{"id":"vidhyamitra:city-day:varanasi:2091-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/varanasi/2091-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-09-01","date_display":"September 1, 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":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485025.770833,"kali_year":5193,"ahargana":1896560.2708,"sun":{"sidereal_longitude":132.8756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":350.0042,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1286,"elapsed_within_tithi_degrees":1.1286},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.0042,"elapsed_within_degrees":3.3375},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":122.8798},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2485025.770833,"ahargana":1896560.2708,"kali_year":5193,"ayanamsa_lahiri":25.1335,"grahas":{"sun":{"sidereal_longitude":133.780399,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":347.636099,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false,"latitude":-2.8237},"mars":{"sidereal_longitude":190.07269900000006,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":123.757699,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":256.61289899999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":142.93329900000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":71.52349900000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":131.11,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":311.11,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"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":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2485025.770833,"kali_year":5193,"ahargana":1896560.2708,"sun":{"sidereal_longitude":132.8756,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":350.0042,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":217.1286,"elapsed_within_tithi_degrees":1.1286},"nakshatra":{"number":27,"name":"Revatī","pada":2,"moon_longitude":350.0042,"elapsed_within_degrees":3.3375},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":122.8798},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.824,"elongation":142.871},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.824,"opposition_distance":37.129}},"eclipse_window_40days":[{"offset_days":-17,"type":"solar","occurs":true,"moon_latitude":-1.268,"elongation":0.94},{"offset_days":-3,"type":"lunar","occurs":true,"moon_latitude":-0.052,"opposition_distance":1.943}]},"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":"05:38","sunsetLocal":"18:17","solarNoonLocal":"11:58","dayLengthHours":12.647431256334306,"dayLengthDisplay":"12 Hours 38 Mins 51 Secs","nightLengthDisplay":"11 Hours 21 Mins 09 Secs","moonriseLocal":"20:01","moonsetLocal":"08:25","rahuKala":{"name":"Rāhu Kāla","start":"08:48","end":"10:23","startHours":8.798615222398535,"endHours":10.379544129440323,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:32","end":"15:07","startHours":13.5414019435239,"endHours":15.122330850565687,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:38","end":"07:13","startHours":5.636757408314958,"endHours":7.2176863153567465,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:35","end":"09:01","startHours":8.58782470145963,"endHours":9.009405743337439,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:10","end":"06:30","startHours":6.163733710662221,"endHours":6.500998544164469,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:32","end":"12:23","startHours":11.5388919946043,"endHours":12.38205407835992,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:57","end":"04:48","startHours":3.9504332408037173,"endHours":4.7935953245593375,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:35","end":"05:38","startHours":4.582804803620433,"endHours":5.636757408314958,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:55","startHours":14.068378245871163,"endHours":14.911540329626783,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:05","end":"18:29","startHours":18.084188664649265,"endHours":18.484188664649263,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:17","end":"18:49","startHours":18.284188664649264,"endHours":18.811164966996525,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:02","end":"19:47","startHours":18.034188664649264,"endHours":19.784188664649264,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:32","end":"00:23","startHours":23.5388919946043,"endHours":24.38205407835992,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:38","end":"07:13","startHours":5.636757408314958,"endHours":7.2176863153567465,"quality":"inauspicious"},{"name":"Śubha","start":"07:13","end":"08:48","startHours":7.2176863153567465,"endHours":8.798615222398535,"quality":"auspicious"},{"name":"Roga","start":"08:48","end":"10:23","startHours":8.798615222398535,"endHours":10.379544129440323,"quality":"inauspicious"},{"name":"Udveg","start":"10:23","end":"11:58","startHours":10.379544129440323,"endHours":11.96047303648211,"quality":"inauspicious"},{"name":"Chala","start":"11:58","end":"13:32","startHours":11.96047303648211,"endHours":13.5414019435239,"quality":"neutral"},{"name":"Labha","start":"13:32","end":"15:07","startHours":13.5414019435239,"endHours":15.122330850565687,"quality":"auspicious"},{"name":"Amṛta","start":"15:07","end":"16:42","startHours":15.122330850565687,"endHours":16.703259757607476,"quality":"auspicious"},{"name":"Kāla","start":"16:42