{"id":"vidhyamitra:city-day:mathura:2001-12-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2001-12-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-09","date_display":"December 9, 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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452252.770833,"kali_year":5103,"ahargana":1863787.2708,"sun":{"sidereal_longitude":232.7067,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":158.6711,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.9644,"elapsed_within_tithi_degrees":9.9644},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.6711,"elapsed_within_degrees":12.0044},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.3778},"karana":{"half_tithi_index":47,"name":"Gara"},"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":2001,"month":12,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452252.770833,"ahargana":1863787.2708,"kali_year":5103,"ayanamsa_lahiri":23.8801,"grahas":{"sun":{"sidereal_longitude":233.1475680000001,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":159.12766800000009,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false,"latitude":4.4992},"mars":{"sidereal_longitude":306.21696799999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":235.39586800000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":79.594068,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":224.39946800000007,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":47.04976799999997,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":67.5812,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":247.5812,"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":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452252.770833,"kali_year":5103,"ahargana":1863787.2708,"sun":{"sidereal_longitude":232.7067,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":158.6711,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":285.9644,"elapsed_within_tithi_degrees":9.9644},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4,"moon_longitude":158.6711,"elapsed_within_degrees":12.0044},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":31.3778},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.499,"elongation":74.036},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.499,"opposition_distance":105.964}},"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":"06:59","sunsetLocal":"17:26","solarNoonLocal":"12:12","dayLengthHours":10.453778430864093,"dayLengthDisplay":"10 Hours 27 Mins 14 Secs","nightLengthDisplay":"13 Hours 32 Mins 46 Secs","moonriseLocal":"01:16","moonsetLocal":"13:16","rahuKala":{"name":"Rāhu Kāla","start":"16:08","end":"17:26","startHours":16.12747253743735,"endHours":17.43419484129536,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:12","end":"13:31","startHours":12.207305625863313,"endHours":13.514027929721323,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:49","end":"16:08","startHours":14.820750233579336,"endHours":16.12747253743735,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:25","end":"09:46","startHours":9.419631377632887,"endHours":9.768090658661691,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:25","end":"07:42","startHours":7.415990511717269,"endHours":7.694757936540312,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:33","startHours":11.85884634483451,"endHours":12.555764906892117,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:17","startHours":5.586579286316054,"endHours":6.28349784837366,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:07","end":"06:59","startHours":6.109268207859258,"endHours":6.980416410431266,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:39","startHours":13.949602031007327,"endHours":14.646520593064933,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:14","end":"17:38","startHours":17.23419484129536,"endHours":17.634194841295358,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:26","end":"17:52","startHours":17.43419484129536,"endHours":17.869768942581363,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:11","end":"18:56","startHours":17.18419484129536,"endHours":18.93419484129536,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:33","startHours":23.85884634483451,"endHours":24.555764906892115,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:59","end":"08:17","startHours":6.980416410431266,"endHours":8.287138714289277,"quality":"inauspicious"},{"name":"Chala","start":"08:17","end":"09:36","startHours":8.287138714289277,"endHours":9.593861018147289,"quality":"neutral"},{"name":"Labha","start":"09:36","end":"10:54","startHours":9.593861018147289,"endHours":10.9005833220053,"quality":"auspicious"},{"name":"Amṛta","start":"10:54","end":"12:12","startHours":10.9005833220053,"endHours":12.207305625863313,"quality":"auspicious"},{"name":"Kāla","start":"12:12","end":"13:31","startHours":12.207305625863313,"endHours":13.514027929721323,"quality":"inauspicious"},{"name":"Śubha","start":"13:31","end":"14:49","startHours":13.514027929721323,"endHours":14.820750233579336,"quality":"auspicious"},{"name":"Roga","start":"14:49","end":"16:08","startHours":14.820750233579336,"endHours":16.12747253743735,"quality":"inauspicious"},{"name":"Udveg","start":"16:08","end":"17:26","startHours":16.12747253743735,"endHours":17.43419484129536,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:26","end":"19:08","startHours":17.43419484129536,"endHours":19.127472537437345,"quality":"auspicious"},{"name":"Roga","start":"19:08","end":"20:49","startHours":19.127472537437345,"endHours":20.820750233579336,"quality":"inauspicious"},{"name":"Udveg","start":"20:49","end":"22:31","startHours":20.820750233579336,"endHours":22.514027929721323,"quality":"inauspicious"},{"name":"Chala","start":"22:31","end":"00:12","startHours":22.514027929721323,"endHours":24.207305625863313,"quality":"neutral"},{"name":"Labha","start":"00:12","end":"01:54","startHours":24.207305625863313,"endHours":25.9005833220053,"quality":"auspicious"},{"name":"Amṛta","start":"01:54","end":"03:36","startHours":25.9005833220053,"endHours":27.593861018147287,"quality":"auspicious"},{"name":"Kāla","start":"03:36","end":"05:17","startHours":27.593861018147287,"endHours":29.287138714289277,"quality":"inauspicious"},{"name":"Śubha","start":"05:17","end":"06:59","startHours":29.287138714289277,"endHours":30.980416410431268,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:59","end":"07:59","startHours":6.980416410431266,"endHours":7.980416410431266,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:59","end":"08:59","startHours":7.980416410431266,"endHours":8.980416410431266,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:59","end":"09:59","startHours":8.980416410431266,"endHours":9.980416410431266,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:59","end":"10:59","startHours":9.980416410431266,"endHours":10.980416410431266,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:59","end":"11:59","startHours":10.980416410431266,"endHours":11.980416410431266,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:59","end":"12:59","startHours":11.980416410431266,"endHours":12.980416410431266,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:59","end":"13:59","startHours":12.980416410431266,"endHours":13.980416410431266,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:59","end":"14:59","startHours":13.980416410431266,"endHours":14.980416410431266,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:59","end":"15:59","startHours":14.980416410431266,"endHours":15.980416410431266,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:59","end":"16:59","startHours":15.980416410431266,"endHours":16.980416410431268,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:59","end":"17:59","startHours":16.980416410431268,"endHours":17.980416410431268,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:59","end":"18:59","startHours":17.980416410431268,"endHours":18.980416410431268,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:59","end":"19:59","startHours":18.980416410431268,"endHours":19.980416410431268,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:59","end":"20:59","startHours":19.980416410431268,"endHours":20.980416410431268,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:59","end":"21:59","startHours":20.980416410431268,"endHours":21.980416410431268,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:59","end":"22:59","startHours":21.980416410431268,"endHours":22.980416410431268,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:59","end":"23:59","startHours":22.980416410431268,"endHours":23.980416410431268,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:59","end":"00:59","startHours":23.980416410431268,"endHours":24.980416410431268,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:59","end":"01:59","startHours":24.980416410431268,"endHours":25.980416410431268,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:59","end":"02:59","startHours":25.980416410431268,"endHours":26.980416410431268,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:59","end":"03:59","startHours":26.980416410431268,"endHours":27.980416410431268,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:59","end":"04:59","startHours":27.980416410431268,"endHours":28.980416410431268,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:59","end":"05:59","startHours":28.980416410431268,"endHours":29.980416410431268,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:59","end":"06:59","startHours":29.980416410431268,"endHours":30.980416410431268,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"North-West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"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":-22.804113125885245,"eotMinutes":6.866862448201248,"ayanamsa":23.8801}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Navamī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"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}],"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":"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 9, 2001 CE · Mathurā · Vidhyamitra","description":"December 9, 2001 CE for Mathurā: Kṛṣṇa Navamī, sūryodaya 06:59, sūryāsta 17:26.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2001-12-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2001-12-09","sa":"https://sa.vidhyamitra.com/city/mathura/2001-12-09","hi":"https://hi.vidhyamitra.com/city/mathura/2001-12-09","x-default":"https://vidhyamitra.com/city/mathura/2001-12-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:13:55.245Z","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":"2026-05-14T12:13:55.245Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:13:55.245Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}