{"id":"vidhyamitra:city-day:badrinath:2001-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/badrinath/2001-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-12-18","date_display":"December 18, 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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452261.770833,"kali_year":5103,"ahargana":1863796.2708,"sun":{"sidereal_longitude":241.9362,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":281.4316,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.4954,"elapsed_within_tithi_degrees":3.4954},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":281.4316,"elapsed_within_degrees":1.4316},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.3678},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452261.770833,"ahargana":1863796.2708,"kali_year":5103,"ayanamsa_lahiri":23.8804,"grahas":{"sun":{"sidereal_longitude":242.30022399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":279.3325239999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.5359},"mars":{"sidereal_longitude":312.787924,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":249.63692400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":78.53132399999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":235.725324,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":46.330423999999994,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":67.1044,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":247.1044,"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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452261.770833,"kali_year":5103,"ahargana":1863796.2708,"sun":{"sidereal_longitude":241.9362,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":281.4316,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":39.4954,"elapsed_within_tithi_degrees":3.4954},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":281.4316,"elapsed_within_degrees":1.4316},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":163.3678},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.536,"elongation":39.495},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.536,"opposition_distance":140.505}},"eclipse_window_40days":[]},"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"tier2":{"city":{"slug":"badrinath","name":"Badarīnāth","lat":30.7433,"lon":79.4938,"tz_offset_hours":5.5,"state":"Uttarakhand","country":"IN","tier":"tirtha","elevation_m":3133},"sunriseLocal":"07:04","sunsetLocal":"17:14","solarNoonLocal":"12:09","dayLengthHours":10.158488870408547,"dayLengthDisplay":"10 Hours 09 Mins 31 Secs","nightLengthDisplay":"13 Hours 50 Mins 29 Secs","moonriseLocal":"09:23","moonsetLocal":"19:52","rahuKala":{"name":"Rāhu Kāla","start":"14:42","end":"15:58","startHours":14.69357342846645,"endHours":15.963384537267519,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:37","end":"10:53","startHours":9.614328993262177,"endHours":10.884140102063245,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:09","end":"13:25","startHours":12.153951210864314,"endHours":13.423762319665382,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:27","end":"09:47","startHours":9.445020845422034,"endHours":9.783637141102318,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:46","startHours":7.497977145260395,"endHours":7.7688701818046235,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:30","startHours":11.815334915184028,"endHours":12.4925675065446,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:43","end":"06:24","startHours":5.7202415929388994,"endHours":6.39747418429947,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:14","end":"07:04","startHours":6.228166036459327,"endHours":7.074706775660039,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:51","end":"14:31","startHours":13.847032689265738,"endHours":14.524265280626308,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:02","end":"17:26","startHours":17.033195646068588,"endHours":17.433195646068587,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:14","end":"17:39","startHours":17.233195646068587,"endHours":17.656466015668943,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:59","end":"18:44","startHours":16.983195646068587,"endHours":18.733195646068587,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:30","startHours":23.815334915184028,"endHours":24.4925675065446,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"07:04","end":"08:21","startHours":7.074706775660039,"endHours":8.344517884461109,"quality":"inauspicious"},{"name":"Udveg","start":"08:21","end":"09:37","startHours":8.344517884461109,"endHours":9.614328993262177,"quality":"inauspicious"},{"name":"Chala","start":"09:37","end":"10:53","startHours":9.614328993262177,"endHours":10.884140102063245,"quality":"neutral"},{"name":"Labha","start":"10:53","end":"12:09","startHours":10.884140102063245,"endHours":12.153951210864314,"quality":"auspicious"},{"name":"Amṛta","start":"12:09","end":"13:25","startHours":12.153951210864314,"endHours":13.423762319665382,"quality":"auspicious"},{"name":"Kāla","start":"13:25","end":"14:42","startHours":13.423762319665382,"endHours":14.69357342846645,"quality":"inauspicious"},{"name":"Śubha","start":"14:42","end":"15:58","startHours":14.69357342846645,"endHours":15.963384537267519,"quality":"auspicious"},{"name":"Roga","start":"15:58