{"id":"vidhyamitra:city-day:varanasi:2001-09-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/2001-09-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2001-09-13","date_display":"September 13, 2001 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":2001,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452165.770833,"kali_year":5103,"ahargana":1863700.2708,"sun":{"sidereal_longitude":145.7258,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":87.6378,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.912,"elapsed_within_tithi_degrees":1.912},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6378,"elapsed_within_degrees":7.6378},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.3636},"karana":{"half_tithi_index":50,"name":"Bava"},"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":2001,"month":9,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452165.770833,"ahargana":1863700.2708,"kali_year":5103,"ayanamsa_lahiri":23.8767,"grahas":{"sun":{"sidereal_longitude":146.45239200000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"moon":{"sidereal_longitude":85.15469200000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false,"latitude":1.1974},"mars":{"sidereal_longitude":248.353792,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":172.236892,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":77.84669199999996,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":116.36279200000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":50.85189200000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":72.1909,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":252.1909,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","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":2001,"month":9,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452165.770833,"kali_year":5103,"ahargana":1863700.2708,"sun":{"sidereal_longitude":145.7258,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":87.6378,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":301.912,"elapsed_within_tithi_degrees":1.912},"nakshatra":{"number":7,"name":"Punarvasu","pada":3,"moon_longitude":87.6378,"elapsed_within_degrees":7.6378},"yoga":{"number":18,"name":"Varīyān","sum_longitude":233.3636},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.197,"elongation":58.088},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.197,"opposition_distance":121.912}},"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":"05:42","sunsetLocal":"18:04","solarNoonLocal":"11:53","dayLengthHours":12.365287980841387,"dayLengthDisplay":"12 Hours 21 Mins 55 Secs","nightLengthDisplay":"11 Hours 38 Mins 05 Secs","moonriseLocal":"01:01","moonsetLocal":"14:35","rahuKala":{"name":"Rāhu Kāla","start":"13:26","end":"14:59","startHours":13.434836482107407,"endHours":14.980497479712579,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:42","end":"07:15","startHours":5.706531494081539,"endHours":7.252192491686713,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:48","end":"10:21","startHours":8.797853489291885,"endHours":10.34351448689706,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:36","end":"09:00","startHours":8.591765356277863,"endHours":9.00394162230591,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:13","end":"06:33","startHours":6.221751826616597,"endHours":6.5514928394390335,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:29","end":"12:18","startHours":11.476999218474186,"endHours":12.301351750530278,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:03","end":"04:53","startHours":4.057826429969355,"endHours":4.8821789620254465,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:41","end":"05:42","startHours":4.676090829011423,"endHours":5.706531494081539,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:57","end":"14:46","startHours":13.950056814642465,"endHours":14.774409346698558,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:52","end":"18:16","startHours":17.871819474922926,"endHours":18.271819474922925,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:04","end":"18:35","startHours":18.071819474922926,"endHours":18.587039807457984,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:49","end":"19:34","startHours":17.821819474922926,"endHours":19.571819474922926,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:29","end":"00:18","startHours":23.476999218474187,"endHours":24.301351750530277,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:42","end":"07:15","startHours":5.706531494081539,"endHours":7.252192491686713,"quality":"auspicious"},{"name":"Roga","start":"07:15","end":"08:48","startHours":7.252192491686713,"endHours":8.797853489291885,"quality":"inauspicious"},{"name":"Udveg","start":"08:48","end":"10:21","startHours":8.797853489291885,"endHours":10.34351448689706,"quality":"inauspicious"},{"name":"Chala","start":"10:21","end":"11:53","startHours":10.34351448689706,"endHours":11.889175484502232,"quality":"neutral"},{"name":"Labha","start":"11:53","end":"13:26","startHours":11.889175484502232,"endHours":13.434836482107407,"quality":"auspicious"},{"name":"Amṛta","start":"13:26","end":"14:59","startHours":13.434836482107407,"endHours":14.980497479712579,"quality":"auspicious"},{"name":"Kāla","start":"14:59","end":"16:32","startHours":14.980497479712579,"endHours":16.526158477317754,"quality":"inauspicious"},{"name":"Śubha","start":"16:32","end":"18:04","startHours":16.526158477317754,"endHours":18.071819474922926,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:04","end":"19:32","startHours":18.071819474922926,"endHours":19.52615847731775,"quality":"auspicious"},{"name":"Kāla","start":"19:32","end":"20:59","startHours":19.52615847731775,"endHours":20.98049747971258,"quality":"inauspicious"},{"name":"Śubha","start":"20