{"id":"vidhyamitra:city-day:vrindavan:2021-09-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2021-09-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2021-09-01","date_display":"September 1, 2021 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":2021,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459458.770833,"kali_year":5123,"ahargana":1870993.2708,"sun":{"sidereal_longitude":133.948,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":63.5421,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.5941,"elapsed_within_tithi_degrees":1.5941},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.5421,"elapsed_within_degrees":10.2088},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.4901},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2021,"month":9,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2459458.770833,"ahargana":1870993.2708,"kali_year":5123,"ayanamsa_lahiri":24.1557,"grahas":{"sun":{"sidereal_longitude":134.68674599999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":63.595146,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":1.3721},"mars":{"sidereal_longitude":146.53114600000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":158.07234600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":301.488746,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":174.16934600000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":284.0044459999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":45.7727,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":225.7727,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","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":2021,"month":9,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2459458.770833,"kali_year":5123,"ahargana":1870993.2708,"sun":{"sidereal_longitude":133.948,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":63.5421,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":289.5941,"elapsed_within_tithi_degrees":1.5941},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":63.5421,"elapsed_within_degrees":10.2088},"yoga":{"number":15,"name":"Vajra","sum_longitude":197.4901},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.372,"elongation":70.406},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.372,"opposition_distance":109.594}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"05:58","sunsetLocal":"18:40","solarNoonLocal":"12:19","dayLengthHours":12.706069577129686,"dayLengthDisplay":"12 Hours 42 Mins 22 Secs","nightLengthDisplay":"11 Hours 17 Mins 38 Secs","moonriseLocal":"00:39","moonsetLocal":"14:30","rahuKala":{"name":"Rāhu Kāla","start":"12:19","end":"13:54","startHours":12.31477970314878,"endHours":13.90303840028999,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:33","end":"09:08","startHours":7.550003611725147,"endHours":9.138262308866357,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:44","end":"12:19","startHours":10.72652100600757,"endHours":12.31477970314878,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:56","end":"09:21","startHours":8.926494482580862,"endHours":9.350030135151853,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:29","end":"06:50","startHours":6.491164480297673,"endHours":6.829993002354465,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:44","startHours":11.891244050577788,"endHours":12.738315355719768,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:16","end":"05:07","startHours":4.267602304299978,"endHours":5.114673609441957,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:54","end":"05:58","startHours":4.902905783156462,"endHours":5.961744914583936,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:26","end":"15:17","startHours":14.432457966003728,"endHours":15.279529271145707,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:28","end":"18:52","startHours":18.46781449171362,"endHours":18.86781449171362,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:40","end":"19:12","startHours":18.66781449171362,"endHours":19.19723405742736,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:25","end":"20:10","startHours":18.41781449171362,"endHours":20.16781449171362,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:44","startHours":23.89124405057779,"endHours":24.73831535571977,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:58","end":"07:33","startHours":5.961744914583936,"endHours":7.550003611725147,"quality":"auspicious"},{"name":"Amṛta","start":"07:33","end":"09:08","startHours":7.550003611725147,"endHours":9.138262308866357,"quality":"auspicious"},{"name":"Kāla","start":"09:08","end":"10:44","startHours":9.138262308866357,"endHours":10.72652100600757,"quality":"inauspicious"},{"name":"Śubha","start":"10:44","end":"12:19","startHours":10.72652100600757,"endHours":12.31477970314878,"quality":"auspicious"},{"name":"Roga","start":"12:19","end":"13:54","startHours":12.31477970314878,"endHours":13.90303840028999,"quality":"inauspicious"},{"name":"Udveg","start":"13:54","end":"15:29","startHours":13.90303840028999,"endHours":15.4912970974312,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"17:05","startHours":15.4912970974312,"endHours":17.07955579457241,"quality":"neutral"},{"name":"Labha","start":"17:05","end":"18:40","startHours":17.07955579457241,"endHours":18.66781449171362,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:40","end":"20:05","startHours":18.66781449171362,"endHours":20.07955579457241,"quality":"inauspicious"},{"name":"Chala