","end":"18:17","startHours":16.703259757607476,"endHours":18.284188664649264,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:17","end":"19:42","startHours":18.284188664649264,"endHours":19.703259757607476,"quality":"auspicious"},{"name":"Amṛta","start":"19:42","end":"21:07","startHours":19.703259757607476,"endHours":21.12233085056569,"quality":"auspicious"},{"name":"Kāla","start":"21:07","end":"22:32","startHours":21.12233085056569,"endHours":22.5414019435239,"quality":"inauspicious"},{"name":"Śubha","start":"22:32","end":"23:58","startHours":22.5414019435239,"endHours":23.96047303648211,"quality":"auspicious"},{"name":"Roga","start":"23:58","end":"01:23","startHours":23.96047303648211,"endHours":25.379544129440323,"quality":"inauspicious"},{"name":"Udveg","start":"01:23","end":"02:48","startHours":25.379544129440323,"endHours":26.798615222398535,"quality":"inauspicious"},{"name":"Chala","start":"02:48","end":"04:13","startHours":26.798615222398535,"endHours":28.217686315356744,"quality":"neutral"},{"name":"Labha","start":"04:13","end":"05:38","startHours":28.217686315356744,"endHours":29.636757408314956,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:38","end":"06:38","startHours":5.636757408314958,"endHours":6.636757408314958,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:38","end":"07:38","startHours":6.636757408314958,"endHours":7.636757408314958,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:38","end":"08:38","startHours":7.636757408314958,"endHours":8.636757408314958,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:38","end":"09:38","startHours":8.636757408314958,"endHours":9.636757408314958,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:38","end":"10:38","startHours":9.636757408314958,"endHours":10.636757408314958,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:38","end":"11:38","startHours":10.636757408314958,"endHours":11.636757408314958,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:38","end":"12:38","startHours":11.636757408314958,"endHours":12.636757408314958,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:38","end":"13:38","startHours":12.636757408314958,"endHours":13.636757408314958,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:38","end":"14:38","startHours":13.636757408314958,"endHours":14.636757408314958,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:38","end":"15:38","startHours":14.636757408314958,"endHours":15.636757408314958,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:38","end":"16:38","startHours":15.636757408314958,"endHours":16.636757408314956,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:38","end":"17:38","startHours":16.636757408314956,"endHours":17.636757408314956,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:38","end":"18:38","startHours":17.636757408314956,"endHours":18.636757408314956,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:38","end":"19:38","startHours":18.636757408314956,"endHours":19.636757408314956,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:38","end":"20:38","startHours":19.636757408314956,"endHours":20.636757408314956,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:38","end":"21:38","startHours":20.636757408314956,"endHours":21.636757408314956,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:38","end":"22:38","startHours":21.636757408314956,"endHours":22.636757408314956,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:38","end":"23:38","startHours":22.636757408314956,"endHours":23.636757408314956,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:38","end":"00:38","startHours":23.636757408314956,"endHours":24.636757408314956,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:38","end":"01:38","startHours":24.636757408314956,"endHours":25.636757408314956,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:38","end":"02:38","startHours":25.636757408314956,"endHours":26.636757408314956,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:38","end":"03:38","startHours":26.636757408314956,"endHours":27.636757408314956,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:38","end":"04:38","startHours":27.636757408314956,"endHours":28.636757408314956,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:38","end":"05:38","startHours":28.636757408314956,"endHours":29.636757408314956,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"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":"East","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":8.226829740128887,"eotMinutes":0.47601781107335894,"ayanamsa":25.1335}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Caturthī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 September 1, 2091 CE · Vārāṇasī (Kāśī) · Vidhyamitra","description":"September 1, 2091 CE for Vārāṇasī (Kāśī): Kṛṣṇa Caturthī, sūryodaya 05:38, sūryāsta 18:17.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/varanasi/2091-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/varanasi/2091-09-01","sa":"https://sa.vidhyamitra.com/city/varanasi/2091-09-01","hi":"https://hi.vidhyamitra.com/city/varanasi/2091-09-01","x-default":"https://vidhyamitra.com/city/varanasi/2091-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:41:04.455Z","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":"2026-05-14T16:41:04.455Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:41:04.455Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}