{"id":"vidhyamitra:city-day:vrindavan:2028-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2028-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-04-17","date_display":"April 17, 2028 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":2028,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461878.770833,"kali_year":5130,"ahargana":1873413.2708,"sun":{"sidereal_longitude":3.3668,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":275.5443,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1775,"elapsed_within_tithi_degrees":8.1775},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.5443,"elapsed_within_degrees":8.8776},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.9111},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2028,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461878.770833,"ahargana":1873413.2708,"kali_year":5130,"ayanamsa_lahiri":24.2482,"grahas":{"sun":{"sidereal_longitude":3.3106839999999806,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":277.1643839999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false,"latitude":-0.1573},"mars":{"sidereal_longitude":357.089784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":8.521784000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":144.219084,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":45.863684000000035,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":6.267683999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":277.5494,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":97.5494,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2028,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461878.770833,"kali_year":5130,"ahargana":1873413.2708,"sun":{"sidereal_longitude":3.3668,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":275.5443,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":23,"name":"Aṣṭamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Aṣṭamī","elongation_degrees":272.1775,"elapsed_within_tithi_degrees":8.1775},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.5443,"elapsed_within_degrees":8.8776},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.9111},"karana":{"half_tithi_index":45,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.157,"elongation":87.823},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.157,"opposition_distance":92.177}},"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":"05:53","sunsetLocal":"18:45","solarNoonLocal":"12:19","dayLengthHours":12.875953684736395,"dayLengthDisplay":"12 Hours 52 Mins 33 Secs","nightLengthDisplay":"11 Hours 07 Mins 27 Secs","moonriseLocal":"01:15","moonsetLocal":"11:54","rahuKala":{"name":"Rāhu Kāla","start":"07:29","end":"09:06","startHours":7.489829885228356,"endHours":9.099324095820405,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:43","end":"12:19","startHours":10.708818306412454,"endHours":12.318312517004504,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:56","end":"15:32","startHours":13.927806727596554,"endHours":15.537300938188602,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:19","startHours":8.884724867741465,"endHours":9.313923323899346,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:25","end":"06:46","startHours":6.4168337448336565,"endHours":6.7601925097599604,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.889114060846625,"endHours":12.747510973162383,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:01","startHours":4.163541850004787,"endHours":5.021938762320547,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:53","startHours":4.807339534241607,"endHours":5.8803356746363065,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.464304797793902,"endHours":15.322701710109662,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:33","end":"18:57","startHours":18.556289359372702,"endHours":18.9562893593727,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:45","end":"19:18","startHours":18.7562893593727,"endHours":19.29278742957005,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:30","end":"20:15","startHours":18.5062893593727,"endHours":20.2562893593727,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.889114060846623,"endHours":24.747510973162385,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"05:53","end":"07:29","startHours":5.8803356746363065,"endHours":7.489829885228356,"quality":"auspicious"},{"name":"Kāla","start":"07:29","end":"09:06","startHours":7.489829885228356,"endHours":9.099324095820405,"quality":"inauspicious"},{"name":"Śubha","start":"09:06","end":"10:43","startHours":9.099324095820405,"endHours":10.708818306412454,"quality":"auspicious"},{"name":"Roga","start":"10:43","end":"12:19","startHours":10.708818306412454,"endHours":12.318312517004504,"quality":"inauspicious"},{"name":"Udveg","start":"12:19","end":"13:56","startHours":12.318312517004504,"endHours":13.927806727596554,"quality":"inauspicious"},{"name":"Chala","start":"13:56","end":"15:32","startHours":13.927806727596554,"endHours":15.537300938188602,"quality":"neutral"},{"name":"Labha","start":"15:32","end":"17:09","startHours":15.537300938188602,"endHours":17.14679514878065,"quality":"auspicious"},{"name":"Amṛta","start":"17:09","end":"18:45","startHours":17.14679514878065,"endHours":18.7562893593727,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:45","end":"20:09","startHours":18.7562893593727,"endHours":20.14679514878065,"quality":"neutral"},{"name":"Labha","start":"20:09","end":"21:32","startHours":20.14679514878065,"endHours":21.5373009381886,"quality":"auspicious"},{"name":"Amṛta","start":"21:32","end":"22:56","startHours":21.5373009381886,"endHours":22.927806727596554,"quality":"auspicious"},{"name":"Kāla","start":"22:56","end":"00:19","startHours":22.927806727596554,"endHours":24.318312517004504,"quality":"inauspicious"},{"name":"Śubha","start":"00:19","end":"01:43","startHours":24.318312517004504,"endHours":25.708818306412454,"quality":"auspicious"},{"name":"Roga","start":"01:43","end":"03:06","startHours":25.708818306412454,"endHours":27.099324095820407,"quality":"inauspicious"},{"name":"Udveg","start":"03:06","end":"04:29","startHours":27.099324095820407,"endHours":28.489829885228357,"quality":"inauspicious"},{"name":"Chala","start":"04:29","end":"05:53","startHours":28.489829885228357,"endHours":29.880335674636306,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"05:53","end":"06:53","startHours":5.8803356746363065,"endHours":6.8803356746363065,"planetary_lord":"Moon"},{"name":"Hora 