{"id":"vidhyamitra:city-day:vrindavan:1982-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1982-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1982-12-13","date_display":"December 13, 1982 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":1982,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445316.770833,"kali_year":5084,"ahargana":1856851.2708,"sun":{"sidereal_longitude":236.7203,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":210.2187,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.4984,"elapsed_within_tithi_degrees":9.4984},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.2187,"elapsed_within_degrees":10.2187},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.939},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":1982,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2445316.770833,"ahargana":1856851.2708,"kali_year":5084,"ayanamsa_lahiri":23.6148,"grahas":{"sun":{"sidereal_longitude":237.08277399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":211.111674,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":3.1728},"mars":{"sidereal_longitude":278.812274,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":250.102574,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":214.420074,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":246.88897399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":187.40157399999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":75.0839,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":255.0839,"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":1982,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2445316.770833,"kali_year":5084,"ahargana":1856851.2708,"sun":{"sidereal_longitude":236.7203,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":210.2187,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.4984,"elapsed_within_tithi_degrees":9.4984},"nakshatra":{"number":16,"name":"Viśākhā","pada":4,"moon_longitude":210.2187,"elapsed_within_degrees":10.2187},"yoga":{"number":7,"name":"Sukarma","sum_longitude":86.939},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.173,"elongation":26.502},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.173,"opposition_distance":153.498}},"eclipse_window_40days":[{"offset_days":2,"type":"solar","occurs":true,"moon_latitude":1.462,"elongation":2.771}]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"07:02","sunsetLocal":"17:27","solarNoonLocal":"12:14","dayLengthHours":10.423232999793266,"dayLengthDisplay":"10 Hours 25 Mins 24 Secs","nightLengthDisplay":"13 Hours 34 Mins 36 Secs","moonriseLocal":"05:09","moonsetLocal":"15:52","rahuKala":{"name":"Rāhu Kāla","start":"08:20","end":"09:38","startHours":8.329156787587225,"endHours":9.632060912561382,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:56","end":"12:14","startHours":10.934965037535541,"endHours":12.2378691625097,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:32","end":"14:51","startHours":13.540773287483857,"endHours":14.843677412458016,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:28","end":"09:48","startHours":9.458340362564828,"endHours":9.805781462557936,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:44","startHours":7.460554037604452,"endHours":7.738506917598939,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:35","startHours":11.89042806251659,"endHours":12.585310262502807,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:38","end":"06:20","startHours":5.636488262640631,"endHours":6.3313704626268485,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:09","end":"07:02","startHours":6.157649912630294,"endHours":7.026252662613066,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:40","startHours":13.975074662475244,"endHours":14.669956862461461,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.249485662406332,"endHours":17.64948566240633,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:53","startHours":17.44948566240633,"endHours":17.883787037397717,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.19948566240633,"endHours":18.94948566240633,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:35","startHours":23.890428062516587,"endHours":24.585310262502805,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:02","end":"08:20","startHours":7.026252662613066,"endHours":8.329156787587225,"quality":"auspicious"},{"name":"Kāla","start":"08:20","end":"09:38","startHours":8.329156787587225,"endHours":9.632060912561382,"quality":"inauspicious"},{"name":"Śubha","start":"09:38","end":"10:56","startHours":9.632060912561382,"endHours":10.934965037535541,"quality":"auspicious"},{"name":"Roga","start":"10:56","end":"12:14","startHours":10.934965037535541,"endHours":12.2378691625097,"quality":"inauspicious"},{"name":"Udveg","start":"12:14","end":"13:32","startHours":12.2378691625097,"endHours":13.540773287483857,"quality":"inauspicious"},{"name":"Chala","start":"13:32","end":"14:51","startHours":13.540773287483857,"endHours":14.843677412458016,"quality":"neutral"},{"name":"Labha","start":"14:51","end":"16:09","startHours":14.843677412458016,"endHours":16.146581537432173,"quality":"auspicious"},{"name":"Amṛta","start":"16:09","end":"17:27","startHours":16.146581537432173,"endHours":17.44948566240633,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:27","end":"19:09","startHours":17.44948566240633,"endHours":19.146581537432173,"quality":"neutral"},{"name":"Labha","