{"id":"vidhyamitra:city-day:mathura:2018-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/2018-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2018-12-01","date_display":"December 1, 2018 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":2018,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458453.770833,"kali_year":5120,"ahargana":1869988.2708,"sun":{"sidereal_longitude":224.1171,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":146.1911,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.0741,"elapsed_within_tithi_degrees":6.0741},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.1911,"elapsed_within_degrees":12.8578},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.3082},"karana":{"half_tithi_index":47,"name":"Gara"},"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":2018,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458453.770833,"ahargana":1869988.2708,"kali_year":5120,"ayanamsa_lahiri":24.1172,"grahas":{"sun":{"sidereal_longitude":224.66544499999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":147.971745,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":3.2985},"mars":{"sidereal_longitude":315.09404500000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":216.06744500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":220.83814499999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":184.74044500000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":253.604645,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":99.0224,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":279.0224,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":2018,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458453.770833,"kali_year":5120,"ahargana":1869988.2708,"sun":{"sidereal_longitude":224.1171,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":146.1911,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":282.0741,"elapsed_within_tithi_degrees":6.0741},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4,"moon_longitude":146.1911,"elapsed_within_degrees":12.8578},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":10.3082},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.299,"elongation":77.926},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.299,"opposition_distance":102.074}},"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":"06:53","sunsetLocal":"17:25","solarNoonLocal":"12:09","dayLengthHours":10.538768194207556,"dayLengthDisplay":"10 Hours 32 Mins 20 Secs","nightLengthDisplay":"13 Hours 27 Mins 40 Secs","moonriseLocal":"00:53","moonsetLocal":"13:12","rahuKala":{"name":"Rāhu Kāla","start":"09:31","end":"10:50","startHours":9.51821044144144,"endHours":10.835556465717383,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:28","end":"14:47","startHours":13.470248514269272,"endHours":14.787594538545218,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:53","end":"08:12","startHours":6.88351839288955,"endHours":8.200864417165494,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:42","startHours":9.342564304871313,"endHours":9.693856578011564,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:19","end":"07:36","startHours":7.322633734314865,"endHours":7.6036675528270665,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:30","startHours":11.801610216853074,"endHours":12.50419476313358,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:29","end":"06:11","startHours":5.478349300328542,"endHours":6.180933846609046,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:00","end":"06:53","startHours":6.00528771003892,"endHours":6.88351839288955,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:55","end":"14:37","startHours":13.909363855694586,"endHours":14.61194840197509,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.222286587097106,"endHours":17.622286587097104,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:52","startHours":17.422286587097105,"endHours":17.86140192852242,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.172286587097105,"endHours":18.922286587097105,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:30","startHours":23.801610216853074,"endHours":24.50419476313358,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"06:53","end":"08:12","startHours":6.88351839288955,"endHours":8.200864417165494,"quality":"inauspicious"},{"name":"Śubha","start":"08:12","end":"09:31","startHours":8.200864417165494,"endHours":9.51821044144144,"quality":"auspicious"},{"name":"Roga","start":"09:31","end":"10:50","startHours":9.51821044144144,"endHours":10.835556465717383,"quality":"inauspicious"},{"name":"Udveg","start":"10:50","end":"12:09","startHours":10.835556465717383,"endHours":12.152902489993327,"quality":"inauspicious"},{"name":"Chala","start":"12:09","end":"13:28","startHours":12.152902489993327,"endHours":13.470248514269272,"quality":"neutral"},{"name":"Labha","start":"13:28","end":"14:47","startHours":13.470248514269272,"endHours":14.787594538545218,"quality":"auspicious"},{"name":"Amṛta","start":"14:47","end":"16:06","startHours":14.787594538545218,"endHours":16.10494056282116,"quality":"auspicious"},{"name":"Kāla","start":"16:06","end":"17:25","startHours":16.10494056282116,"endHours":17.422286587097105,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:25","end":"19:06","startHours":17.422286587097105,"endHours":19.10494056282116,"quality":