{"id":"vidhyamitra:city-day:vrindavan:1981-11-09:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1981-11-09","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-11-09","date_display":"November 9, 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":11,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444917.770833,"kali_year":5083,"ahargana":1856452.2708,"sun":{"sidereal_longitude":202.3533,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":343.701,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3477,"elapsed_within_tithi_degrees":9.3477},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":343.701,"elapsed_within_degrees":10.3677},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.0543},"karana":{"half_tithi_index":23,"name":"Bālava"},"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":1981,"month":11,"day":9,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444917.770833,"ahargana":1856452.2708,"kali_year":5083,"ayanamsa_lahiri":23.5995,"grahas":{"sun":{"sidereal_longitude":202.95481900000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":342.543919,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false,"latitude":-4.1561},"mars":{"sidereal_longitude":137.48111900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":185.874319,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":183.096319,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":250.32991900000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":172.969019,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":96.2248,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":276.2248,"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":11,"day":9,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444917.770833,"kali_year":5083,"ahargana":1856452.2708,"sun":{"sidereal_longitude":202.3533,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":343.701,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":12,"name":"Dvādaśī","paksha":"Śukla","full_name":"Śukla Dvādaśī","elongation_degrees":141.3477,"elapsed_within_tithi_degrees":9.3477},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":343.701,"elapsed_within_degrees":10.3677},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":186.0543},"karana":{"half_tithi_index":23,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.156,"elongation":141.348},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.156,"opposition_distance":38.652}},"eclipse_window_40days":[]},"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":"06:36","sunsetLocal":"17:31","solarNoonLocal":"12:03","dayLengthHours":10.924518981837819,"dayLengthDisplay":"10 Hours 55 Mins 28 Secs","nightLengthDisplay":"13 Hours 04 Mins 32 Secs","moonriseLocal":"15:14","moonsetLocal":"03:30","rahuKala":{"name":"Rāhu Kāla","start":"07:58","end":"09:20","startHours":7.961534382049324,"endHours":9.327099254779052,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:42","end":"12:03","startHours":10.692664127508777,"endHours":12.058229000238505,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:25","end":"14:47","startHours":13.423793872968233,"endHours":14.78935874569796,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:31","startHours":9.145023938415088,"endHours":9.509174571143015,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:03","end":"07:21","startHours":7.051157800229506,"endHours":7.342478306411848,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:42","end":"12:25","startHours":11.694078367510578,"endHours":12.422379632966432,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:08","end":"05:52","startHours":5.139366978407887,"endHours":5.867668243863742,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:41","end":"06:36","startHours":5.685592927499778,"endHours":6.5959695093195965,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:53","end":"14:36","startHours":13.878982163878142,"endHours":14.607283429333997,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:19","end":"17:43","startHours":17.320488491157416,"endHours":17.720488491157415,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:31","end":"17:59","startHours":17.520488491157415,"endHours":17.975676782067325,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:16","end":"19:01","startHours":17.270488491157415,"endHours":19.020488491157415,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:42","end":"00:25","startHours":23.694078367510578,"endHours":24.422379632966432,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:36","end":"07:58","startHours":6.5959695093195965,"endHours":7.961534382049324,"quality":"auspicious"},{"name":"Kāla","start":"07:58","end":"09:20","startHours":7.961534382049324,"endHours":9.327099254779052,"quality":"inauspicious"},{"name":"Śubha","start":"09:20","end":"10:42","startHours":9.327099254779052,"endHours":10.692664127508777,"quality":"auspicious"},{"name":"Roga","start":"10:42","end":"12:03","startHours":10.692664127508777,"endHours":12.058229000238505,"quality":"inauspicious"},{"name":"Udveg","start":"12:03","end":"13:25","startHours":12.058229000238505,"endHours":13.423793872968233,"quality":"inauspicious"},{"name":"Chala","start":"13:25","end":"14:47","startHours":13