{"id":"vidhyamitra:city-day:varanasi:1981-10-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1981-10-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-06","date_display":"October 6, 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":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444883.770833,"kali_year":5083,"ahargana":1856418.2708,"sun":{"sidereal_longitude":168.4065,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":258.4717,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.0652,"elapsed_within_tithi_degrees":6.0652},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.4717,"elapsed_within_degrees":5.1384},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":66.8782},"karana":{"half_tithi_index":15,"name":"Bava"},"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":1981,"month":10,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444883.770833,"ahargana":1856418.2708,"kali_year":5083,"ayanamsa_lahiri":23.5982,"grahas":{"sun":{"sidereal_longitude":169.107118,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":255.9739179999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false,"latitude":1.5048},"mars":{"sidereal_longitude":117.71871799999997,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":190.79041800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":175.73931800000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":213.34021800000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":168.911518,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":98.0263,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":278.0263,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"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":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444883.770833,"kali_year":5083,"ahargana":1856418.2708,"sun":{"sidereal_longitude":168.4065,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":258.4717,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":90.0652,"elapsed_within_tithi_degrees":6.0652},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":258.4717,"elapsed_within_degrees":5.1384},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":66.8782},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.505,"elongation":90.065},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.505,"opposition_distance":89.935}},"eclipse_window_40days":[]},"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"varanasi","name":"Vārāṇasī (Kāśī)","lat":25.3176,"lon":82.9739,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:51","sunsetLocal":"17:40","solarNoonLocal":"11:45","dayLengthHours":11.805959358232997,"dayLengthDisplay":"11 Hours 48 Mins 21 Secs","nightLengthDisplay":"12 Hours 11 Mins 39 Secs","moonriseLocal":"12:17","moonsetLocal":"22:49","rahuKala":{"name":"Rāhu Kāla","start":"14:43","end":"16:11","startHours":14.708569419593793,"endHours":16.184314339372918,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:17","startHours":8.805589740477295,"endHours":10.28133466025642,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:45","end":"13:14","startHours":11.757079580035544,"endHours":13.232824499814669,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:00","startHours":8.60882375117341,"endHours":9.002355729781177,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:40","startHours":6.346014874178753,"endHours":6.660840457064966,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:09","startHours":11.363547601427777,"endHours":12.15061155864331,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:04","startHours":4.279971986487979,"endHours":5.0670359437035115,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:52","end":"05:51","startHours":4.870269954399628,"endHours":5.854099900919045,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:31","startHours":13.724739473074376,"endHours":14.511803430289909,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:28","end":"17:52","startHours":17.460059259152043,"endHours":17.86005925915204,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:40","end":"18:09","startHours":17.660059259152042,"endHours":18.15197423241175,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:25","end":"19:10","startHours":17.410059259152042,"endHours":19.160059259152042,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:09","startHours":23.36354760142778,"endHours":24.15061155864331,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:51","end":"07:20","startHours":5.854099900919045,"endHours":7.3298448206981694,"quality":"inauspicious"},{"name":"Udveg","start":"07:20","end":"08:48","startHours":7.3298448206981694,"endHours":8.805589740477295,"quality":"inauspicious"},{"name":"Chala","start":"08:48","end":"10:17","startHours":8.805589740477295,"endHours":10.28133466025642,"quality":"neutral"},{"name":"Labha","start":"10:17","end":"11:45","startHours":10.28133466025642,"endHours":11.757079580035544,"quality":"auspicious"},{"name":"Amṛta","start":"11:45","end":"13:14","startHours":11.757079580035544,"endHours":13.232824499814669,"quality":"auspicious"},{"name":"Kāla","start":"13:14","end":"14:43","startHours":13.232824499814669,"endHours":14.708569419593793,"quality":"inauspicious"},{"name":"Śubha","start":"14:43","end":"16:11","startHours":14.708569419593793,"endHours":16.184314339372918,"quality":"auspicious"},{"name":"Roga","start":"16:11","end":"17:40","startHours":16.184314339372918,"endHours":17.660059259152042,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:40","end":"19:11","