{"id":"vidhyamitra:city-day:vrindavan:2172-09-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2172-09-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2172-09-17","date_display":"September 17, 2172 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":2172,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514626.770833,"kali_year":5274,"ahargana":1926161.2708,"sun":{"sidereal_longitude":147.4286,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":132.8286,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.4,"elapsed_within_tithi_degrees":9.4},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.8286,"elapsed_within_degrees":12.8286},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.2573},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2172,"month":9,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514626.770833,"ahargana":1926161.2708,"kali_year":5274,"ayanamsa_lahiri":26.2656,"grahas":{"sun":{"sidereal_longitude":148.57552299999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":134.79592300000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":3.4396},"mars":{"sidereal_longitude":216.36542299999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":172.54362300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":197.86542299999996,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":111.89932299999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":329.849023,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":2.7065,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":182.7065,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"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":2172,"month":9,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514626.770833,"kali_year":5274,"ahargana":1926161.2708,"sun":{"sidereal_longitude":147.4286,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":132.8286,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":29,"name":"Caturdaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturdaśī","elongation_degrees":345.4,"elapsed_within_tithi_degrees":9.4},"nakshatra":{"number":10,"name":"Maghā","pada":4,"moon_longitude":132.8286,"elapsed_within_degrees":12.8286},"yoga":{"number":22,"name":"Sādhya","sum_longitude":280.2573},"karana":{"half_tithi_index":57,"name":"Śakuni"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.44,"elongation":14.6},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.44,"opposition_distance":165.4}},"eclipse_window_40days":[{"offset_days":15,"type":"lunar","occurs":true,"moon_latitude":-1.458,"opposition_distance":0.906}]},"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":"06:05","sunsetLocal":"18:21","solarNoonLocal":"12:13","dayLengthHours":12.268129500991382,"dayLengthDisplay":"12 Hours 16 Mins 05 Secs","nightLengthDisplay":"11 Hours 43 Mins 55 Secs","moonriseLocal":"05:00","moonsetLocal":"17:36","rahuKala":{"name":"Rāhu Kāla","start":"13:45","end":"15:17","startHours":13.752236791701126,"endHours":15.28575297932505,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:05","end":"07:37","startHours":6.084655853581512,"endHours":7.618172041205435,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:09","end":"10:41","startHours":9.151688228829357,"endHours":10.685204416453281,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:57","end":"09:21","startHours":8.947219403812834,"endHours":9.35615705384588,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:36","end":"06:55","startHours":6.595827916122819,"endHours":6.9229780361492566,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:49","end":"12:38","startHours":11.809782954044158,"endHours":12.62765825411025,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:27","end":"05:16","startHours":4.448905253449327,"endHours":5.26678055351542,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:04","end":"06:05","startHours":5.062311728498897,"endHours":6.084655853581512,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:16","end":"15:05","startHours":14.263408854242432,"endHours":15.081284154308523,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:09","end":"18:33","startHours":18.152785354572895,"endHours":18.552785354572894,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:21","end":"18:52","startHours":18.352785354572895,"endHours":18.863957417114204,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:06","end":"19:51","startHours":18.102785354572895,"endHours":19.852785354572895,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:49","end":"00:38","startHours":23.80978295404416,"endHours":24.62765825411025,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:05","end":"07:37","startHours":6.084655853581512,"endHours":7.618172041205435,"quality":"auspicious"},{"name":"Roga","start":"07:37","end":"09:09","startHours":7.618172041205435,"endHours":9.151688228829357,"quality":"inauspicious"},{"name":"Udveg","start":"09:09","end":"10:41","startHours":9.151688228829357,"endHours":10.685204416453281,"quality":"inauspicious"},{"name":"Chala","start":"10:41","end":"12:13","startHours":10.685204416453281,"endHours":12.218720604077202,"quality":"neutral"},{"name":"Labha","start":"12:13","end":"13:45","startHours":12.218720604077202,"endHours":13.752236791701126,"quality":"auspicious"},{"name":"Amṛta","start":"13:45","end":"15:17","startHours":13.752236791701126,"endHours":15.28575297932505,"quality":"auspicious"},{"name":"Kāla","start":"15:17","end":"16:49","startHours":15.28575297932505,"endHours":16.81926916694897,"quality":"inauspicious"},{"name":"Śubha","start":"16:49","end":"18:21","startHours":16.81926916694897,"endHours":18.352785354572895,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:21","end":"19:49","startHours":18.352785354572895,"endHours":19.81926