{"id":"vidhyamitra:city-day:dhanbad:2017-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dhanbad/2017-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-12-13","date_display":"December 13, 2017 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":2017,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458100.770833,"kali_year":5119,"ahargana":1869635.2708,"sun":{"sidereal_longitude":236.6624,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":176.3423,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":299.6799,"elapsed_within_tithi_degrees":11.6799},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":176.3423,"elapsed_within_degrees":3.0089},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":53.0046},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458100.770833,"ahargana":1869635.2708,"kali_year":5119,"ayanamsa_lahiri":24.1037,"grahas":{"sun":{"sidereal_longitude":237.10823200000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":179.17873199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false,"latitude":3.8406},"mars":{"sidereal_longitude":187.89533200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":236.95503199999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":199.12913200000003,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":230.33433200000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":244.90293199999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":117.726,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":297.726,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","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":2017,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458100.770833,"kali_year":5119,"ahargana":1869635.2708,"sun":{"sidereal_longitude":236.6624,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":176.3423,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":299.6799,"elapsed_within_tithi_degrees":11.6799},"nakshatra":{"number":14,"name":"Citrā","pada":1,"moon_longitude":176.3423,"elapsed_within_degrees":3.0089},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":53.0046},"karana":{"half_tithi_index":49,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.841,"elongation":60.32},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.841,"opposition_distance":119.68}},"eclipse_window_40days":[]},"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:19","sunsetLocal":"17:00","solarNoonLocal":"11:39","dayLengthHours":10.685509320209434,"dayLengthDisplay":"10 Hours 41 Mins 08 Secs","nightLengthDisplay":"13 Hours 18 Mins 52 Secs","moonriseLocal":"02:01","moonsetLocal":"13:34","rahuKala":{"name":"Rāhu Kāla","start":"11:39","end":"12:59","startHours":11.653129162509696,"endHours":12.988817827535875,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:39","end":"08:59","startHours":7.646063167431158,"endHours":8.981751832457338,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:19","end":"11:39","startHours":10.317440497483517,"endHours":11.653129162509696,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:10","startHours":8.803660010453846,"endHours":9.159843654460827,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:02","startHours":6.755604057413705,"endHours":7.04055097261929,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:18","end":"12:01","startHours":11.296945518502715,"endHours":12.009312806516677,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:53","end":"05:36","startHours":4.8856399263770545,"endHours":5.598007214391016,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:25","end":"06:19","startHours":5.419915392387526,"endHours":6.310374502404978,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:26","end":"14:09","startHours":13.434047382544602,"endHours":14.146414670558563,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"16:48","end":"17:12","startHours":16.795883822614414,"endHours":17.195883822614412,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:00","end":"17:26","startHours":16.995883822614413,"endHours":17.44111337762314,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:45","end":"18:30","startHours":16.745883822614413,"endHours":18.495883822614413,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:18","end":"00:01","startHours":23.296945518502714,"endHours":24.00931280651668,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:19","end":"07:39","startHours":6.310374502404978,"endHours":7.646063167431158,"quality":"auspicious"},{"name":"Amṛta","start":"07:39","end":"08:59","startHours":7.646063167431158,"endHours":8.981751832457338,"quality":"auspicious"},{"name":"Kāla","start":"08:59","end":"10:19","startHours":8.981751832457338,"endHours":10.317440497483517,"quality":"inauspicious"},{"name":"Śubha","start":"10:19","end":"11:39","startHours":10.317440497483517,"endHours":11.653129162509696,"quality":"auspicious"},{"name":"Roga","start":"11:39","end":"12:59","startHours":11.653129162509696,"endHours":12.988817827535875,"quality":"inauspicious"},{"name":"Udveg","start":"12:59","end":"14:19","startHours":12.988817827535875,"endHours":14.324506492562055,"quality":"inauspicious"},{"name":"Chala","start":"14:19","end":"15:40","startHours":14.324506492562055,"endHours":15.660195157588234,"quality":"neutral"},{"name":"Labha","start":"15:40","end":"17:00","startHours":15.660195157588234,"endHours":16.995883822614413,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:00","end":"18:40","startHours":16.995883822614413,"endHours":18.660195157588234,"quality":"inauspicious"},{"name":"Chala","start":"18:40","end":"20:19","startHours":18.660195157588234,"endHours":20.324506492562055,"quality":"neutral"},{"name":"Labha","start":"20:19","end":"21:59","startHours":20.324506492562055,"endHours":21.988817827535875,"quality":"auspicious"},{"name":"Amṛta","start":"21:59","end":"23:39","startHours":21.988817827535875,"endHours":23.653129162509696,"quality":"auspicious"},{"name":"Kāla","start":"23:39","end":"01:19","startHours":23.653129162509696,"endHours":25.317440497483517,"quality":"inauspicious"},{"name":"Śubha","start":"01:19","end":"02:59","startHours":25.317440497483517,"endHours":26.981751832457338,"quality":"auspicious"},{"name":"Roga","start":"02:59","end":"04:39","startHours":26.981751832457338,"endHours":28.64606316743116,"quality":"inauspicious"},{"name":"Udveg","start":"04:39","end":"06:19","startHours":28.64606316743116,"endHours":30.31037450240498,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.310374502404978,"endHours":7.310374502404978,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.310374502404978,"endHours":8.31037450240498,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.31037450240498,"endHours":9.31037450240498,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.31037450240498,"endHours":10.31037450240498,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.31037450240498,"endHours":11.31037450240498,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.31037450240498,"endHours":12.31037450240498,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.31037450240498,"endHours":13.31037450240498,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.31037450240498,"endHours":14.31037450240498,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.31037450240498,"endHours":15.31037450240498,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.31037450240498,"endHours":16.31037450240498,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.31037450240498,"endHours":17.31037450240498,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.31037450240498,"endHours":18.31037450240498,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.31037450240498,"endHours":19.31037450240498,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.31037450240498,"endHours":20.31037450240498,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.31037450240498,"endHours":21.31037450240498,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.31037450240498,"endHours":22.31037450240498,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.31037450240498,"endHours":23.31037450240498,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.31037450240498,"endHours":24.31037450240498,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.31037450240498,"endHours":25.31037450240498,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.31037450240498,"endHours":26.31037450240498,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.31037450240498,"endHours":27.31037450240498,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.31037450240498,"endHours":28.31037450240498,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.31037450240498,"endHours":29.31037450240498,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.31037450240498,"endHours":30.31037450240498,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Cara","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":-23.145233531134,"eotMinutes":5.090650249418121,"ayanamsa":24.1037}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Daśamī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"dhanbad"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 13, 2017 CE · Dhanbad, Jharkhand · Vidhyamitra","description":"December 13, 2017 CE for Dhanbad, Jharkhand: Kṛṣṇa Daśamī, sūryodaya 06:19, sūryāsta 17:00.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dhanbad/2017-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dhanbad/2017-12-13","sa":"https://sa.vidhyamitra.com/city/dhanbad/2017-12-13","hi":"https://hi.vidhyamitra.com/city/dhanbad/2017-12-13","x-default":"https://vidhyamitra.com/city/dhanbad/2017-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T13:56:39.461Z","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":"2026-05-15T13:56:39.461Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T13:56:39.461Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}