{"id":"vidhyamitra:city-day:noida:2027-04-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/2027-04-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-04-17","date_display":"April 17, 2027 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":2027,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461512.770833,"kali_year":5129,"ahargana":1873047.2708,"sun":{"sidereal_longitude":2.6445,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":134.1117,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":131.4672,"elapsed_within_tithi_degrees":11.4672},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1117,"elapsed_within_degrees":0.7783},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.7562},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"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":2027,"month":4,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461512.770833,"ahargana":1873047.2708,"kali_year":5129,"ayanamsa_lahiri":24.2342,"grahas":{"sun":{"sidereal_longitude":2.5838679999999954,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":133.04656799999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false,"latitude":-1.3272},"mars":{"sidereal_longitude":117.68176800000003,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":349.615168,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":112.563668,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":331.643868,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":354.664068,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":296.9419,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":116.9419,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":4},"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":2027,"month":4,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461512.770833,"kali_year":5129,"ahargana":1873047.2708,"sun":{"sidereal_longitude":2.6445,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":134.1117,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":131.4672,"elapsed_within_tithi_degrees":11.4672},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":134.1117,"elapsed_within_degrees":0.7783},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":136.7562},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.327,"elongation":131.467},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.327,"opposition_distance":48.533}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"05:54","sunsetLocal":"18:47","solarNoonLocal":"12:20","dayLengthHours":12.888201287307993,"dayLengthDisplay":"12 Hours 53 Mins 18 Secs","nightLengthDisplay":"11 Hours 06 Mins 42 Secs","moonriseLocal":"14:40","moonsetLocal":"03:24","rahuKala":{"name":"Rāhu Kāla","start":"09:07","end":"10:44","startHours":9.114148861844171,"endHours":10.72517402275767,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:57","end":"15:33","startHours":13.947224344584669,"endHours":15.558249505498168,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"05:54","end":"07:30","startHours":5.892098540017173,"endHours":7.503123700930672,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:54","end":"09:20","startHours":8.899345507055704,"endHours":9.328952216632638,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:26","end":"06:46","startHours":6.429106926988339,"endHours":6.772792294649886,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:46","startHours":11.906592474094236,"endHours":12.765805893248103,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:02","startHours":4.1736717017094405,"endHours":5.032885120863307,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:49","end":"05:54","startHours":4.81808176607484,"endHours":5.892098540017173,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:21","startHours":14.484232731555835,"endHours":15.3434461507097,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.580299827325167,"endHours":18.980299827325165,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:19","startHours":18.780299827325166,"endHours":19.317308214296332,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.530299827325166,"endHours":20.280299827325166,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:46","startHours":23.906592474094236,"endHours":24.765805893248103,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"05:54","end":"07:30","startHours":5.892098540017173,"endHours":7.503123700930672,"quality":"inauspicious"},{"name":"Śubha","start":"07:30","end":"09:07","startHours":7.503123700930672,"endHours":9.114148861844171,"quality":"auspicious"},{"name":"Roga","start":"09:07","end":"10:44","startHours":9.114148861844171,"endHours":10.72517402275767,"quality":"inauspicious"},{"name":"Udveg","start":"10:44","end":"12:20","startHours":10.72517402275767,"endHours":12.33619918367117,"quality":"inauspicious"},{"name":"Chala","start":"12:20","end":"13:57","startHours":12.33619918367117,"endHours":13.947224344584669,"quality":"neutral"},{"name":"Labha","start":"13:57","end":"15:33","startHours":13.947224344584669,"endHours":15.558249505498168,"quality":"auspicious"},{"name":"Amṛta","start":"15:33","end":"17:10","startHours":15.558249505498168,"endHours":17.169274666411667,"quality":"auspicious"},{"name":"Kāla","start":"17:10","end":"18:47","startHours":17.169274666411667,"endHours":18.780299827325166,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:47","end":"20:10","startHours":18.780299827325166,"endHours":20.169274666411667,"quality":"auspicious"},{"name":"Amṛta","start":"20:10","end":"21:33","startHours":20.169274666411667,"endHours":21.558249505498168,"quality":"auspicious"},{"name":"Kāla