.423793872968233,"endHours":14.78935874569796,"quality":"neutral"},{"name":"Labha","start":"14:47","end":"16:09","startHours":14.78935874569796,"endHours":16.154923618427688,"quality":"auspicious"},{"name":"Amṛta","start":"16:09","end":"17:31","startHours":16.154923618427688,"endHours":17.520488491157415,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:31","end":"19:09","startHours":17.520488491157415,"endHours":19.154923618427688,"quality":"neutral"},{"name":"Labha","start":"19:09","end":"20:47","startHours":19.154923618427688,"endHours":20.78935874569796,"quality":"auspicious"},{"name":"Amṛta","start":"20:47","end":"22:25","startHours":20.78935874569796,"endHours":22.423793872968233,"quality":"auspicious"},{"name":"Kāla","start":"22:25","end":"00:03","startHours":22.423793872968233,"endHours":24.058229000238505,"quality":"inauspicious"},{"name":"Śubha","start":"00:03","end":"01:42","startHours":24.058229000238505,"endHours":25.692664127508777,"quality":"auspicious"},{"name":"Roga","start":"01:42","end":"03:20","startHours":25.692664127508777,"endHours":27.32709925477905,"quality":"inauspicious"},{"name":"Udveg","start":"03:20","end":"04:58","startHours":27.32709925477905,"endHours":28.961534382049322,"quality":"inauspicious"},{"name":"Chala","start":"04:58","end":"06:36","startHours":28.961534382049322,"endHours":30.595969509319595,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.5959695093195965,"endHours":7.5959695093195965,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.5959695093195965,"endHours":8.595969509319596,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.595969509319596,"endHours":9.595969509319596,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.595969509319596,"endHours":10.595969509319596,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.595969509319596,"endHours":11.595969509319596,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.595969509319596,"endHours":12.595969509319596,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.595969509319596,"endHours":13.595969509319596,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.595969509319596,"endHours":14.595969509319596,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.595969509319596,"endHours":15.595969509319596,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.595969509319596,"endHours":16.595969509319595,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.595969509319595,"endHours":17.595969509319595,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.595969509319595,"endHours":18.595969509319595,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.595969509319595,"endHours":19.595969509319595,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.595969509319595,"endHours":20.595969509319595,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.595969509319595,"endHours":21.595969509319595,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.595969509319595,"endHours":22.595969509319595,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.595969509319595,"endHours":23.595969509319595,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.595969509319595,"endHours":24.595969509319595,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.595969509319595,"endHours":25.595969509319595,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.595969509319595,"endHours":26.595969509319595,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.595969509319595,"endHours":27.595969509319595,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.595969509319595,"endHours":28.595969509319595,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.595969509319595,"endHours":29.595969509319595,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.595969509319595,"endHours":30.595969509319595,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-16.783994571681387,"eotMinutes":15.86905998568972,"ayanamsa":23.5995}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Dvādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"tulasi-vivaha","name":"Tulasī Vivāha","name_sanskrit":"तुलसी विवाह","tradition":"Vaishnava","associated_deity":"Tulasī Devī + Bhagavān Viṣṇu","significance":"Marriage of Tulasī (Vṛndā) with Śālagrāma. Marks end of Cāturmāsya.","vrata":true,"detection":{"tithi_number":12,"tithi_paksha":"Śukla","lunar_month":"Kārtika"},"precedence":2,"sources":["Padma Purāṇa Uttara-khaṇḍa"]},{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":[]},"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 November 9, 1981 CE · Vṛndāvana · Vidhyamitra","description":"November 9, 1981 CE for Vṛndāvana: Śukla Dvādaśī, sūryodaya 06:36, sūryāsta 17:31.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1981-11-09","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1981-11-09","sa":"https://sa.vidhyamitra.com/city/vrindavan/1981-11-09","hi":"https://hi.vidhyamitra.com/city/vrindavan/1981-11-09","x-default":"https://vidhyamitra.com/city/vrindavan/1981-11-09"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-24T17:03:33.235Z","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":"2026-05-24T17:03:33.235Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-24T17:03:33.235Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}