"auspicious"},{"name":"Amṛta","start":"19:06","end":"20:47","startHours":19.10494056282116,"endHours":20.787594538545214,"quality":"auspicious"},{"name":"Kāla","start":"20:47","end":"22:28","startHours":20.787594538545214,"endHours":22.470248514269272,"quality":"inauspicious"},{"name":"Śubha","start":"22:28","end":"00:09","startHours":22.470248514269272,"endHours":24.152902489993327,"quality":"auspicious"},{"name":"Roga","start":"00:09","end":"01:50","startHours":24.152902489993327,"endHours":25.83555646571738,"quality":"inauspicious"},{"name":"Udveg","start":"01:50","end":"03:31","startHours":25.83555646571738,"endHours":27.51821044144144,"quality":"inauspicious"},{"name":"Chala","start":"03:31","end":"05:12","startHours":27.51821044144144,"endHours":29.200864417165494,"quality":"neutral"},{"name":"Labha","start":"05:12","end":"06:53","startHours":29.200864417165494,"endHours":30.88351839288955,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:53","end":"07:53","startHours":6.88351839288955,"endHours":7.88351839288955,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"07:53","end":"08:53","startHours":7.88351839288955,"endHours":8.883518392889549,"planetary_lord":"Moon"},{"name":"Hora 3","start":"08:53","end":"09:53","startHours":8.883518392889549,"endHours":9.883518392889549,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"09:53","end":"10:53","startHours":9.883518392889549,"endHours":10.883518392889549,"planetary_lord":"Venus"},{"name":"Hora 5","start":"10:53","end":"11:53","startHours":10.883518392889549,"endHours":11.883518392889549,"planetary_lord":"Sun"},{"name":"Hora 6","start":"11:53","end":"12:53","startHours":11.883518392889549,"endHours":12.883518392889549,"planetary_lord":"Mars"},{"name":"Hora 7","start":"12:53","end":"13:53","startHours":12.883518392889549,"endHours":13.883518392889549,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"13:53","end":"14:53","startHours":13.883518392889549,"endHours":14.883518392889549,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"14:53","end":"15:53","startHours":14.883518392889549,"endHours":15.883518392889549,"planetary_lord":"Moon"},{"name":"Hora 10","start":"15:53","end":"16:53","startHours":15.883518392889549,"endHours":16.88351839288955,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"16:53","end":"17:53","startHours":16.88351839288955,"endHours":17.88351839288955,"planetary_lord":"Venus"},{"name":"Hora 12","start":"17:53","end":"18:53","startHours":17.88351839288955,"endHours":18.88351839288955,"planetary_lord":"Sun"},{"name":"Hora 13","start":"18:53","end":"19:53","startHours":18.88351839288955,"endHours":19.88351839288955,"planetary_lord":"Mars"},{"name":"Hora 14","start":"19:53","end":"20:53","startHours":19.88351839288955,"endHours":20.88351839288955,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"20:53","end":"21:53","startHours":20.88351839288955,"endHours":21.88351839288955,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"21:53","end":"22:53","startHours":21.88351839288955,"endHours":22.88351839288955,"planetary_lord":"Moon"},{"name":"Hora 17","start":"22:53","end":"23:53","startHours":22.88351839288955,"endHours":23.88351839288955,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"23:53","end":"00:53","startHours":23.88351839288955,"endHours":24.88351839288955,"planetary_lord":"Venus"},{"name":"Hora 19","start":"00:53","end":"01:53","startHours":24.88351839288955,"endHours":25.88351839288955,"planetary_lord":"Sun"},{"name":"Hora 20","start":"01:53","end":"02:53","startHours":25.88351839288955,"endHours":26.88351839288955,"planetary_lord":"Mars"},{"name":"Hora 21","start":"02:53","end":"03:53","startHours":26.88351839288955,"endHours":27.88351839288955,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"03:53","end":"04:53","startHours":27.88351839288955,"endHours":28.88351839288955,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"04:53","end":"05:53","startHours":28.88351839288955,"endHours":29.88351839288955,"planetary_lord":"Moon"},{"name":"Hora 24","start":"05:53","end":"06:53","startHours":29.88351839288955,"endHours":30.88351839288955,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":-21.763227557644434,"eotMinutes":10.131050600400467,"ayanamsa":24.1172}},"calendars":{"vikram_samvat":2075,"vikram_samvatsara":"Virodhakṛt","saka_samvat":1940,"saka_samvatsara":"Vilambī","bengali_samvat":1425,"malayalam_era":1194,"nanakshahi_year":549,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Navamī · Vikram 2075 Virodhakṛt · Śaka 1940 Vilambī"},"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":"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":"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 1, 2018 CE · Mathurā · Vidhyamitra","description":"December 1, 2018 CE for Mathurā: Kṛṣṇa Navamī, sūryodaya 06:53, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/2018-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/2018-12-01","sa":"https://sa.vidhyamitra.com/city/mathura/2018-12-01","hi":"https://hi.vidhyamitra.com/city/mathura/2018-12-01","x-default":"https://vidhyamitra.com/city/mathura/2018-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:26:29.697Z","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":"2026-05-14T16:26:29.697Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:26:29.697Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}