{"id":"vidhyamitra:city-day:mathura:1983-01-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/mathura/1983-01-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1983-01-01","date_display":"January 1, 1983 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":1983,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445335.770833,"kali_year":5084,"ahargana":1856870.2708,"sun":{"sidereal_longitude":256.2366,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":96.5254,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.2888,"elapsed_within_tithi_degrees":8.2888},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":96.5254,"elapsed_within_degrees":3.1921},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.762},"karana":{"half_tithi_index":33,"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":1983,"month":1,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445335.770833,"ahargana":1856870.2708,"kali_year":5084,"ayanamsa_lahiri":23.6155,"grahas":{"sun":{"sidereal_longitude":256.43134899999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":98.63024899999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":1.7168},"mars":{"sidereal_longitude":293.670249,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":276.269949,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":218.31444899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":270.732849,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":188.95824900000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":74.0772,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":254.0772,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"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":1983,"month":1,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445335.770833,"kali_year":5084,"ahargana":1856870.2708,"sun":{"sidereal_longitude":256.2366,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":96.5254,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":200.2888,"elapsed_within_tithi_degrees":8.2888},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":96.5254,"elapsed_within_degrees":3.1921},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":352.762},"karana":{"half_tithi_index":33,"name":"Gara"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.717,"elongation":159.711},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.717,"opposition_distance":20.289}},"eclipse_window_40days":[{"offset_days":-17,"type":"solar","occurs":true,"moon_latitude":1.462,"elongation":2.771},{"offset_days":13,"type":"solar","occurs":true,"moon_latitude":-1.179,"elongation":1.007}]},"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":"07:10","sunsetLocal":"17:36","solarNoonLocal":"12:23","dayLengthHours":10.43298166367276,"dayLengthDisplay":"10 Hours 25 Mins 59 Secs","nightLengthDisplay":"13 Hours 34 Mins 01 Secs","moonriseLocal":"19:06","moonsetLocal":"08:38","rahuKala":{"name":"Rāhu Kāla","start":"09:47","end":"11:05","startHours":9.775260889471744,"endHours":11.079383597430839,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:41","end":"15:00","startHours":13.687629013349028,"endHours":14.991751721308123,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:10","end":"08:28","startHours":7.167015473553554,"endHours":8.471138181512648,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.601377861743863,"endHours":9.949143917199622,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:36","end":"07:53","startHours":7.601723042873252,"endHours":7.879935887237859,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:44","startHours":12.035740249934175,"endHours":12.731272360845693,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:47","end":"06:28","startHours":5.775951251730519,"endHours":6.4714833626420365,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:10","startHours":6.297600334914157,"endHours":7.167015473553554,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:49","startHours":14.122336582668726,"endHours":14.817868693580243,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.399997137226315,"endHours":17.799997137226313,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:02","startHours":17.599997137226314,"endHours":18.034704706546012,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.349997137226314,"endHours":19.099997137226314,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:44","startHours":24.03574024993418,"endHours":24.731272360845693,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:10","end":"08:28","startHours":7.167015473553554,"endHours":8.471138181512648,"quality":"inauspicious"},{"name":"Śubha","start":"08:28","end":"09:47","startHours":8.471138181512648,"endHours":9.775260889471744,"quality":"auspicious"},{"name":"Roga","start":"09:47","end":"11:05","startHours":9.775260889471744,"endHours":11.079383597430839,"quality":"inauspicious"},{"name":"Udveg","start":"11:05","end":"12:23","startHours":11.079383597430839,"endHours":12.383506305389933,"quality":"inauspicious"},{"name":"Chala","start":"12:23","end":"13:41","startHours":12.383506305389933,"endHours":13.687629013349028,"quality":"neutral"},{"name":"Labha","start":"13:41","end":"15:00","startHours":13.687629013349028,"endHours":14.991751721308123,"quality":"auspicious"},{"name":"Amṛta","start":"15:00","end":"16:18","startHours":14.991751721308123,"endHours":16.29587442926722,"quality":"auspicious"},{"name":"Kāla","start":"16:18","end":"17:36","startHours":16.29587442926722,"endHours":17.599997137226314