","start":"21:33","end":"22:57","startHours":21.558249505498168,"endHours":22.94722434458467,"quality":"inauspicious"},{"name":"Śubha","start":"22:57","end":"00:20","startHours":22.94722434458467,"endHours":24.33619918367117,"quality":"auspicious"},{"name":"Roga","start":"00:20","end":"01:44","startHours":24.33619918367117,"endHours":25.72517402275767,"quality":"inauspicious"},{"name":"Udveg","start":"01:44","end":"03:07","startHours":25.72517402275767,"endHours":27.11414886184417,"quality":"inauspicious"},{"name":"Chala","start":"03:07","end":"04:30","startHours":27.11414886184417,"endHours":28.503123700930672,"quality":"neutral"},{"name":"Labha","start":"04:30","end":"05:54","startHours":28.503123700930672,"endHours":29.892098540017173,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:54","end":"06:54","startHours":5.892098540017173,"endHours":6.892098540017173,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"06:54","end":"07:54","startHours":6.892098540017173,"endHours":7.892098540017173,"planetary_lord":"Moon"},{"name":"Hora 3","start":"07:54","end":"08:54","startHours":7.892098540017173,"endHours":8.892098540017173,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"08:54","end":"09:54","startHours":8.892098540017173,"endHours":9.892098540017173,"planetary_lord":"Venus"},{"name":"Hora 5","start":"09:54","end":"10:54","startHours":9.892098540017173,"endHours":10.892098540017173,"planetary_lord":"Sun"},{"name":"Hora 6","start":"10:54","end":"11:54","startHours":10.892098540017173,"endHours":11.892098540017173,"planetary_lord":"Mars"},{"name":"Hora 7","start":"11:54","end":"12:54","startHours":11.892098540017173,"endHours":12.892098540017173,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"12:54","end":"13:54","startHours":12.892098540017173,"endHours":13.892098540017173,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"13:54","end":"14:54","startHours":13.892098540017173,"endHours":14.892098540017173,"planetary_lord":"Moon"},{"name":"Hora 10","start":"14:54","end":"15:54","startHours":14.892098540017173,"endHours":15.892098540017173,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"15:54","end":"16:54","startHours":15.892098540017173,"endHours":16.892098540017173,"planetary_lord":"Venus"},{"name":"Hora 12","start":"16:54","end":"17:54","startHours":16.892098540017173,"endHours":17.892098540017173,"planetary_lord":"Sun"},{"name":"Hora 13","start":"17:54","end":"18:54","startHours":17.892098540017173,"endHours":18.892098540017173,"planetary_lord":"Mars"},{"name":"Hora 14","start":"18:54","end":"19:54","startHours":18.892098540017173,"endHours":19.892098540017173,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"19:54","end":"20:54","startHours":19.892098540017173,"endHours":20.892098540017173,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"20:54","end":"21:54","startHours":20.892098540017173,"endHours":21.892098540017173,"planetary_lord":"Moon"},{"name":"Hora 17","start":"21:54","end":"22:54","startHours":21.892098540017173,"endHours":22.892098540017173,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"22:54","end":"23:54","startHours":22.892098540017173,"endHours":23.892098540017173,"planetary_lord":"Venus"},{"name":"Hora 19","start":"23:54","end":"00:54","startHours":23.892098540017173,"endHours":24.892098540017173,"planetary_lord":"Sun"},{"name":"Hora 20","start":"00:54","end":"01:54","startHours":24.892098540017173,"endHours":25.892098540017173,"planetary_lord":"Mars"},{"name":"Hora 21","start":"01:54","end":"02:54","startHours":25.892098540017173,"endHours":26.892098540017173,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"02:54","end":"03:54","startHours":26.892098540017173,"endHours":27.892098540017173,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"03:54","end":"04:54","startHours":27.892098540017173,"endHours":28.892098540017173,"planetary_lord":"Moon"},{"name":"Hora 24","start":"04:54","end":"05:54","startHours":28.892098540017173,"endHours":29.892098540017173,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","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":"East (Pūrva)","chandraVasa":"West","rahuVasa":"East","anandadiYoga":{"name":"Dhvaja","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":10.337176652599908,"eotMinutes":0.2640489797298191,"ayanamsa":24.2342}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ekādaśī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"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":"mohini-ekadashi","name":"Mohinī Ekādaśī","name_sanskrit":"मोहिनी एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu (Mohinī form)","significance":"Mohinī-form of Viṣṇu deceived asuras during samudra-mathana for amṛta.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":3,"sources":["Bhāgavata 8.9"]},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":"noida"},"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, 2027 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"April 17, 2027 CE for Noida, Uttar Pradesh: Śukla Ekādaśī, sūryodaya 05:54, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/2027-04-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/2027-04-17","sa":"https://sa.vidhyamitra.com/city/noida/2027-04-17","hi":"https://hi.vidhyamitra.com/city/noida/2027-04-17","x-default":"https://vidhyamitra.com/city/noida/2027-04-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T20:39:43.458Z","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":"2026-05-14T20:39:43.458Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T20:39:43.458Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}