{"id":"vidhyamitra:city-day:vrindavan:2011-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2011-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2011-09-20","date_display":"September 20, 2011 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":2011,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455824.770833,"kali_year":5113,"ahargana":1867359.2708,"sun":{"sidereal_longitude":151.9655,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":59.9099,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.9443,"elapsed_within_tithi_degrees":3.9443},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.9099,"elapsed_within_degrees":6.5765},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.8754},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":2011,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2455824.770833,"ahargana":1867359.2708,"kali_year":5113,"ayanamsa_lahiri":24.0167,"grahas":{"sun":{"sidereal_longitude":152.72889199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":56.72149200000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":2},"retrograde":false,"latitude":-0.1248},"mars":{"sidereal_longitude":96.372792,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":145.00019199999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":15.51849199999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":true},"venus":{"sidereal_longitude":161.97849199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":173.02979200000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":238.3195,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.3195,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2011,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2455824.770833,"kali_year":5113,"ahargana":1867359.2708,"sun":{"sidereal_longitude":151.9655,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":59.9099,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":267.9443,"elapsed_within_tithi_degrees":3.9443},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":2,"moon_longitude":59.9099,"elapsed_within_degrees":6.5765},"yoga":{"number":16,"name":"Siddhi","sum_longitude":211.8754},"karana":{"half_tithi_index":44,"name":"Bālava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.125,"elongation":92.056},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.125,"opposition_distance":87.944}},"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":"06:06","sunsetLocal":"18:18","solarNoonLocal":"12:12","dayLengthHours":12.215410027308632,"dayLengthDisplay":"12 Hours 12 Mins 55 Secs","nightLengthDisplay":"11 Hours 47 Mins 05 Secs","moonriseLocal":"22:54","moonsetLocal":"12:42","rahuKala":{"name":"Rāhu Kāla","start":"15:15","end":"16:47","startHours":15.254117260801252,"endHours":16.781043514214833,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:09","end":"10:40","startHours":9.146412247146937,"endHours":10.673338500560515,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:12","end":"13:44","startHours":12.200264753974096,"endHours":13.727191007387674,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.942822080025127,"endHours":9.350002414268747,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:56","startHours":6.601535158124306,"endHours":6.9272794255192025,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:48","end":"12:36","startHours":11.793084419730473,"endHours":12.607445088217716,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:28","end":"05:17","startHours":4.463838403345295,"endHours":5.278199071832537,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:06","startHours":5.074608904710727,"endHours":6.092559740319779,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:14","end":"15:03","startHours":14.236166425192199,"endHours":15.05052709367944,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:06","end":"18:30","startHours":18.10796976762841,"endHours":18.50796976762841,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:18","end":"18:49","startHours":18.30796976762841,"endHours":18.816945185432935,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:03","end":"19:48","startHours":18.05796976762841,"endHours":19.80796976762841,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:48","end":"00:36","startHours":23.793084419730476,"endHours":24.607445088217716,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:06","end":"07:37","startHours":6.092559740319779,"endHours":7.619485993733358,"quality":"inauspicious"},{"name":"Udveg","start":"07:37","end":"09:09","startHours":7.619485993733358,"endHours":9.146412247146937,"quality":"inauspicious"},{"name":"Chala","start":"09:09","end":"10:40","startHours":9.146412247146937,"endHours":10.673338500560515,"quality":"neutral"},{"name":"Labha","start":"10:40","end":"12:12","startHours":10.673338500560515,"endHours":12.200264753974096,"quality":"auspicious"},{"name":"Amṛta","start":"12:12","end":"13:44","startHours":12.200264753974096,"endHours":13.727191007387674,"quality":"auspicious"},{"name":"Kāla","start":"13:44","end":"15:15","startHours":13.727191007387674,"endHours":15.254117260801252,"quality":"inauspicious"},{"name":"Śubha","start":"15:15","end":"16:47","startHours":15.254117260801252,"endHours":16.781043514214833,"quality":"auspicious"},{"name":"Roga","start":"16:47","end":"18:18","startHours":16.781043514214833,"endHours":18.30796976762841,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:18","end":"19:47","startHours":18.30796976762841,"endHours":19.781043514