startHours":17.660059259152042,"endHours":19.184314339372918,"quality":"inauspicious"},{"name":"Śubha","start":"19:11","end":"20:43","startHours":19.184314339372918,"endHours":20.708569419593793,"quality":"auspicious"},{"name":"Roga","start":"20:43","end":"22:14","startHours":20.708569419593793,"endHours":22.23282449981467,"quality":"inauspicious"},{"name":"Udveg","start":"22:14","end":"23:45","startHours":22.23282449981467,"endHours":23.757079580035544,"quality":"inauspicious"},{"name":"Chala","start":"23:45","end":"01:17","startHours":23.757079580035544,"endHours":25.28133466025642,"quality":"neutral"},{"name":"Labha","start":"01:17","end":"02:48","startHours":25.28133466025642,"endHours":26.805589740477295,"quality":"auspicious"},{"name":"Amṛta","start":"02:48","end":"04:20","startHours":26.805589740477295,"endHours":28.32984482069817,"quality":"auspicious"},{"name":"Kāla","start":"04:20","end":"05:51","startHours":28.32984482069817,"endHours":29.854099900919046,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:51","end":"06:51","startHours":5.854099900919045,"endHours":6.854099900919045,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:51","end":"07:51","startHours":6.854099900919045,"endHours":7.854099900919045,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:51","end":"08:51","startHours":7.854099900919045,"endHours":8.854099900919046,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:51","end":"09:51","startHours":8.854099900919046,"endHours":9.854099900919046,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:51","end":"10:51","startHours":9.854099900919046,"endHours":10.854099900919046,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:51","end":"11:51","startHours":10.854099900919046,"endHours":11.854099900919046,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:51","end":"12:51","startHours":11.854099900919046,"endHours":12.854099900919046,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:51","end":"13:51","startHours":12.854099900919046,"endHours":13.854099900919046,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:51","end":"14:51","startHours":13.854099900919046,"endHours":14.854099900919046,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:51","end":"15:51","startHours":14.854099900919046,"endHours":15.854099900919046,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:51","end":"16:51","startHours":15.854099900919046,"endHours":16.854099900919046,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:51","end":"17:51","startHours":16.854099900919046,"endHours":17.854099900919046,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:51","end":"18:51","startHours":17.854099900919046,"endHours":18.854099900919046,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:51","end":"19:51","startHours":18.854099900919046,"endHours":19.854099900919046,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:51","end":"20:51","startHours":19.854099900919046,"endHours":20.854099900919046,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:51","end":"21:51","startHours":20.854099900919046,"endHours":21.854099900919046,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:51","end":"22:51","startHours":21.854099900919046,"endHours":22.854099900919046,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:51","end":"23:51","startHours":22.854099900919046,"endHours":23.854099900919046,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:51","end":"00:51","startHours":23.854099900919046,"endHours":24.854099900919046,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:51","end":"01:51","startHours":24.854099900919046,"endHours":25.854099900919046,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:51","end":"02:51","startHours":25.854099900919046,"endHours":26.854099900919046,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:51","end":"03:51","startHours":26.854099900919046,"endHours":27.854099900919046,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:51","end":"04:51","startHours":27.854099900919046,"endHours":28.854099900919046,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:51","end":"05:51","startHours":28.854099900919046,"endHours":29.854099900919046,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"North","anandadiYoga":{"name":"Dhātṛ","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.018418852260721,"eotMinutes":12.679625197867345,"ayanamsa":23.5982}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Aṣṭamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"durga-ashtami","name":"Mahā-Aṣṭamī (Durgā-Aṣṭamī)","name_sanskrit":"महाष्टमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"8th day of Śāradīya Navrātri; Mahiṣāsura-mardinī kṣaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"varanasi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 6, 1981 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"October 6, 1981 CE for Vārāṇasī (Kāśī): Śukla Aṣṭamī, sūryodaya 05:51, sūryāsta 17:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1981-10-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1981-10-06","sa":"https://sa.vidhyamitra.com/city/varanasi/1981-10-06","hi":"https://hi.vidhyamitra.com/city/varanasi/1981-10-06","x-default":"https://vidhyamitra.com/city/varanasi/1981-10-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T14:45:05.628Z","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":"2026-05-14T14:45:05.628Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T14:45:05.628Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}