{"id":"vidhyamitra:city-day:vrindavan:2155-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2155-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-12-17","date_display":"December 17, 2155 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":2155,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508507.770833,"kali_year":5257,"ahargana":1920042.2708,"sun":{"sidereal_longitude":237.987,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.2981,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.3111,"elapsed_within_tithi_degrees":8.3111},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.2981,"elapsed_within_degrees":3.6314},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.285},"karana":{"half_tithi_index":45,"name":"Kaulava"},"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":2155,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508507.770833,"ahargana":1920042.2708,"kali_year":5257,"ayanamsa_lahiri":26.0316,"grahas":{"sun":{"sidereal_longitude":238.74881400000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":147.86521400000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-0.2648},"mars":{"sidereal_longitude":272.61021400000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":235.685514,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":68.713214,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":276.39001400000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":143.016214,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":326.9206,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":146.9206,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"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":2155,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508507.770833,"kali_year":5257,"ahargana":1920042.2708,"sun":{"sidereal_longitude":237.987,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":150.2981,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.3111,"elapsed_within_tithi_degrees":8.3111},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":150.2981,"elapsed_within_degrees":3.6314},"yoga":{"number":3,"name":"Āyuṣmān","sum_longitude":28.285},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.265,"elongation":87.689},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.265,"opposition_distance":92.311}},"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":"07:04","sunsetLocal":"17:28","solarNoonLocal":"12:16","dayLengthHours":10.404660048825527,"dayLengthDisplay":"10 Hours 24 Mins 17 Secs","nightLengthDisplay":"13 Hours 35 Mins 43 Secs","moonriseLocal":"00:05","moonsetLocal":"12:20","rahuKala":{"name":"Rāhu Kāla","start":"12:16","end":"13:34","startHours":12.26849051871486,"endHours":13.569073024818051,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:22","end":"09:40","startHours":8.366743000405288,"endHours":9.66732550650848,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:58","end":"12:16","startHours":10.96790801261167,"endHours":12.26849051871486,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:30","end":"09:50","startHours":9.49391450569472,"endHours":9.840736507322237,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:30","end":"07:47","startHours":7.499687996336494,"endHours":7.777145597638508,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:55","end":"12:37","startHours":11.921668517087342,"endHours":12.615312520342377,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:41","end":"06:22","startHours":5.678872487792027,"endHours":6.372516491047062,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:12","end":"07:04","startHours":6.199105490233303,"endHours":7.066160494302097,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:00","end":"14:42","startHours":14.002600526852447,"endHours":14.696244530107482,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:16","end":"17:40","startHours":17.270820543127623,"endHours":17.670820543127622,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:28","end":"17:54","startHours":17.470820543127623,"endHours":17.90434804516202,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:13","end":"18:58","startHours":17.220820543127623,"endHours":18.970820543127623,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:55","end":"00:37","startHours":23.92166851708734,"endHours":24.61531252034238,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:04","end":"08:22","startHours":7.066160494302097,"endHours":8.366743000405288,"quality":"auspicious"},{"name":"Amṛta","start":"08:22","end":"09:40","startHours":8.366743000405288,"endHours":9.66732550650848,"quality":"auspicious"},{"name":"Kāla","start":"09:40","end":"10:58","startHours":9.66732550650848,"endHours":10.96790801261167,"quality":"inauspicious"},{"name":"Śubha","start":"10:58","end":"12:16","startHours":10.96790801261167,"endHours":12.26849051871486,"quality":"auspicious"},{"name":"Roga","start":"12:16","end":"13:34","startHours":12.26849051871486,"endHours":13.569073024818051,"quality":"inauspicious"},{"name":"Udveg","start":"13:34","end":"14:52","startHours":13.569073024818051,"endHours":14.869655530921243,"quality":"inauspicious"},{"name":"Chala","start":"14:52","end":"16:10","startHours":14.869655530921243,"endHours":16.170238037024433,"quality":"neutral"},{"name":"Labha","start":"16:10","end":"17:28","startHours":16.170238037024433,"endHours":17.470820543127623,