{"id":"vidhyamitra:city-day:vrindavan:2123-10-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2123-10-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2123-10-17","date_display":"October 17, 2123 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":2123,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496758.770833,"kali_year":5225,"ahargana":1908293.2708,"sun":{"sidereal_longitude":176.5765,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":149.1736,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.5971,"elapsed_within_tithi_degrees":8.5971},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.1736,"elapsed_within_degrees":2.5069},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.75},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2123,"month":10,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2496758.770833,"ahargana":1908293.2708,"kali_year":5225,"ayanamsa_lahiri":25.5823,"grahas":{"sun":{"sidereal_longitude":177.61091199999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":149.884612,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-4.4351},"mars":{"sidereal_longitude":223.732712,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":189.701912,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":167.872612,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":200.33301200000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":107.97141199999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":229.4392,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":49.4392,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","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":2123,"month":10,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2496758.770833,"kali_year":5225,"ahargana":1908293.2708,"sun":{"sidereal_longitude":176.5765,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":149.1736,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":332.5971,"elapsed_within_tithi_degrees":8.5971},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.1736,"elapsed_within_degrees":2.5069},"yoga":{"number":25,"name":"Brahma","sum_longitude":325.75},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.435,"elongation":27.403},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.435,"opposition_distance":152.597}},"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":"06:19","sunsetLocal":"17:49","solarNoonLocal":"12:04","dayLengthHours":11.494013626946803,"dayLengthDisplay":"11 Hours 29 Mins 38 Secs","nightLengthDisplay":"12 Hours 30 Mins 22 Secs","moonriseLocal":"04:07","moonsetLocal":"16:20","rahuKala":{"name":"Rāhu Kāla","start":"16:23","end":"17:49","startHours":16.379178117404585,"endHours":17.815929820772936,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:04","end":"13:30","startHours":12.068923007299535,"endHours":13.505674710667884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:57","end":"16:23","startHours":14.942426414036234,"endHours":16.379178117404585,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:23","startHours":9.003852706780387,"endHours":9.38698649434528,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:48","end":"07:06","startHours":6.80083342828225,"endHours":7.107340458334164,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:27","startHours":11.685789219734641,"endHours":12.45205679486443,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:47","end":"05:33","startHours":4.789381043566559,"endHours":5.555648618696346,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:22","end":"06:19","startHours":5.364081724913899,"endHours":6.321916193826133,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:45","startHours":13.984591945124002,"endHours":14.750859520253789,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.615929820772937,"endHours":18.015929820772936,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:18","startHours":17.815929820772936,"endHours":18.294847055229052,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.565929820772936,"endHours":19.315929820772936,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:27","startHours":23.68578921973464,"endHours":24.45205679486443,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:19","end":"07:46","startHours":6.321916193826133,"endHours":7.758667897194483,"quality":"inauspicious"},{"name":"Chala","start":"07:46","end":"09:12","startHours":7.758667897194483,"endHours":9.195419600562833,"quality":"neutral"},{"name":"Labha","start":"09:12","end":"10:38","startHours":9.195419600562833,"endHours":10.632171303931184,"quality":"auspicious"},{"name":"Amṛta","start":"10:38","end":"12:04","startHours":10.632171303931184,"endHours":12.068923007299535,"quality":"auspicious"},{"name":"Kāla","start":"12:04","end":"13:30","startHours":12.068923007299535,"endHours":13.505674710667884,"quality":"inauspicious"},{"name":"Śubha","start":"13:30","end":"14:57","startHours":13.505674710667884,"endHours":14.942426414036234,"quality":"auspicious"},{"name":"Roga","start":"14:57","end":"16:23","startHours":14.942426414036234,"endHours":16.379178117404585,"quality":"inauspicious"},{"name":"Udveg","start":"16:23","end":"17:49","startHours":16.379178117404585,"endHours":17.815929820772936,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:49","end":"19:23","startHours":17.815929820772936,"endHours":19.379178117404585,"quality":"auspicious"},{"name":"Roga","start":"19:23","end":"20:57","startHours":19.379178117404585,"endHours":