","end":"17:14","startHours":15.963384537267519,"endHours":17.233195646068587,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:14","end":"18:58","startHours":17.233195646068587,"endHours":18.96338453726752,"quality":"inauspicious"},{"name":"Śubha","start":"18:58","end":"20:42","startHours":18.96338453726752,"endHours":20.69357342846645,"quality":"auspicious"},{"name":"Roga","start":"20:42","end":"22:25","startHours":20.69357342846645,"endHours":22.423762319665382,"quality":"inauspicious"},{"name":"Udveg","start":"22:25","end":"00:09","startHours":22.423762319665382,"endHours":24.153951210864314,"quality":"inauspicious"},{"name":"Chala","start":"00:09","end":"01:53","startHours":24.153951210864314,"endHours":25.884140102063245,"quality":"neutral"},{"name":"Labha","start":"01:53","end":"03:37","startHours":25.884140102063245,"endHours":27.614328993262177,"quality":"auspicious"},{"name":"Amṛta","start":"03:37","end":"05:21","startHours":27.614328993262177,"endHours":29.34451788446111,"quality":"auspicious"},{"name":"Kāla","start":"05:21","end":"07:04","startHours":29.34451788446111,"endHours":31.07470677566004,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.074706775660039,"endHours":8.07470677566004,"planetary_lord":"Mars"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.07470677566004,"endHours":9.07470677566004,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.07470677566004,"endHours":10.07470677566004,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.07470677566004,"endHours":11.07470677566004,"planetary_lord":"Moon"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.07470677566004,"endHours":12.07470677566004,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.07470677566004,"endHours":13.07470677566004,"planetary_lord":"Venus"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.07470677566004,"endHours":14.07470677566004,"planetary_lord":"Sun"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.07470677566004,"endHours":15.07470677566004,"planetary_lord":"Mars"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.07470677566004,"endHours":16.07470677566004,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.07470677566004,"endHours":17.07470677566004,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.07470677566004,"endHours":18.07470677566004,"planetary_lord":"Moon"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.07470677566004,"endHours":19.07470677566004,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.07470677566004,"endHours":20.07470677566004,"planetary_lord":"Venus"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.07470677566004,"endHours":21.07470677566004,"planetary_lord":"Sun"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.07470677566004,"endHours":22.07470677566004,"planetary_lord":"Mars"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.07470677566004,"endHours":23.07470677566004,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.07470677566004,"endHours":24.07470677566004,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.07470677566004,"endHours":25.07470677566004,"planetary_lord":"Moon"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.07470677566004,"endHours":26.07470677566004,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.07470677566004,"endHours":27.07470677566004,"planetary_lord":"Venus"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.07470677566004,"endHours":28.07470677566004,"planetary_lord":"Sun"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.07470677566004,"endHours":29.07470677566004,"planetary_lord":"Mars"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.07470677566004,"endHours":30.07470677566004,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.07470677566004,"endHours":31.07470677566004,"planetary_lord":"Saturn"}],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.38134751008021,"eotMinutes":2.787727348141232,"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":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"angarika-chaturthi","name":"Aṅgāraka Caturthī (Tuesday Caturthī)","name_sanskrit":"अङ्गारक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa + Maṅgala","significance":"Tuesday-Caturthī (rare); supremely auspicious for Maṅgala-doṣa-nivāraṇa.","vrata":true,"detection":{"any_of":[{"tithi_number":4,"vara_name":"Maṅgalavāra (Tuesday)"},{"tithi_number":19,"vara_name":"Maṅgalavāra (Tuesday)"}]},"precedence":3},{"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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"badrinath"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 18, 2001 CE · Badarīnāth · Vidhyamitra","description":"December 18, 2001 CE for Badarīnāth: Śukla Caturthī, sūryodaya 07:04, sūryāsta 17:14.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/badrinath/2001-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/badrinath/2001-12-18","sa":"https://sa.vidhyamitra.com/city/badrinath/2001-12-18","hi":"https://hi.vidhyamitra.com/city/badrinath/2001-12-18","x-default":"https://vidhyamitra.com/city/badrinath/2001-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T19:56:38.417Z","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":"2026-06-01T19:56:38.417Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T19:56:38.417Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}