{"id":"vidhyamitra:city-day:varanasi:2091-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/2091-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-01-31","date_display":"January 31, 2091 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":2091,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484812.770833,"kali_year":5192,"ahargana":1896347.2708,"sun":{"sidereal_longitude":286.0551,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":53.6996,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.6445,"elapsed_within_tithi_degrees":7.6445},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6996,"elapsed_within_degrees":0.3663},"yoga":{"number":26,"name":"Indra","sum_longitude":339.7548},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2091,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484812.770833,"ahargana":1896347.2708,"kali_year":5192,"ayanamsa_lahiri":25.1254,"grahas":{"sun":{"sidereal_longitude":286.264537,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":53.03603700000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false,"latitude":-4.4988},"mars":{"sidereal_longitude":149.28243700000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":281.0586370000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":254.027337,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":242.86233700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":52.91003699999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":142.3957,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.3957,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"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":2091,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484812.770833,"kali_year":5192,"ahargana":1896347.2708,"sun":{"sidereal_longitude":286.0551,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":53.6996,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":127.6445,"elapsed_within_tithi_degrees":7.6445},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":1,"moon_longitude":53.6996,"elapsed_within_degrees":0.3663},"yoga":{"number":26,"name":"Indra","sum_longitude":339.7548},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.499,"elongation":127.644},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.499,"opposition_distance":52.356}},"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":"06:42","sunsetLocal":"17:42","solarNoonLocal":"12:12","dayLengthHours":10.99598303199172,"dayLengthDisplay":"10 Hours 59 Mins 46 Secs","nightLengthDisplay":"13 Hours 00 Mins 14 Secs","moonriseLocal":"13:50","moonsetLocal":"03:28","rahuKala":{"name":"Rāhu Kāla","start":"12:12","end":"13:34","startHours":12.1938998090307,"endHours":13.568397688029666,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:04","end":"09:27","startHours":8.070406172033806,"endHours":9.44490405103277,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:49","end":"12:12","startHours":10.819401930031734,"endHours":12.1938998090307,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:38","startHours":9.26163766716624,"endHours":9.6281704348993,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:09","end":"07:27","startHours":7.154074252701162,"endHours":7.447300466887608,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:50","end":"12:34","startHours":11.827367041297643,"endHours":12.560432576763757,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:14","end":"05:58","startHours":5.22977722210261,"endHours":5.962842757568725,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:47","end":"06:42","startHours":5.779576373702197,"endHours":6.69590829303484,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:02","end":"14:46","startHours":14.026563647695987,"endHours":14.759629183162101,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:30","end":"17:54","startHours":17.49189132502656,"endHours":17.89189132502656,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:42","end":"18:09","startHours":17.69189132502656,"endHours":18.15005728469288,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:27","end":"19:12","startHours":17.44189132502656,"endHours":19.19189132502656,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:50","end":"00:34","startHours":23.82736704129764,"endHours":24.56043257676376,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:42","end":"08:04","startHours":6.69590829303484,"endHours":8.070406172033806,"quality":"auspicious"},{"name":"Amṛta","start":"08:04","end":"09:27","startHours":8.070406172033806,"endHours":9.44490405103277,"quality":"auspicious"},{"name":"Kāla","start":"09:27","end":"10:49","startHours":9.44490405103277,"endHours":10.819401930031734,"quality":"inauspicious"},{"name":"Śubha","start":"10:49","end":"12:12","startHours":10.819401930031734,"endHours":12.1938998090307,"quality":"auspicious"},{"name":"Roga","start":"12:12","end":"13:34","startHours":12.1938998090307,"endHours":13.568397688029666,"quality":"inauspicious"},{"name":"Udveg","start":"13:34","end":"14:57","startHours":13.568397688029666,"endHours":14.94289556702863,"quality":"inauspicious"},{"name":"Chala","start":"14:57","end":"16:19","startHours":14.94289556702863,"endHours":16.317393446027594,"quality":"neutral"},{"name":"Labha","start":"16:19","end":"17:42","startHours":16.317393446027594,"endHours":17.69189132502656,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:42","end":"19:19","startHours":17.69189132502656,"endHours":19.317393446027594,"quality":"inauspicious"},{"name":"Chala","