","start":"20:05","end":"21:29","startHours":20.07955579457241,"endHours":21.4912970974312,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"22:54","startHours":21.4912970974312,"endHours":22.903038400289986,"quality":"auspicious"},{"name":"Amṛta","start":"22:54","end":"00:19","startHours":22.903038400289986,"endHours":24.31477970314878,"quality":"auspicious"},{"name":"Kāla","start":"00:19","end":"01:44","startHours":24.31477970314878,"endHours":25.726521006007566,"quality":"inauspicious"},{"name":"Śubha","start":"01:44","end":"03:08","startHours":25.726521006007566,"endHours":27.138262308866356,"quality":"auspicious"},{"name":"Roga","start":"03:08","end":"04:33","startHours":27.138262308866356,"endHours":28.550003611725145,"quality":"inauspicious"},{"name":"Udveg","start":"04:33","end":"05:58","startHours":28.550003611725145,"endHours":29.961744914583935,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:58","end":"06:58","startHours":5.961744914583936,"endHours":6.961744914583936,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:58","end":"07:58","startHours":6.961744914583936,"endHours":7.961744914583936,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:58","end":"08:58","startHours":7.961744914583936,"endHours":8.961744914583935,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:58","end":"09:58","startHours":8.961744914583935,"endHours":9.961744914583935,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:58","end":"10:58","startHours":9.961744914583935,"endHours":10.961744914583935,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:58","end":"11:58","startHours":10.961744914583935,"endHours":11.961744914583935,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:58","end":"12:58","startHours":11.961744914583935,"endHours":12.961744914583935,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:58","end":"13:58","startHours":12.961744914583935,"endHours":13.961744914583935,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:58","end":"14:58","startHours":13.961744914583935,"endHours":14.961744914583935,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:58","end":"15:58","startHours":14.961744914583935,"endHours":15.961744914583935,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:58","end":"16:58","startHours":15.961744914583935,"endHours":16.961744914583935,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:58","end":"17:58","startHours":16.961744914583935,"endHours":17.961744914583935,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:58","end":"18:58","startHours":17.961744914583935,"endHours":18.961744914583935,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:58","end":"19:58","startHours":18.961744914583935,"endHours":19.961744914583935,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:58","end":"20:58","startHours":19.961744914583935,"endHours":20.961744914583935,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:58","end":"21:58","startHours":20.961744914583935,"endHours":21.961744914583935,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:58","end":"22:58","startHours":21.961744914583935,"endHours":22.961744914583935,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:58","end":"23:58","startHours":22.961744914583935,"endHours":23.961744914583935,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:58","end":"00:58","startHours":23.961744914583935,"endHours":24.961744914583935,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:58","end":"01:58","startHours":24.961744914583935,"endHours":25.961744914583935,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:58","end":"02:58","startHours":25.961744914583935,"endHours":26.961744914583935,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:58","end":"03:58","startHours":26.961744914583935,"endHours":27.961744914583935,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:58","end":"04:58","startHours":27.961744914583935,"endHours":28.961744914583935,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:58","end":"05:58","startHours":28.961744914583935,"endHours":29.961744914583935,"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":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Mṛtyu","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":8.253616158106547,"eotMinutes":0.47601781107335894,"ayanamsa":24.1557}},"calendars":{"vikram_samvat":2078,"vikram_samvatsara":"Ānanda","saka_samvat":1943,"saka_samvatsara":"Plava","bengali_samvat":1428,"malayalam_era":1197,"nanakshahi_year":552,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Daśamī · Vikram 2078 Ānanda · Śaka 1943 Plava"},"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}],"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":"vrindavan"},"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, 2021 CE · Vṛndāvana · Vidhyamitra","description":"September 1, 2021 CE for Vṛndāvana: Kṛṣṇa Daśamī, sūryodaya 05:58, sūryāsta 18:40.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2021-09-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2021-09-01","sa":"https://sa.vidhyamitra.com/city/vrindavan/2021-09-01","hi":"https://hi.vidhyamitra.com/city/vrindavan/2021-09-01","x-default":"https://vidhyamitra.com/city/vrindavan/2021-09-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:26:05.689Z","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":"2026-05-14T17:26:05.689Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:26:05.689Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}