{"id":"vidhyamitra:city-day:sringeri:1981-12-10:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/sringeri/1981-12-10","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-12-10","date_display":"December 10, 1981 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":1981,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444948.770833,"kali_year":5083,"ahargana":1856483.2708,"sun":{"sidereal_longitude":233.9105,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":36.0429,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1325,"elapsed_within_tithi_degrees":6.1325},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.0429,"elapsed_within_degrees":9.3763},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.9534},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":1981,"month":12,"day":10,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444948.770833,"ahargana":1856483.2708,"kali_year":5083,"ayanamsa_lahiri":23.6007,"grahas":{"sun":{"sidereal_longitude":234.29443500000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":35.34633500000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"retrograde":false,"latitude":-3.8374},"mars":{"sidereal_longitude":153.76113499999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":234.195335,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":189.26163500000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":277.4662350000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":176.04963500000008,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":94.5823,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":274.5823,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":1981,"month":12,"day":10,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444948.770833,"kali_year":5083,"ahargana":1856483.2708,"sun":{"sidereal_longitude":233.9105,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":36.0429,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.1325,"elapsed_within_tithi_degrees":6.1325},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3,"moon_longitude":36.0429,"elapsed_within_degrees":9.3763},"yoga":{"number":21,"name":"Siddha","sum_longitude":269.9534},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.837,"elongation":162.132},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.837,"opposition_distance":17.868}},"eclipse_window_40days":[]},"city":{"slug":"sringeri","name":"Śṛṅgerī (Śaṅkara-pīṭha)","lat":13.4198,"lon":75.2526,"tz_offset_hours":5.5,"state":"Karnataka","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"sringeri","name":"Śṛṅgerī (Śaṅkara-pīṭha)","lat":13.4198,"lon":75.2526,"tz_offset_hours":5.5,"state":"Karnataka","country":"IN","tier":"tirtha"},"sunriseLocal":"06:42","sunsetLocal":"18:03","solarNoonLocal":"12:23","dayLengthHours":11.353748898356208,"dayLengthDisplay":"11 Hours 21 Mins 13 Secs","nightLengthDisplay":"12 Hours 38 Mins 47 Secs","moonriseLocal":"16:44","moonsetLocal":"05:29","rahuKala":{"name":"Rāhu Kāla","start":"13:48","end":"15:13","startHours":13.795211746656939,"endHours":15.214430358951466,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:42","end":"08:07","startHours":6.69911868518431,"endHours":8.118337297478835,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:32","end":"10:57","startHours":9.537555909773362,"endHours":10.956774522067889,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:21","end":"09:44","startHours":9.348326761467426,"endHours":9.7267850580793,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:10","end":"07:28","startHours":7.172191555949151,"endHours":7.47495819323865,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:00","end":"12:45","startHours":11.99753483775054,"endHours":12.754451430974287,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:11","end":"05:57","startHours":5.185285498736815,"endHours":5.942202091960563,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:45","end":"06:42","startHours":5.752972943654625,"endHours":6.69911868518431,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:02","startHours":14.268284617421783,"endHours":15.02520121064553,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:51","end":"18:15","startHours":17.85286758354052,"endHours":18.252867583540517,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:03","end":"18:32","startHours":18.052867583540518,"endHours":18.52594045430536,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:48","end":"19:33","startHours":17.802867583540518,"endHours":19.552867583540518,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:00","end":"00:45","startHours":23.99753483775054,"endHours":24.75445143097429,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:42","end":"08:07","startHours":6.69911868518431,"endHours":8.118337297478835,"quality":"auspicious"},{"name":"Roga","start":"08:07","end":"09:32","startHours":8.118337297478835,"endHours":9.537555909773362,"quality":"inauspicious"},{"name":"Udveg","start":"09:32","end":"10:57","startHours":9.537555909773362,"endHours":10.956774522067889,"quality":"inauspicious"},{"name":"Chala","start":"10:57","end":"12:23","startHours":10.956774522067889,"endHours":12.375993134362414,"quality":"neutral"},{"name":"Labha","start":"12:23","end":"