20.942426414036234,"quality":"inauspicious"},{"name":"Udveg","start":"20:57","end":"22:30","startHours":20.942426414036234,"endHours":22.505674710667886,"quality":"inauspicious"},{"name":"Chala","start":"22:30","end":"00:04","startHours":22.505674710667886,"endHours":24.068923007299535,"quality":"neutral"},{"name":"Labha","start":"00:04","end":"01:38","startHours":24.068923007299535,"endHours":25.632171303931184,"quality":"auspicious"},{"name":"Amṛta","start":"01:38","end":"03:12","startHours":25.632171303931184,"endHours":27.195419600562836,"quality":"auspicious"},{"name":"Kāla","start":"03:12","end":"04:46","startHours":27.195419600562836,"endHours":28.758667897194485,"quality":"inauspicious"},{"name":"Śubha","start":"04:46","end":"06:19","startHours":28.758667897194485,"endHours":30.321916193826134,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:19","end":"07:19","startHours":6.321916193826133,"endHours":7.321916193826133,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:19","end":"08:19","startHours":7.321916193826133,"endHours":8.321916193826134,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:19","end":"09:19","startHours":8.321916193826134,"endHours":9.321916193826134,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:19","end":"10:19","startHours":9.321916193826134,"endHours":10.321916193826134,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:19","end":"11:19","startHours":10.321916193826134,"endHours":11.321916193826134,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:19","end":"12:19","startHours":11.321916193826134,"endHours":12.321916193826134,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:19","end":"13:19","startHours":12.321916193826134,"endHours":13.321916193826134,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:19","end":"14:19","startHours":13.321916193826134,"endHours":14.321916193826134,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:19","end":"15:19","startHours":14.321916193826134,"endHours":15.321916193826134,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:19","end":"16:19","startHours":15.321916193826134,"endHours":16.321916193826134,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:19","end":"17:19","startHours":16.321916193826134,"endHours":17.321916193826134,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:19","end":"18:19","startHours":17.321916193826134,"endHours":18.321916193826134,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:19","end":"19:19","startHours":18.321916193826134,"endHours":19.321916193826134,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:19","end":"20:19","startHours":19.321916193826134,"endHours":20.321916193826134,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:19","end":"21:19","startHours":20.321916193826134,"endHours":21.321916193826134,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:19","end":"22:19","startHours":21.321916193826134,"endHours":22.321916193826134,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:19","end":"23:19","startHours":22.321916193826134,"endHours":23.321916193826134,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:19","end":"00:19","startHours":23.321916193826134,"endHours":24.321916193826134,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:19","end":"01:19","startHours":24.321916193826134,"endHours":25.321916193826134,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:19","end":"02:19","startHours":25.321916193826134,"endHours":26.321916193826134,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:19","end":"03:19","startHours":26.321916193826134,"endHours":27.321916193826134,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:19","end":"04:19","startHours":27.321916193826134,"endHours":28.321916193826134,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:19","end":"05:19","startHours":28.321916193826134,"endHours":29.321916193826134,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:19","end":"06:19","startHours":29.321916193826134,"endHours":30.321916193826134,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","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":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Maitra","quality":"Auspicious"},"tropicalRitu":"Śarad (Autumn) (tropical)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-9.011933369691421,"eotMinutes":15.227419562027912,"ayanamsa":25.5823}},"calendars":{"vikram_samvat":2180,"vikram_samvatsara":"Durmukhi","saka_samvat":2045,"saka_samvatsara":"Subhānu","bengali_samvat":1530,"malayalam_era":1299,"nanakshahi_year":654,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Trayodaśī · Vikram 2180 Durmukhi · Śaka 2045 Subhānu"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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 October 17, 2123 CE · Vṛndāvana · Vidhyamitra","description":"October 17, 2123 CE for Vṛndāvana: Kṛṣṇa Trayodaśī, sūryodaya 06:19, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2123-10-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2123-10-17","sa":"https://sa.vidhyamitra.com/city/vrindavan/2123-10-17","hi":"https://hi.vidhyamitra.com/city/vrindavan/2123-10-17","x-default":"https://vidhyamitra.com/city/vrindavan/2123-10-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:00:54.228Z","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":"2026-06-02T04:00:54.228Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:00:54.228Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}