{"id":"vidhyamitra:city-day:varanasi:1981-11-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/1981-11-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-11-13","date_display":"November 13, 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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444921.770833,"kali_year":5083,"ahargana":1856456.2708,"sun":{"sidereal_longitude":206.3972,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":40.4409,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.0437,"elapsed_within_tithi_degrees":2.0437},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.4409,"elapsed_within_degrees":0.4409},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.8382},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444921.770833,"ahargana":1856456.2708,"kali_year":5083,"ayanamsa_lahiri":23.5997,"grahas":{"sun":{"sidereal_longitude":206.97636599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":42.709565999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1},"retrograde":false,"latitude":-3.7105},"mars":{"sidereal_longitude":139.69316600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":191.72836600000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":183.93696599999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":254.34896600000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.412866,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":96.0129,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":276.0129,"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":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444921.770833,"kali_year":5083,"ahargana":1856456.2708,"sun":{"sidereal_longitude":206.3972,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":40.4409,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":194.0437,"elapsed_within_tithi_degrees":2.0437},"nakshatra":{"number":4,"name":"Rohiṇī","pada":1,"moon_longitude":40.4409,"elapsed_within_degrees":0.4409},"yoga":{"number":19,"name":"Parigha","sum_longitude":246.8382},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.711,"elongation":165.956},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.711,"opposition_distance":14.044}},"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":"06:14","sunsetLocal":"17:12","solarNoonLocal":"11:43","dayLengthHours":10.959101737594775,"dayLengthDisplay":"10 Hours 57 Mins 33 Secs","nightLengthDisplay":"13 Hours 02 Mins 27 Secs","moonriseLocal":"18:00","moonsetLocal":"07:31","rahuKala":{"name":"Rāhu Kāla","start":"10:21","end":"11:43","startHours":10.34418893589302,"endHours":11.714076653092368,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:27","end":"15:49","startHours":14.453852087491061,"endHours":15.823739804690408,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:36","end":"08:58","startHours":7.604413501494328,"endHours":8.974301218693675,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:47","end":"09:09","startHours":8.791649523067095,"endHours":9.156952914320254,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"06:59","startHours":6.691155023361429,"endHours":6.9833977363639566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:21","end":"12:05","startHours":11.34877326183921,"endHours":12.079380044345527,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:46","end":"05:30","startHours":4.773312219282344,"endHours":5.503919001788662,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:19","end":"06:14","startHours":5.321267306162083,"endHours":6.234525784294981,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:32","end":"14:16","startHours":13.540593609358165,"endHours":14.271200391864484,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:00","end":"17:24","startHours":16.993627521889756,"endHours":17.393627521889755,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:12","end":"17:39","startHours":17.193627521889756,"endHours":17.650256760956204,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"16:57","end":"18:42","startHours":16.943627521889756,"endHours":18.693627521889756,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:21","end":"00:05","startHours":23.34877326183921,"endHours":24.07938004434553,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:14","end":"07:36","startHours":6.234525784294981,"endHours":7.604413501494328,"quality":"neutral"},{"name":"Labha","start":"07:36","end":"08:58","startHours":7.604413501494328,"endHours":8.974301218693675,"quality":"auspicious"},{"name":"Amṛta","start":"08:58","end":"10:21","startHours":8.974301218693675,"endHours":10.34418893589302,"quality":"auspicious"},{"name":"Kāla","start":"10:21","end":"11:43","startHours":10.34418893589302,"endHours":11.714076653092368,"quality":"inauspicious"},{"name":"Śubha","start":"11:43","end":"13:05","startHours":11.714076653092368,"endHours":13.083964370291715,"quality":"auspicious"},{"name":"Roga","start":"13:05","end":"14:27","startHours":13.083964370291715,"endHours":14.453852087491061,"quality":"inauspicious"},{"name":"Udveg","start":"14:27","end":"15:49","startHours":14.453852087491061,"endHours":15.823739804690408,"quality":"inauspicious"},{"name":"Chala","start":"15:49","end":"17:12","startHours":15.823739804690408,"endHours":17.193627521889756,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:12","end":"18:49","startHours":17.193627521889756,"endHours":18.82373980469041,"quality":"