:59","end":"22:26","startHours":20.98049747971258,"endHours":22.434836482107407,"quality":"auspicious"},{"name":"Roga","start":"22:26","end":"23:53","startHours":22.434836482107407,"endHours":23.889175484502232,"quality":"inauspicious"},{"name":"Udveg","start":"23:53","end":"01:21","startHours":23.889175484502232,"endHours":25.343514486897057,"quality":"inauspicious"},{"name":"Chala","start":"01:21","end":"02:48","startHours":25.343514486897057,"endHours":26.797853489291885,"quality":"neutral"},{"name":"Labha","start":"02:48","end":"04:15","startHours":26.797853489291885,"endHours":28.252192491686714,"quality":"auspicious"},{"name":"Amṛta","start":"04:15","end":"05:42","startHours":28.252192491686714,"endHours":29.70653149408154,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:42","end":"06:42","startHours":5.706531494081539,"endHours":6.706531494081539,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:42","end":"07:42","startHours":6.706531494081539,"endHours":7.706531494081539,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:42","end":"08:42","startHours":7.706531494081539,"endHours":8.706531494081538,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:42","end":"09:42","startHours":8.706531494081538,"endHours":9.706531494081538,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:42","end":"10:42","startHours":9.706531494081538,"endHours":10.706531494081538,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:42","end":"11:42","startHours":10.706531494081538,"endHours":11.706531494081538,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:42","end":"12:42","startHours":11.706531494081538,"endHours":12.706531494081538,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:42","end":"13:42","startHours":12.706531494081538,"endHours":13.706531494081538,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:42","end":"14:42","startHours":13.706531494081538,"endHours":14.706531494081538,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:42","end":"15:42","startHours":14.706531494081538,"endHours":15.706531494081538,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:42","end":"16:42","startHours":15.706531494081538,"endHours":16.70653149408154,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:42","end":"17:42","startHours":16.70653149408154,"endHours":17.70653149408154,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:42","end":"18:42","startHours":17.70653149408154,"endHours":18.70653149408154,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:42","end":"19:42","startHours":18.70653149408154,"endHours":19.70653149408154,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:42","end":"20:42","startHours":19.70653149408154,"endHours":20.70653149408154,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:42","end":"21:42","startHours":20.70653149408154,"endHours":21.70653149408154,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:42","end":"22:42","startHours":21.70653149408154,"endHours":22.70653149408154,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:42","end":"23:42","startHours":22.70653149408154,"endHours":23.70653149408154,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:42","end":"00:42","startHours":23.70653149408154,"endHours":24.70653149408154,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:42","end":"01:42","startHours":24.70653149408154,"endHours":25.70653149408154,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:42","end":"02:42","startHours":25.70653149408154,"endHours":26.70653149408154,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:42","end":"03:42","startHours":26.70653149408154,"endHours":27.70653149408154,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:42","end":"04:42","startHours":27.70653149408154,"endHours":28.70653149408154,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:42","end":"05:42","startHours":28.70653149408154,"endHours":29.70653149408154,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"drikRitu":"Varṣā (Monsoon) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":3.831050062718715,"eotMinutes":4.753870929866006,"ayanamsa":23.8767}},"calendars":{"vikram_samvat":2058,"vikram_samvatsara":"Jaya","saka_samvat":1923,"saka_samvatsara":"Vṛṣa","bengali_samvat":1408,"malayalam_era":1177,"nanakshahi_year":532,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Ekādaśī · Vikram 2058 Jaya · Śaka 1923 Vṛṣa"},"festivals":[{"id":"indira-ekadashi","name":"Indirā Ekādaśī","name_sanskrit":"इन्दिरा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Falls in Pitṛ Pakṣa; liberates ancestors from naraka.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Bhādrapada"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5},{"id":"simha-sankranti","name":"Siṁha Saṅkrānti","name_sanskrit":"सिंह सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Leo.","vrata":false,"detection":{"sun_rashi":"Siṃha"},"precedence":5}],"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":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","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 September 13, 2001 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"September 13, 2001 CE for Vārāṇasī (Kāśī): Kṛṣṇa Ekādaśī, sūryodaya 05:42, sūryāsta 18:04.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/2001-09-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/2001-09-13","sa":"https://sa.vidhyamitra.com/city/varanasi/2001-09-13","hi":"https://hi.vidhyamitra.com/city/varanasi/2001-09-13","x-default":"https://vidhyamitra.com/city/varanasi/2001-09-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:47:09.120Z","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":"2026-05-14T15:47:09.121Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:47:09.121Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}