2","start":"06:53","end":"07:53","startHours":6.8803356746363065,"endHours":7.8803356746363065,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"07:53","end":"08:53","startHours":7.8803356746363065,"endHours":8.880335674636306,"planetary_lord":"Venus"},{"name":"Hora 4","start":"08:53","end":"09:53","startHours":8.880335674636306,"endHours":9.880335674636306,"planetary_lord":"Sun"},{"name":"Hora 5","start":"09:53","end":"10:53","startHours":9.880335674636306,"endHours":10.880335674636306,"planetary_lord":"Mars"},{"name":"Hora 6","start":"10:53","end":"11:53","startHours":10.880335674636306,"endHours":11.880335674636306,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"11:53","end":"12:53","startHours":11.880335674636306,"endHours":12.880335674636306,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"12:53","end":"13:53","startHours":12.880335674636306,"endHours":13.880335674636306,"planetary_lord":"Moon"},{"name":"Hora 9","start":"13:53","end":"14:53","startHours":13.880335674636306,"endHours":14.880335674636306,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"14:53","end":"15:53","startHours":14.880335674636306,"endHours":15.880335674636306,"planetary_lord":"Venus"},{"name":"Hora 11","start":"15:53","end":"16:53","startHours":15.880335674636306,"endHours":16.880335674636306,"planetary_lord":"Sun"},{"name":"Hora 12","start":"16:53","end":"17:53","startHours":16.880335674636306,"endHours":17.880335674636306,"planetary_lord":"Mars"},{"name":"Hora 13","start":"17:53","end":"18:53","startHours":17.880335674636306,"endHours":18.880335674636306,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"18:53","end":"19:53","startHours":18.880335674636306,"endHours":19.880335674636306,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"19:53","end":"20:53","startHours":19.880335674636306,"endHours":20.880335674636306,"planetary_lord":"Moon"},{"name":"Hora 16","start":"20:53","end":"21:53","startHours":20.880335674636306,"endHours":21.880335674636306,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"21:53","end":"22:53","startHours":21.880335674636306,"endHours":22.880335674636306,"planetary_lord":"Venus"},{"name":"Hora 18","start":"22:53","end":"23:53","startHours":22.880335674636306,"endHours":23.880335674636306,"planetary_lord":"Sun"},{"name":"Hora 19","start":"23:53","end":"00:53","startHours":23.880335674636306,"endHours":24.880335674636306,"planetary_lord":"Mars"},{"name":"Hora 20","start":"00:53","end":"01:53","startHours":24.880335674636306,"endHours":25.880335674636306,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"01:53","end":"02:53","startHours":25.880335674636306,"endHours":26.880335674636306,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"02:53","end":"03:53","startHours":26.880335674636306,"endHours":27.880335674636306,"planetary_lord":"Moon"},{"name":"Hora 23","start":"03:53","end":"04:53","startHours":27.880335674636306,"endHours":28.880335674636306,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"04:53","end":"05:53","startHours":28.880335674636306,"endHours":29.880335674636306,"planetary_lord":"Venus"}],"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":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Rākṣasa","quality":"Inauspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":10.603703626657792,"eotMinutes":0.2640489797298191,"ayanamsa":24.2482}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Aṣṭamī · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"mesha-sankranti","name":"Meṣa Saṅkrānti (Vaiśākhī / Vishu / Pohelā Boishākh / Bihu)","name_sanskrit":"मेष सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Aries; solar new year. Regional: Vaiśākhī (Punjab) · Vishu (Kerala) · Pohelā Boishākh (Bengal) · Bihu (Assam) · Tamil Puthāṇḍu.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":1},{"id":"baisakhi","name":"Baisakhi (Vaiśākhī)","name_sanskrit":"वैशाखी","tradition":"Regional","associated_deity":"Sūrya + Khalsa Pantha (Sikh)","significance":"Punjab New Year + Sikh Khalsa founding day.","vrata":false,"detection":{"sun_rashi":"Meṣa"},"precedence":2}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 April 17, 2028 CE · Vṛndāvana · Vidhyamitra","description":"April 17, 2028 CE for Vṛndāvana: Kṛṣṇa Aṣṭamī, sūryodaya 05:53, sūryāsta 18:45.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2028-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2028-04-17","sa":"https://sa.vidhyamitra.com/city/vrindavan/2028-04-17","hi":"https://hi.vidhyamitra.com/city/vrindavan/2028-04-17","x-default":"https://vidhyamitra.com/city/vrindavan/2028-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:40:52.130Z","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":"2026-05-14T17:40:52.130Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:40:52.130Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}