,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:36","end":"19:18","startHours":17.599997137226314,"endHours":19.29587442926722,"quality":"auspicious"},{"name":"Amṛta","start":"19:18","end":"21:00","startHours":19.29587442926722,"endHours":20.991751721308123,"quality":"auspicious"},{"name":"Kāla","start":"21:00","end":"22:41","startHours":20.991751721308123,"endHours":22.68762901334903,"quality":"inauspicious"},{"name":"Śubha","start":"22:41","end":"00:23","startHours":22.68762901334903,"endHours":24.383506305389936,"quality":"auspicious"},{"name":"Roga","start":"00:23","end":"02:05","startHours":24.383506305389936,"endHours":26.07938359743084,"quality":"inauspicious"},{"name":"Udveg","start":"02:05","end":"03:47","startHours":26.07938359743084,"endHours":27.775260889471745,"quality":"inauspicious"},{"name":"Chala","start":"03:47","end":"05:28","startHours":27.775260889471745,"endHours":29.47113818151265,"quality":"neutral"},{"name":"Labha","start":"05:28","end":"07:10","startHours":29.47113818151265,"endHours":31.167015473553555,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:10","end":"08:10","startHours":7.167015473553554,"endHours":8.167015473553555,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:10","end":"09:10","startHours":8.167015473553555,"endHours":9.167015473553555,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:10","end":"10:10","startHours":9.167015473553555,"endHours":10.167015473553555,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:10","end":"11:10","startHours":10.167015473553555,"endHours":11.167015473553555,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:10","end":"12:10","startHours":11.167015473553555,"endHours":12.167015473553555,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:10","end":"13:10","startHours":12.167015473553555,"endHours":13.167015473553555,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:10","end":"14:10","startHours":13.167015473553555,"endHours":14.167015473553555,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:10","end":"15:10","startHours":14.167015473553555,"endHours":15.167015473553555,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:10","end":"16:10","startHours":15.167015473553555,"endHours":16.167015473553555,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:10","end":"17:10","startHours":16.167015473553555,"endHours":17.167015473553555,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:10","end":"18:10","startHours":17.167015473553555,"endHours":18.167015473553555,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:10","end":"19:10","startHours":18.167015473553555,"endHours":19.167015473553555,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:10","end":"20:10","startHours":19.167015473553555,"endHours":20.167015473553555,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:10","end":"21:10","startHours":20.167015473553555,"endHours":21.167015473553555,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:10","end":"22:10","startHours":21.167015473553555,"endHours":22.167015473553555,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:10","end":"23:10","startHours":22.167015473553555,"endHours":23.167015473553555,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:10","end":"00:10","startHours":23.167015473553555,"endHours":24.167015473553555,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:10","end":"01:10","startHours":24.167015473553555,"endHours":25.167015473553555,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:10","end":"02:10","startHours":25.167015473553555,"endHours":26.167015473553555,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:10","end":"03:10","startHours":26.167015473553555,"endHours":27.167015473553555,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:10","end":"04:10","startHours":27.167015473553555,"endHours":28.167015473553555,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:10","end":"05:10","startHours":28.167015473553555,"endHours":29.167015473553555,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:10","end":"06:10","startHours":29.167015473553555,"endHours":30.167015473553555,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:10","end":"07:10","startHours":30.167015473553555,"endHours":31.167015473553555,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.056173042228963,"eotMinutes":-3.705178323396069,"ayanamsa":23.6155}},"calendars":{"vikram_samvat":2040,"vikram_samvatsara":"Dhātṛ","saka_samvat":1905,"saka_samvatsara":"Rudhirodgāri","bengali_samvat":1390,"malayalam_era":1159,"nanakshahi_year":514,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Dvitīyā · Vikram 2040 Dhātṛ · Śaka 1905 Rudhirodgāri"},"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":"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 January 1, 1983 CE · Mathurā · Vidhyamitra","description":"January 1, 1983 CE for Mathurā: Kṛṣṇa Dvitīyā, sūryodaya 07:10, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/mathura/1983-01-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/mathura/1983-01-01","sa":"https://sa.vidhyamitra.com/city/mathura/1983-01-01","hi":"https://hi.vidhyamitra.com/city/mathura/1983-01-01","x-default":"https://vidhyamitra.com/city/mathura/1983-01-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T11:01:48.969Z","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":"2026-05-14T11:01:48.969Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T11:01:48.969Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}