start":"19:09","end":"20:51","startHours":19.146581537432173,"endHours":20.843677412458014,"quality":"auspicious"},{"name":"Amṛta","start":"20:51","end":"22:32","startHours":20.843677412458014,"endHours":22.54077328748386,"quality":"auspicious"},{"name":"Kāla","start":"22:32","end":"00:14","startHours":22.54077328748386,"endHours":24.2378691625097,"quality":"inauspicious"},{"name":"Śubha","start":"00:14","end":"01:56","startHours":24.2378691625097,"endHours":25.93496503753554,"quality":"auspicious"},{"name":"Roga","start":"01:56","end":"03:38","startHours":25.93496503753554,"endHours":27.632060912561382,"quality":"inauspicious"},{"name":"Udveg","start":"03:38","end":"05:20","startHours":27.632060912561382,"endHours":29.329156787587223,"quality":"inauspicious"},{"name":"Chala","start":"05:20","end":"07:02","startHours":29.329156787587223,"endHours":31.026252662613068,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:02","end":"08:02","startHours":7.026252662613066,"endHours":8.026252662613066,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:02","end":"09:02","startHours":8.026252662613066,"endHours":9.026252662613066,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:02","end":"10:02","startHours":9.026252662613066,"endHours":10.026252662613066,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:02","end":"11:02","startHours":10.026252662613066,"endHours":11.026252662613066,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:02","end":"12:02","startHours":11.026252662613066,"endHours":12.026252662613066,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:02","end":"13:02","startHours":12.026252662613066,"endHours":13.026252662613066,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:02","end":"14:02","startHours":13.026252662613066,"endHours":14.026252662613066,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:02","end":"15:02","startHours":14.026252662613066,"endHours":15.026252662613066,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:02","end":"16:02","startHours":15.026252662613066,"endHours":16.026252662613068,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:02","end":"17:02","startHours":16.026252662613068,"endHours":17.026252662613068,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:02","end":"18:02","startHours":17.026252662613068,"endHours":18.026252662613068,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:02","end":"19:02","startHours":18.026252662613068,"endHours":19.026252662613068,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:02","end":"20:02","startHours":19.026252662613068,"endHours":20.026252662613068,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:02","end":"21:02","startHours":20.026252662613068,"endHours":21.026252662613068,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:02","end":"22:02","startHours":21.026252662613068,"endHours":22.026252662613068,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:02","end":"23:02","startHours":22.026252662613068,"endHours":23.026252662613068,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:02","end":"00:02","startHours":23.026252662613068,"endHours":24.026252662613068,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:02","end":"01:02","startHours":24.026252662613068,"endHours":25.026252662613068,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:02","end":"02:02","startHours":25.026252662613068,"endHours":26.026252662613068,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:02","end":"03:02","startHours":26.026252662613068,"endHours":27.026252662613068,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:02","end":"04:02","startHours":27.026252662613068,"endHours":28.026252662613068,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:02","end":"05:02","startHours":28.026252662613068,"endHours":29.026252662613068,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:02","end":"06:02","startHours":29.026252662613068,"endHours":30.026252662613068,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:02","end":"07:02","startHours":30.026252662613068,"endHours":31.026252662613068,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":-23.11026047150711,"eotMinutes":5.090650249418121,"ayanamsa":23.6148}},"calendars":{"vikram_samvat":2039,"vikram_samvatsara":"Yuva","saka_samvat":1904,"saka_samvatsara":"Dundubhi","bengali_samvat":1389,"malayalam_era":1158,"nanakshahi_year":513,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Trayodaśī · Vikram 2039 Yuva · Śaka 1904 Dundubhi"},"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},{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Viśākhā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vrindavan"},"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, 1982 CE · Vṛndāvana · Vidhyamitra","description":"December 13, 1982 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 07:02, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1982-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1982-12-13","sa":"https://sa.vidhyamitra.com/city/vrindavan/1982-12-13","hi":"https://hi.vidhyamitra.com/city/vrindavan/1982-12-13","x-default":"https://vidhyamitra.com/city/vrindavan/1982-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T21:57:15.944Z","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":"2026-05-18T21:57:15.944Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T21:57:15.944Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}