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:28","end":"19:10","startHours":17.470820543127623,"endHours":19.170238037024433,"quality":"inauspicious"},{"name":"Chala","start":"19:10","end":"20:52","startHours":19.170238037024433,"endHours":20.869655530921243,"quality":"neutral"},{"name":"Labha","start":"20:52","end":"22:34","startHours":20.869655530921243,"endHours":22.56907302481805,"quality":"auspicious"},{"name":"Amṛta","start":"22:34","end":"00:16","startHours":22.56907302481805,"endHours":24.26849051871486,"quality":"auspicious"},{"name":"Kāla","start":"00:16","end":"01:58","startHours":24.26849051871486,"endHours":25.96790801261167,"quality":"inauspicious"},{"name":"Śubha","start":"01:58","end":"03:40","startHours":25.96790801261167,"endHours":27.667325506508476,"quality":"auspicious"},{"name":"Roga","start":"03:40","end":"05:22","startHours":27.667325506508476,"endHours":29.366743000405286,"quality":"inauspicious"},{"name":"Udveg","start":"05:22","end":"07:04","startHours":29.366743000405286,"endHours":31.066160494302096,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:04","end":"08:04","startHours":7.066160494302097,"endHours":8.066160494302096,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:04","end":"09:04","startHours":8.066160494302096,"endHours":9.066160494302096,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:04","end":"10:04","startHours":9.066160494302096,"endHours":10.066160494302096,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:04","end":"11:04","startHours":10.066160494302096,"endHours":11.066160494302096,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:04","end":"12:04","startHours":11.066160494302096,"endHours":12.066160494302096,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:04","end":"13:04","startHours":12.066160494302096,"endHours":13.066160494302096,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:04","end":"14:04","startHours":13.066160494302096,"endHours":14.066160494302096,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:04","end":"15:04","startHours":14.066160494302096,"endHours":15.066160494302096,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:04","end":"16:04","startHours":15.066160494302096,"endHours":16.066160494302096,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:04","end":"17:04","startHours":16.066160494302096,"endHours":17.066160494302096,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:04","end":"18:04","startHours":17.066160494302096,"endHours":18.066160494302096,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:04","end":"19:04","startHours":18.066160494302096,"endHours":19.066160494302096,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:04","end":"20:04","startHours":19.066160494302096,"endHours":20.066160494302096,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:04","end":"21:04","startHours":20.066160494302096,"endHours":21.066160494302096,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:04","end":"22:04","startHours":21.066160494302096,"endHours":22.066160494302096,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:04","end":"23:04","startHours":22.066160494302096,"endHours":23.066160494302096,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:04","end":"00:04","startHours":23.066160494302096,"endHours":24.066160494302096,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:04","end":"01:04","startHours":24.066160494302096,"endHours":25.066160494302096,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:04","end":"02:04","startHours":25.066160494302096,"endHours":26.066160494302096,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:04","end":"03:04","startHours":26.066160494302096,"endHours":27.066160494302096,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:04","end":"04:04","startHours":27.066160494302096,"endHours":28.066160494302096,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:04","end":"05:04","startHours":28.066160494302096,"endHours":29.066160494302096,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:04","end":"06:04","startHours":29.066160494302096,"endHours":30.066160494302096,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:04","end":"07:04","startHours":30.066160494302096,"endHours":31.066160494302096,"planetary_lord":"Sun"}],"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":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.33354806264712,"eotMinutes":3.253368877108411,"ayanamsa":26.0316}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Aṣṭamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[],"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":[{"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 December 17, 2155 CE · Vṛndāvana · Vidhyamitra","description":"December 17, 2155 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 07:04, sūryāsta 17:28.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2155-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2155-12-17","sa":"https://sa.vidhyamitra.com/city/vrindavan/2155-12-17","hi":"https://hi.vidhyamitra.com/city/vrindavan/2155-12-17","x-default":"https://vidhyamitra.com/city/vrindavan/2155-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T13:22:54.622Z","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":"2026-05-31T13:22:54.622Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T13:22:54.622Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}