{"id":"vidhyamitra:city-day:varanasi:1981-10-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1981-10-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-07","date_display":"October 7, 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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444884.770833,"kali_year":5083,"ahargana":1856419.2708,"sun":{"sidereal_longitude":169.3934,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":270.3164,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.923,"elapsed_within_tithi_degrees":4.923},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.3164,"elapsed_within_degrees":3.6497},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.7098},"karana":{"half_tithi_index":16,"name":"Bālava"},"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":1981,"month":10,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444884.770833,"ahargana":1856419.2708,"kali_year":5083,"ayanamsa_lahiri":23.5983,"grahas":{"sun":{"sidereal_longitude":170.09348,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":268.10317999999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false,"latitude":0.599},"mars":{"sidereal_longitude":118.32087999999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":190.77667999999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":175.95668,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":214.47587999999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":169.03427999999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":97.9733,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.9733,"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":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444884.770833,"kali_year":5083,"ahargana":1856419.2708,"sun":{"sidereal_longitude":169.3934,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":270.3164,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":9,"name":"Navamī","paksha":"Śukla","full_name":"Śukla Navamī","elongation_degrees":100.923,"elapsed_within_tithi_degrees":4.923},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2,"moon_longitude":270.3164,"elapsed_within_degrees":3.6497},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":79.7098},"karana":{"half_tithi_index":16,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.599,"elongation":100.923},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.599,"opposition_distance":79.077}},"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":"05:52","sunsetLocal":"17:39","solarNoonLocal":"11:45","dayLengthHours":11.781630613474182,"dayLengthDisplay":"11 Hours 46 Mins 54 Secs","nightLengthDisplay":"12 Hours 13 Mins 06 Secs","moonriseLocal":"12:58","moonsetLocal":"23:37","rahuKala":{"name":"Rāhu Kāla","start":"11:45","end":"13:14","startHours":11.75242749651634,"endHours":13.22513132320061,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:20","end":"08:48","startHours":7.3343160164635215,"endHours":8.807019843147794,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:17","end":"11:45","startHours":10.279723669832066,"endHours":11.75242749651634,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:37","end":"09:00","startHours":8.610659332923223,"endHours":9.003380353372364,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:21","end":"06:40","startHours":6.352513465340673,"endHours":6.666690281699984,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:22","end":"12:09","startHours":11.359706476067199,"endHours":12.145148516965477,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:17","end":"05:05","startHours":4.290728107982691,"endHours":5.076170148880969,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:53","end":"05:52","startHours":4.8798096386564,"endHours":5.861612189779248,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:43","end":"14:30","startHours":13.716032598762036,"endHours":14.501474639660314,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.44324280325343,"endHours":17.84324280325343,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:08","startHours":17.64324280325343,"endHours":18.134144078814852,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.39324280325343,"endHours":19.14324280325343,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:22","end":"00:09","startHours":23.3597064760672,"endHours":24.14514851696548,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:52","end":"07:20","startHours":5.861612189779248,"endHours":7.3343160164635215,"quality":"auspicious"},{"name":"Amṛta","start":"07:20","end":"08:48","startHours":7.3343160164635215,"endHours":8.807019843147794,"quality":"auspicious"},{"name":"Kāla","start":"08:48","end":"10:17","startHours":8.807019843147794,"endHours":10.279723669832066,"quality":"inauspicious"},{"name":"Śubha","start":"10:17","end":"11:45","startHours":10.279723669832066,"endHours":11.75242749651634,"quality":"auspicious"},{"name":"Roga","start":"11:45","end":"13:14","startHours":11.75242749651634,"endHours":13.22513132320061,"quality":"inauspicious"},{"name":"Udveg","start":"13:14","end":"14:42","startHours":13.22513132320061,"endHours":14.697835149884884,"quality":"inauspicious"},{"name":"Chala","start":"14:42","end":"16:10","startHours":14.697835149884884,"endHours":16.17053897656916,"quality":"neutral"},{"name":"Labha","start":"16:10","end":"17:39","startHours":16.17053897656916,"endHours":17.64324280325343,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:39","end":"19:10","startHours":17.64324280325343,"endHours":19.170538976569155,"quality":"inauspicious"},{"name":"Chala","start":"19:10","end":"20:42","startHours":19.170538976569155,"endHours":20.697835149884884,"quality":"neutral"},{"name":"Labha","start":"20:42","end":"22:14","startHours":20.697835149884884,"endHours":22.22513132320061,"quality":"auspicious"},{"name":"Amṛta","start":"22:14","end":"23:45","startHours":22.22513132320061,"endHours":23.75242749651634,"quality":"auspicious"},{"name":"Kāla","start":"23:45","end":"01:17","startHours":23.75242749651634,"endHours":25.279723669832066,"quality":"inauspicious"},{"name":"Śubha","start":"01:17","end":"02:48","startHours":25.279723669832066,"endHours":26.807019843147792,"quality":"auspicious"},{"name":"Roga","start":"02:48","end":"04:20","startHours":26.807019843147792,"endHours":28.334316016463518,"quality":"inauspicious"},{"name":"Udveg","start":"04:20","end":"05:52","startHours":28.334316016463518,"endHours":29.861612189779247,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.861612189779248,"endHours":6.861612189779248,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.861612189779248,"endHours":7.861612189779248,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.861612189779248,"endHours":8.861612189779247,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.861612189779247,"endHours":9.861612189779247,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.861612189779247,"endHours":10.861612189779247,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.861612189779247,"endHours":11.861612189779247,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.861612189779247,"endHours":12.861612189779247,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.861612189779247,"endHours":13.861612189779247,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.861612189779247,"endHours":14.861612189779247,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.861612189779247,"endHours":15.861612189779247,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.861612189779247,"endHours":16.861612189779247,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.861612189779247,"endHours":17.861612189779247,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.861612189779247,"endHours":18.861612189779247,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.861612189779247,"endHours":19.861612189779247,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.861612189779247,"endHours":20.861612189779247,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.861612189779247,"endHours":21.861612189779247,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.861612189779247,"endHours":22.861612189779247,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.861612189779247,"endHours":23.861612189779247,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.861612189779247,"endHours":24.861612189779247,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.861612189779247,"endHours":25.861612189779247,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.861612189779247,"endHours":26.861612189779247,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.861612189779247,"endHours":27.861612189779247,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.861612189779247,"endHours":28.861612189779247,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.861612189779247,"endHours":29.861612189779247,"planetary_lord":"Sun"}],"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","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","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":-5.40198360717454,"eotMinutes":12.958750209019716,"ayanamsa":23.5983}},"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 Navamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"mahanavami","name":"Mahā-Navamī","name_sanskrit":"महानवमी","tradition":"Shakta","associated_deity":"Devī Durgā","significance":"9th day of Śāradīya Navrātri; Devī's final victory.","vrata":true,"detection":{"tithi_number":9,"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":"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":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Śukla Navamī","url":"/day/-1626101-04-03","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 7, 1981 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"October 7, 1981 CE for Vārāṇasī (Kāśī): Śukla Navamī, sūryodaya 05:52, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1981-10-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1981-10-07","sa":"https://sa.vidhyamitra.com/city/varanasi/1981-10-07","hi":"https://hi.vidhyamitra.com/city/varanasi/1981-10-07","x-default":"https://vidhyamitra.com/city/varanasi/1981-10-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T11:34:54.322Z","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":"2026-05-14T11:34:54.322Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T11:34:54.322Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}