13:48","startHours":12.375993134362414,"endHours":13.795211746656939,"quality":"auspicious"},{"name":"Amṛta","start":"13:48","end":"15:13","startHours":13.795211746656939,"endHours":15.214430358951466,"quality":"auspicious"},{"name":"Kāla","start":"15:13","end":"16:38","startHours":15.214430358951466,"endHours":16.633648971245993,"quality":"inauspicious"},{"name":"Śubha","start":"16:38","end":"18:03","startHours":16.633648971245993,"endHours":18.052867583540518,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:03","end":"19:38","startHours":18.052867583540518,"endHours":19.633648971245993,"quality":"auspicious"},{"name":"Kāla","start":"19:38","end":"21:13","startHours":19.633648971245993,"endHours":21.214430358951468,"quality":"inauspicious"},{"name":"Śubha","start":"21:13","end":"22:48","startHours":21.214430358951468,"endHours":22.79521174665694,"quality":"auspicious"},{"name":"Roga","start":"22:48","end":"00:23","startHours":22.79521174665694,"endHours":24.375993134362414,"quality":"inauspicious"},{"name":"Udveg","start":"00:23","end":"01:57","startHours":24.375993134362414,"endHours":25.95677452206789,"quality":"inauspicious"},{"name":"Chala","start":"01:57","end":"03:32","startHours":25.95677452206789,"endHours":27.53755590977336,"quality":"neutral"},{"name":"Labha","start":"03:32","end":"05:07","startHours":27.53755590977336,"endHours":29.118337297478835,"quality":"auspicious"},{"name":"Amṛta","start":"05:07","end":"06:42","startHours":29.118337297478835,"endHours":30.69911868518431,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.69911868518431,"endHours":7.69911868518431,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.69911868518431,"endHours":8.69911868518431,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.69911868518431,"endHours":9.69911868518431,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.69911868518431,"endHours":10.69911868518431,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.69911868518431,"endHours":11.69911868518431,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.69911868518431,"endHours":12.69911868518431,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.69911868518431,"endHours":13.69911868518431,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.69911868518431,"endHours":14.69911868518431,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.69911868518431,"endHours":15.69911868518431,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.69911868518431,"endHours":16.69911868518431,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.69911868518431,"endHours":17.69911868518431,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.69911868518431,"endHours":18.69911868518431,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.69911868518431,"endHours":19.69911868518431,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.69911868518431,"endHours":20.69911868518431,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.69911868518431,"endHours":21.69911868518431,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.69911868518431,"endHours":22.69911868518431,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.69911868518431,"endHours":23.69911868518431,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.69911868518431,"endHours":24.69911868518431,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.69911868518431,"endHours":25.69911868518431,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.69911868518431,"endHours":26.69911868518431,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.69911868518431,"endHours":27.69911868518431,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.69911868518431,"endHours":28.69911868518431,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.69911868518431,"endHours":29.69911868518431,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.69911868518431,"endHours":30.69911868518431,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Siddhi","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-22.885390663365694,"eotMinutes":6.4300119382551255,"ayanamsa":23.6007}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"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":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturdaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Kṛttikā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Kṛttikā","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"sringeri"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 10, 1981 CE · Śṛṅgerī (Śaṅkara-pīṭha) · Vidhyamitra","description":"December 10, 1981 CE for Śṛṅgerī (Śaṅkara-pīṭha): Śukla Caturdaśī, sūryodaya 06:42, sūryāsta 18:03.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/sringeri/1981-12-10","hreflang_alternates":{"en":"https://vidhyamitra.com/city/sringeri/1981-12-10","sa":"https://sa.vidhyamitra.com/city/sringeri/1981-12-10","hi":"https://hi.vidhyamitra.com/city/sringeri/1981-12-10","x-default":"https://vidhyamitra.com/city/sringeri/1981-12-10"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T09:57:42.830Z","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":"2026-05-31T09:57:42.830Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T09:57:42.830Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}