{"id":"vidhyamitra:city-day:noida:2091-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/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":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:58","sunsetLocal":"18:42","solarNoonLocal":"12:20","dayLengthHours":12.729429656679276,"dayLengthDisplay":"12 Hours 43 Mins 46 Secs","nightLengthDisplay":"11 Hours 16 Mins 14 Secs","moonriseLocal":"20:22","moonsetLocal":"08:49","rahuKala":{"name":"Rāhu Kāla","start":"09:09","end":"10:44","startHours":9.150308955645624,"endHours":10.741487662730535,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:55","end":"15:31","startHours":13.923845076900353,"endHours":15.515023783985264,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:58","end":"07:34","startHours":5.967951541475805,"endHours":7.559130248560715,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:22","startHours":8.93815179470097,"endHours":9.362466116590278,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:30","end":"06:50","startHours":6.498344443837441,"endHours":6.837795901348889,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:45","startHours":11.908352047926135,"endHours":12.756980691704753,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:07","startHours":4.270694253918569,"endHours":5.119322897697186,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:58","startHours":4.907165736752532,"endHours":5.967951541475805,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:18","startHours":14.45423797926199,"endHours":15.302866623040607,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:30","end":"18:54","startHours":18.497381198155082,"endHours":18.89738119815508,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:42","end":"19:14","startHours":18.69738119815508,"endHours":19.22777410051672,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:27","end":"20:12","startHours":18.44738119815508,"endHours":20.19738119815508,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:45","startHours":23.908352047926133,"endHours":24.75698069170475,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:58","end":"07:34","startHours":5.967951541475805,"endHours":7.559130248560715,"quality":"inauspicious"},{"name":"Śubha","start":"07:34","end":"09:09","startHours":7.559130248560715,"endHours":9.150308955645624,"quality":"auspicious"},{"name":"Roga","start":"09:09","end":"10:44","startHours":9.150308955645624,"endHours":10.741487662730535,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:20","startHours":10.741487662730535,"endHours":12.332666369815442,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:55","startHours":12.332666369815442,"endHours":13.923845076900353,"quality":"neutral"},{"name":"Labha","start":"13:55","end":"15:31","startHours":13.923845076900353,"endHours":15.515023783985264,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"17:06","startHours":15.515023783985264,"endHours":17.10620249107017,"quality":"auspicious"},{"name":"Kāla","start":"17:06","end":"18:42","startHours":17.10620249107017,"endHours":18.69738119815508,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:42","end":"20:06","startHours":18.69738119815508,"endHours":20.10620249107017,"quality":"auspicious"},{"name":"Amṛta","start":"20:06","end":"21:31","startHours":20.10620249107017,"endHours":21.515023783985264,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"22:55","startHours":21.515023783985264,"endHours":22.923845076900353,"quality":"inauspicious"},{"name":"Śubha","start":"22:55","end":"00:20","startHours":22.923845076900353,"endHours":24.332666369815442,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:44","startHours":24.332666369815442,"endHours":25.741487662730535,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:09","startHours":25.741487662730535,"endHours":27.150308955645624,"quality":"inauspicious"},{"name":"Chala","start":"03:09","end":"04:34","startHours":27.150308955645624,"endHours":28.559130248560713,"quality":"neutral"},{"name":"Labha","start":"04:34","end":"05:58","startHours":28.559130248560713,"endHours":29.967951541475806,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.967951541475805,"endHours":6.967951541475805,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.967951541475805,"endHours":7.967951541475805,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.967951541475805,"endHours":8.967951541475806,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.967951541475806,"endHours":9.967951541475806,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.967951541475806,"endHours":10.967951541475806,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.967951541475806,"endHours":11.967951541475806,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.967951541475806,"endHours":12.967951541475806,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.967951541475806,"endHours":13.967951541475806,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.967951541475806,"endHours":14.967951541475806,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.967951541475806,"endHours":15.967951541475806,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.967951541475806,"endHours":16.967951541475806,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.967951541475806,"endHours":17.967951541475806,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.967951541475806,"endHours":18.967951541475806,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.967951541475806,"endHours":19.967951541475806,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.967951541475806,"endHours":20.967951541475806,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.967951541475806,"endHours":21.967951541475806,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.967951541475806,"endHours":22.967951541475806,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.967951541475806,"endHours":23.967951541475806,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.967951541475806,"endHours":24.967951541475806,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.967951541475806,"endHours":25.967951541475806,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.967951541475806,"endHours":26.967951541475806,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.967951541475806,"endHours":27.967951541475806,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.967951541475806,"endHours":28.967951541475806,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.967951541475806,"endHours":29.967951541475806,"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"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","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","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Caturthī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"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":"noida"},"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 · Noida, Uttar Pradesh · Vidhyamitra","description":"September 1, 2091 CE for Noida, Uttar Pradesh: Kṛṣṇa Caturthī, sūryodaya 05:58, sūryāsta 18:42.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2091-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2091-09-01","sa":"https://sa.vidhyamitra.com/city/noida/2091-09-01","hi":"https://hi.vidhyamitra.com/city/noida/2091-09-01","x-default":"https://vidhyamitra.com/city/noida/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":"2026-05-31T15:14:06.513Z","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":"2026-05-31T15:14:06.513Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T15:14:06.513Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}