{"id":"vidhyamitra:city-day:vrindavan:2017-04-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2017-04-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-04-15","date_display":"April 15, 2017 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":2017,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457858.770833,"kali_year":5118,"ahargana":1869393.2708,"sun":{"sidereal_longitude":1.2671,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":226.518,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.2509,"elapsed_within_tithi_degrees":9.2509},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.518,"elapsed_within_degrees":13.1847},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.7851},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":2017,"month":4,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2457858.770833,"ahargana":1869393.2708,"kali_year":5118,"ayanamsa_lahiri":24.0945,"grahas":{"sun":{"sidereal_longitude":1.177377999999976,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":223.12807799999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":4.4755},"mars":{"sidereal_longitude":31.22057799999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":9.455578000000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":172.80517800000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":true},"venus":{"sidereal_longitude":332.59377799999993,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":243.465278,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":130.5484,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":310.5484,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","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":2017,"month":4,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2457858.770833,"kali_year":5118,"ahargana":1869393.2708,"sun":{"sidereal_longitude":1.2671,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":226.518,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":225.2509,"elapsed_within_tithi_degrees":9.2509},"nakshatra":{"number":17,"name":"Anurādhā","pada":4,"moon_longitude":226.518,"elapsed_within_degrees":13.1847},"yoga":{"number":18,"name":"Varīyān","sum_longitude":227.7851},"karana":{"half_tithi_index":37,"name":"Bālava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.476,"elongation":134.749},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.476,"opposition_distance":45.251}},"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":"05:55","sunsetLocal":"18:44","solarNoonLocal":"12:20","dayLengthHours":12.815786513772899,"dayLengthDisplay":"12 Hours 48 Mins 57 Secs","nightLengthDisplay":"11 Hours 11 Mins 03 Secs","moonriseLocal":"21:52","moonsetLocal":"08:23","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:43","startHours":9.122768772520226,"endHours":10.724742086741838,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:56","end":"15:32","startHours":13.928688715185064,"endHours":15.530662029406676,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:55","end":"07:31","startHours":5.9188221440770015,"endHours":7.520795458298614,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:55","end":"09:20","startHours":8.909172330624012,"endHours":9.33636521441644,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:27","end":"06:48","startHours":6.452813248817539,"endHours":6.794567555851483,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:45","startHours":11.899522517171022,"endHours":12.75390828475588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:13","end":"05:04","startHours":4.210050608907282,"endHours":5.064436376492141,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:51","end":"05:55","startHours":4.8508399345959266,"endHours":5.9188221440770015,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.4626798199256,"endHours":15.317065587510461,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:32","end":"18:56","startHours":18.5346086578499,"endHours":18.9346086578499,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:44","end":"19:16","startHours":18.7346086578499,"endHours":19.268599762590437,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:29","end":"20:14","startHours":18.4846086578499,"endHours":20.2346086578499,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:45","startHours":23.89952251717102,"endHours":24.75390828475588,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:55","end":"07:31","startHours":5.9188221440770015,"endHours":7.520795458298614,"quality":"inauspicious"},{"name":"Śubha","start":"07:31","end":"09:07","startHours":7.520795458298614,"endHours":9.122768772520226,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:43","startHours":9.122768772520226,"endHours":10.724742086741838,"quality":"inauspicious"},{"name":"Udveg","start":"10:43","end":"12:20","startHours":10.724742086741838,"endHours":12.326715400963451,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:56","startHours":12.326715400963451,"endHours":13.928688715185064,"quality":"neutral"},{"name":"Labha","start":"13:56","end":"15:32","startHours":13.928688715185064,"endHours":15.530662029406676,"quality":"auspicious"},{"name":"Amṛta","start":"15:32","end":"17:08","startHours":15.530662029406676,"endHours":17.132635343628287,"quality":"auspicious"},{"name":"Kāla","start":"17:08","end":"18:44","startHours":17.132635343628287,"endHours":18.7346086578499,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:44","end":"20:08","startHours":18.7346086578499,"endHours":20.132635343628287,"quality":"auspicious"},{"name":"Amṛta","start":"20:08","end":"21:32","startHours":20.132635343628287,"endHours":21.530662029406678,"quality":"auspicious"},{"name":"Kāla","start":"21:32","end":"22:56","startHours":21.530662029406678,"endHours":22.928688715185064,"quality":"inauspicious"},{"name":"Śubha","start":"22:56","end":"00:20","startHours":22.928688715185064,"endHours":24.32671540096345,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:43","startHours":24.32671540096345,"endHours":25.724742086741838,"quality":"inauspicious"},{"name":"Udveg","start":"01:43","end":"03:07","startHours":25.724742086741838,"endHours":27.122768772520224,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:31","startHours":27.122768772520224,"endHours":28.520795458298615,"quality":"neutral"},{"name":"Labha","start":"04:31","end":"05:55","startHours":28.520795458298615,"endHours":29.918822144077,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.9188221440770015,"endHours":6.9188221440770015,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.9188221440770015,"endHours":7.9188221440770015,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.9188221440770015,"endHours":8.918822144077001,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.918822144077001,"endHours":9.918822144077001,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.918822144077001,"endHours":10.918822144077001,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.918822144077001,"endHours":11.918822144077001,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.918822144077001,"endHours":12.918822144077001,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.918822144077001,"endHours":13.918822144077001,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.918822144077001,"endHours":14.918822144077001,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.918822144077001,"endHours":15.918822144077001,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.918822144077001,"endHours":16.918822144077,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.918822144077,"endHours":17.918822144077,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.918822144077,"endHours":18.918822144077,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.918822144077,"endHours":19.918822144077,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.918822144077,"endHours":20.918822144077,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.918822144077,"endHours":21.918822144077,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.918822144077,"endHours":22.918822144077,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.918822144077,"endHours":23.918822144077,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.918822144077,"endHours":24.918822144077,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.918822144077,"endHours":25.918822144077,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.918822144077,"endHours":26.918822144077,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.918822144077,"endHours":27.918822144077,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.918822144077,"endHours":28.918822144077,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.918822144077,"endHours":29.918822144077,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"North-East","rahuVasa":"East","anandadiYoga":{"name":"Mānasa","quality":"Auspicious"},"drikRitu":"Vasanta (Spring)","vedicRitu":"Vasanta (Spring)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":9.776050333747463,"eotMinutes":-0.240124057807095,"ayanamsa":24.0945}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Kṛṣṇa Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Kṛṣṇa Caturthī · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"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},{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — 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 April 15, 2017 CE · Vṛndāvana · Vidhyamitra","description":"April 15, 2017 CE for Vṛndāvana: Kṛṣṇa Caturthī, sūryodaya 05:55, sūryāsta 18:44.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2017-04-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2017-04-15","sa":"https://sa.vidhyamitra.com/city/vrindavan/2017-04-15","hi":"https://hi.vidhyamitra.com/city/vrindavan/2017-04-15","x-default":"https://vidhyamitra.com/city/vrindavan/2017-04-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:33:22.973Z","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":"2026-05-15T01:33:22.973Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:33:22.973Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}