916694897,"quality":"auspicious"},{"name":"Kāla","start":"19:49","end":"21:17","startHours":19.81926916694897,"endHours":21.28575297932505,"quality":"inauspicious"},{"name":"Śubha","start":"21:17","end":"22:45","startHours":21.28575297932505,"endHours":22.752236791701126,"quality":"auspicious"},{"name":"Roga","start":"22:45","end":"00:13","startHours":22.752236791701126,"endHours":24.218720604077205,"quality":"inauspicious"},{"name":"Udveg","start":"00:13","end":"01:41","startHours":24.218720604077205,"endHours":25.68520441645328,"quality":"inauspicious"},{"name":"Chala","start":"01:41","end":"03:09","startHours":25.68520441645328,"endHours":27.151688228829357,"quality":"neutral"},{"name":"Labha","start":"03:09","end":"04:37","startHours":27.151688228829357,"endHours":28.618172041205433,"quality":"auspicious"},{"name":"Amṛta","start":"04:37","end":"06:05","startHours":28.618172041205433,"endHours":30.084655853581513,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:05","end":"07:05","startHours":6.084655853581512,"endHours":7.084655853581512,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:05","end":"08:05","startHours":7.084655853581512,"endHours":8.084655853581513,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:05","end":"09:05","startHours":8.084655853581513,"endHours":9.084655853581513,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:05","end":"10:05","startHours":9.084655853581513,"endHours":10.084655853581513,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:05","end":"11:05","startHours":10.084655853581513,"endHours":11.084655853581513,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:05","end":"12:05","startHours":11.084655853581513,"endHours":12.084655853581513,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:05","end":"13:05","startHours":12.084655853581513,"endHours":13.084655853581513,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:05","end":"14:05","startHours":13.084655853581513,"endHours":14.084655853581513,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:05","end":"15:05","startHours":14.084655853581513,"endHours":15.084655853581513,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:05","end":"16:05","startHours":15.084655853581513,"endHours":16.084655853581513,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:05","end":"17:05","startHours":16.084655853581513,"endHours":17.084655853581513,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:05","end":"18:05","startHours":17.084655853581513,"endHours":18.084655853581513,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:05","end":"19:05","startHours":18.084655853581513,"endHours":19.084655853581513,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:05","end":"20:05","startHours":19.084655853581513,"endHours":20.084655853581513,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:05","end":"21:05","startHours":20.084655853581513,"endHours":21.084655853581513,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:05","end":"22:05","startHours":21.084655853581513,"endHours":22.084655853581513,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:05","end":"23:05","startHours":22.084655853581513,"endHours":23.084655853581513,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:05","end":"00:05","startHours":23.084655853581513,"endHours":24.084655853581513,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:05","end":"01:05","startHours":24.084655853581513,"endHours":25.084655853581513,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:05","end":"02:05","startHours":25.084655853581513,"endHours":26.084655853581513,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:05","end":"03:05","startHours":26.084655853581513,"endHours":27.084655853581513,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:05","end":"04:05","startHours":27.084655853581513,"endHours":28.084655853581513,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:05","end":"05:05","startHours":28.084655853581513,"endHours":29.084655853581513,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:05","end":"06:05","startHours":29.084655853581513,"endHours":30.084655853581513,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":2.04951859332095,"eotMinutes":6.239563755367786,"ayanamsa":26.2656}},"calendars":{"vikram_samvat":2229,"vikram_samvatsara":"Pārthiva","saka_samvat":2094,"saka_samvatsara":"Aṅgirasa","bengali_samvat":1579,"malayalam_era":1348,"nanakshahi_year":703,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada (Adhika) Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":true,"lunar_month_purnimanta_is_adhika":true,"lunar_month_amanta_is_adhika":true,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada (Adhika) Kṛṣṇa Caturdaśī · Vikram 2229 Pārthiva · Śaka 2094 Aṅgirasa"},"festivals":[{"id":"masika-shivaratri","name":"Māsika Śivarātri","name_sanskrit":"मासिक शिवरात्रि","tradition":"Shaiva","associated_deity":"Śiva","significance":"Monthly Śiva observance.","vrata":true,"detection":{"tithi_number":29,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 17, 2172 CE · Vṛndāvana · Vidhyamitra","description":"September 17, 2172 CE for Vṛndāvana: Kṛṣṇa Caturdaśī, sūryodaya 06:05, sūryāsta 18:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2172-09-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2172-09-17","sa":"https://sa.vidhyamitra.com/city/vrindavan/2172-09-17","hi":"https://hi.vidhyamitra.com/city/vrindavan/2172-09-17","x-default":"https://vidhyamitra.com/city/vrindavan/2172-09-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T06:34:50.404Z","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":"2026-06-02T06:34:50.404Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T06:34:50.404Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}