214833,"quality":"inauspicious"},{"name":"Śubha","start":"19:47","end":"21:15","startHours":19.781043514214833,"endHours":21.25411726080125,"quality":"auspicious"},{"name":"Roga","start":"21:15","end":"22:44","startHours":21.25411726080125,"endHours":22.727191007387674,"quality":"inauspicious"},{"name":"Udveg","start":"22:44","end":"00:12","startHours":22.727191007387674,"endHours":24.200264753974096,"quality":"inauspicious"},{"name":"Chala","start":"00:12","end":"01:40","startHours":24.200264753974096,"endHours":25.673338500560515,"quality":"neutral"},{"name":"Labha","start":"01:40","end":"03:09","startHours":25.673338500560515,"endHours":27.146412247146937,"quality":"auspicious"},{"name":"Amṛta","start":"03:09","end":"04:37","startHours":27.146412247146937,"endHours":28.619485993733356,"quality":"auspicious"},{"name":"Kāla","start":"04:37","end":"06:06","startHours":28.619485993733356,"endHours":30.09255974031978,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:06","end":"07:06","startHours":6.092559740319779,"endHours":7.092559740319779,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:06","end":"08:06","startHours":7.092559740319779,"endHours":8.092559740319778,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:06","end":"09:06","startHours":8.092559740319778,"endHours":9.092559740319778,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:06","end":"10:06","startHours":9.092559740319778,"endHours":10.092559740319778,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:06","end":"11:06","startHours":10.092559740319778,"endHours":11.092559740319778,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:06","end":"12:06","startHours":11.092559740319778,"endHours":12.092559740319778,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:06","end":"13:06","startHours":12.092559740319778,"endHours":13.092559740319778,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:06","end":"14:06","startHours":13.092559740319778,"endHours":14.092559740319778,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:06","end":"15:06","startHours":14.092559740319778,"endHours":15.092559740319778,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:06","end":"16:06","startHours":15.092559740319778,"endHours":16.09255974031978,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:06","end":"17:06","startHours":16.09255974031978,"endHours":17.09255974031978,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:06","end":"18:06","startHours":17.09255974031978,"endHours":18.09255974031978,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:06","end":"19:06","startHours":18.09255974031978,"endHours":19.09255974031978,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:06","end":"20:06","startHours":19.09255974031978,"endHours":20.09255974031978,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:06","end":"21:06","startHours":20.09255974031978,"endHours":21.09255974031978,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:06","end":"22:06","startHours":21.09255974031978,"endHours":22.09255974031978,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:06","end":"23:06","startHours":22.09255974031978,"endHours":23.09255974031978,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:06","end":"00:06","startHours":23.09255974031978,"endHours":24.09255974031978,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:06","end":"01:06","startHours":24.09255974031978,"endHours":25.09255974031978,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:06","end":"02:06","startHours":25.09255974031978,"endHours":26.09255974031978,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:06","end":"03:06","startHours":26.09255974031978,"endHours":27.09255974031978,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:06","end":"04:06","startHours":27.09255974031978,"endHours":28.09255974031978,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:06","end":"05:06","startHours":28.09255974031978,"endHours":29.09255974031978,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:06","end":"06:06","startHours":29.09255974031978,"endHours":30.09255974031978,"planetary_lord":"Saturn"}],"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":"North","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":1.2937977627754829,"eotMinutes":7.346914761554353,"ayanamsa":24.0167}},"calendars":{"vikram_samvat":2068,"vikram_samvatsara":"Krodhi","saka_samvat":1933,"saka_samvatsara":"Khara","bengali_samvat":1418,"malayalam_era":1187,"nanakshahi_year":542,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Aṣṭamī · Vikram 2068 Krodhi · Śaka 1933 Khara"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Kṛṣṇa Aṣṭamī","url":"/day/-3226-07-09","relevance":0.5}]},"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 20, 2011 CE · Vṛndāvana · Vidhyamitra","description":"September 20, 2011 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 06:06, sūryāsta 18:18.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2011-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2011-09-20","sa":"https://sa.vidhyamitra.com/city/vrindavan/2011-09-20","hi":"https://hi.vidhyamitra.com/city/vrindavan/2011-09-20","x-default":"https://vidhyamitra.com/city/vrindavan/2011-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T14:01:11.020Z","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":"2026-05-17T14:01:11.020Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T14:01:11.020Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}