start":"19:19","end":"20:57","startHours":19.317393446027594,"endHours":20.94289556702863,"quality":"neutral"},{"name":"Labha","start":"20:57","end":"22:34","startHours":20.94289556702863,"endHours":22.568397688029666,"quality":"auspicious"},{"name":"Amṛta","start":"22:34","end":"00:12","startHours":22.568397688029666,"endHours":24.1938998090307,"quality":"auspicious"},{"name":"Kāla","start":"00:12","end":"01:49","startHours":24.1938998090307,"endHours":25.819401930031734,"quality":"inauspicious"},{"name":"Śubha","start":"01:49","end":"03:27","startHours":25.819401930031734,"endHours":27.444904051032772,"quality":"auspicious"},{"name":"Roga","start":"03:27","end":"05:04","startHours":27.444904051032772,"endHours":29.070406172033806,"quality":"inauspicious"},{"name":"Udveg","start":"05:04","end":"06:42","startHours":29.070406172033806,"endHours":30.69590829303484,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:42","end":"07:42","startHours":6.69590829303484,"endHours":7.69590829303484,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:42","end":"08:42","startHours":7.69590829303484,"endHours":8.69590829303484,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:42","end":"09:42","startHours":8.69590829303484,"endHours":9.69590829303484,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:42","end":"10:42","startHours":9.69590829303484,"endHours":10.69590829303484,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:42","end":"11:42","startHours":10.69590829303484,"endHours":11.69590829303484,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:42","end":"12:42","startHours":11.69590829303484,"endHours":12.69590829303484,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:42","end":"13:42","startHours":12.69590829303484,"endHours":13.69590829303484,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:42","end":"14:42","startHours":13.69590829303484,"endHours":14.69590829303484,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:42","end":"15:42","startHours":14.69590829303484,"endHours":15.69590829303484,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:42","end":"16:42","startHours":15.69590829303484,"endHours":16.69590829303484,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:42","end":"17:42","startHours":16.69590829303484,"endHours":17.69590829303484,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:42","end":"18:42","startHours":17.69590829303484,"endHours":18.69590829303484,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:42","end":"19:42","startHours":18.69590829303484,"endHours":19.69590829303484,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:42","end":"20:42","startHours":19.69590829303484,"endHours":20.69590829303484,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:42","end":"21:42","startHours":20.69590829303484,"endHours":21.69590829303484,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:42","end":"22:42","startHours":21.69590829303484,"endHours":22.69590829303484,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:42","end":"23:42","startHours":22.69590829303484,"endHours":23.69590829303484,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:42","end":"00:42","startHours":23.69590829303484,"endHours":24.69590829303484,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:42","end":"01:42","startHours":24.69590829303484,"endHours":25.69590829303484,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:42","end":"02:42","startHours":25.69590829303484,"endHours":26.69590829303484,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:42","end":"03:42","startHours":26.69590829303484,"endHours":27.69590829303484,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:42","end":"04:42","startHours":27.69590829303484,"endHours":28.69590829303484,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:42","end":"05:42","startHours":28.69590829303484,"endHours":29.69590829303484,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:42","end":"06:42","startHours":29.69590829303484,"endHours":30.69590829303484,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","quality":"Inauspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-17.360911202636792,"eotMinutes":-13.52958854184206,"ayanamsa":25.1254}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ekādaśī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2},{"id":"jaya-ekadashi","name":"Jayā Ekādaśī","name_sanskrit":"जया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Removes pretatva (ghost-state); grants victory.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":4},{"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}],"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":[]},"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 January 31, 2091 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"January 31, 2091 CE for Vārāṇasī (Kāśī): Śukla Ekādaśī, sūryodaya 06:42, sūryāsta 17:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/2091-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/2091-01-31","sa":"https://sa.vidhyamitra.com/city/varanasi/2091-01-31","hi":"https://hi.vidhyamitra.com/city/varanasi/2091-01-31","x-default":"https://vidhyamitra.com/city/varanasi/2091-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T12:13:34.841Z","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":"2026-05-14T12:13:34.841Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T12:13:34.841Z","pillar_versions":{"BOB-History":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}