051871486,"endHours":13.568629156912522,"quality":"inauspicious"},{"name":"Chala","start":"13:34","end":"14:52","startHours":13.568629156912522,"endHours":14.869727795110185,"quality":"neutral"},{"name":"Labha","start":"14:52","end":"16:10","startHours":14.869727795110185,"endHours":16.170826433307848,"quality":"auspicious"},{"name":"Amṛta","start":"16:10","end":"17:28","startHours":16.170826433307848,"endHours":17.47192507150551,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:28","end":"19:10","startHours":17.47192507150551,"endHours":19.170826433307848,"quality":"neutral"},{"name":"Labha","start":"19:10","end":"20:52","startHours":19.170826433307848,"endHours":20.869727795110187,"quality":"auspicious"},{"name":"Amṛta","start":"20:52","end":"22:34","startHours":20.869727795110187,"endHours":22.56862915691252,"quality":"auspicious"},{"name":"Kāla","start":"22:34","end":"00:16","startHours":22.56862915691252,"endHours":24.26753051871486,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:58","startHours":24.26753051871486,"endHours":25.9664318805172,"quality":"auspicious"},{"name":"Roga","start":"01:58","end":"03:40","startHours":25.9664318805172,"endHours":27.665333242319534,"quality":"inauspicious"},{"name":"Udveg","start":"03:40","end":"05:22","startHours":27.665333242319534,"endHours":29.364234604121872,"quality":"inauspicious"},{"name":"Chala","start":"05:22","end":"07:04","startHours":29.364234604121872,"endHours":31.06313596592421,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.063135965924211,"endHours":8.06313596592421,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.06313596592421,"endHours":9.06313596592421,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.06313596592421,"endHours":10.06313596592421,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.06313596592421,"endHours":11.06313596592421,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.06313596592421,"endHours":12.06313596592421,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.06313596592421,"endHours":13.06313596592421,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.06313596592421,"endHours":14.06313596592421,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.06313596592421,"endHours":15.06313596592421,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.06313596592421,"endHours":16.06313596592421,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.06313596592421,"endHours":17.06313596592421,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.06313596592421,"endHours":18.06313596592421,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.06313596592421,"endHours":19.06313596592421,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.06313596592421,"endHours":20.06313596592421,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.06313596592421,"endHours":21.06313596592421,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.06313596592421,"endHours":22.06313596592421,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.06313596592421,"endHours":23.06313596592421,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.06313596592421,"endHours":24.06313596592421,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.06313596592421,"endHours":25.06313596592421,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.06313596592421,"endHours":26.06313596592421,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.06313596592421,"endHours":27.06313596592421,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.06313596592421,"endHours":28.06313596592421,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.06313596592421,"endHours":29.06313596592421,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.06313596592421,"endHours":30.06313596592421,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.06313596592421,"endHours":31.06313596592421,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.348068828517448,"eotMinutes":3.253368877108411,"ayanamsa":23.8804}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Tṛtīyā · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"mathura"},"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, 2001 CE · Mathurā · Vidhyamitra","description":"December 17, 2001 CE for Mathurā: Śukla Tṛtīyā, sūryodaya 07:04, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2001-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2001-12-17","sa":"https://sa.vidhyamitra.com/city/mathura/2001-12-17","hi":"https://hi.vidhyamitra.com/city/mathura/2001-12-17","x-default":"https://vidhyamitra.com/city/mathura/2001-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T10:37:29.389Z","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":"2026-05-14T10:37:29.389Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T10:37:29.389Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}