inauspicious"},{"name":"Udveg","start":"18:49","end":"20:27","startHours":18.82373980469041,"endHours":20.45385208749106,"quality":"inauspicious"},{"name":"Chala","start":"20:27","end":"22:05","startHours":20.45385208749106,"endHours":22.083964370291717,"quality":"neutral"},{"name":"Labha","start":"22:05","end":"23:43","startHours":22.083964370291717,"endHours":23.71407665309237,"quality":"auspicious"},{"name":"Amṛta","start":"23:43","end":"01:21","startHours":23.71407665309237,"endHours":25.344188935893023,"quality":"auspicious"},{"name":"Kāla","start":"01:21","end":"02:58","startHours":25.344188935893023,"endHours":26.974301218693675,"quality":"inauspicious"},{"name":"Śubha","start":"02:58","end":"04:36","startHours":26.974301218693675,"endHours":28.604413501494328,"quality":"auspicious"},{"name":"Roga","start":"04:36","end":"06:14","startHours":28.604413501494328,"endHours":30.23452578429498,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:14","end":"07:14","startHours":6.234525784294981,"endHours":7.234525784294981,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:14","end":"08:14","startHours":7.234525784294981,"endHours":8.23452578429498,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:14","end":"09:14","startHours":8.23452578429498,"endHours":9.23452578429498,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:14","end":"10:14","startHours":9.23452578429498,"endHours":10.23452578429498,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:14","end":"11:14","startHours":10.23452578429498,"endHours":11.23452578429498,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:14","end":"12:14","startHours":11.23452578429498,"endHours":12.23452578429498,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:14","end":"13:14","startHours":12.23452578429498,"endHours":13.23452578429498,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:14","end":"14:14","startHours":13.23452578429498,"endHours":14.23452578429498,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:14","end":"15:14","startHours":14.23452578429498,"endHours":15.23452578429498,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:14","end":"16:14","startHours":15.23452578429498,"endHours":16.23452578429498,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:14","end":"17:14","startHours":16.23452578429498,"endHours":17.23452578429498,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:14","end":"18:14","startHours":17.23452578429498,"endHours":18.23452578429498,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:14","end":"19:14","startHours":18.23452578429498,"endHours":19.23452578429498,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:14","end":"20:14","startHours":19.23452578429498,"endHours":20.23452578429498,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:14","end":"21:14","startHours":20.23452578429498,"endHours":21.23452578429498,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:14","end":"22:14","startHours":21.23452578429498,"endHours":22.23452578429498,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:14","end":"23:14","startHours":22.23452578429498,"endHours":23.23452578429498,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:14","end":"00:14","startHours":23.23452578429498,"endHours":24.23452578429498,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:14","end":"01:14","startHours":24.23452578429498,"endHours":25.23452578429498,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:14","end":"02:14","startHours":25.23452578429498,"endHours":26.23452578429498,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:14","end":"03:14","startHours":26.23452578429498,"endHours":27.23452578429498,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:14","end":"04:14","startHours":27.23452578429498,"endHours":28.23452578429498,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:14","end":"05:14","startHours":28.23452578429498,"endHours":29.23452578429498,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:14","end":"06:14","startHours":29.23452578429498,"endHours":30.23452578429498,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"South-East","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"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":-17.892722228134833,"eotMinutes":15.25980081445791,"ayanamsa":23.5997}},"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 Kṛṣṇa Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Kṛṣṇa Dvitīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"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":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","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 November 13, 1981 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"November 13, 1981 CE for Vārāṇasī (Kāśī): Kṛṣṇa Dvitīyā, sūryodaya 06:14, sūryāsta 17:12.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/1981-11-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/1981-11-13","sa":"https://sa.vidhyamitra.com/city/varanasi/1981-11-13","hi":"https://hi.vidhyamitra.com/city/varanasi/1981-11-13","x-default":"https://vidhyamitra.com/city/varanasi/1981-11-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:36:42.448Z","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":"2026-05-14T16:36:42.448Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:36:42.448Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}