{"id":"vidhyamitra:city-day:vellore:2026-04-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vellore/2026-04-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2026-04-01","date_display":"April 1, 2026 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":2026,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461131.770833,"kali_year":5127,"ahargana":1872666.2708,"sun":{"sidereal_longitude":347.2177,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":156.2556,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.0379,"elapsed_within_tithi_degrees":1.0379},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.2556,"elapsed_within_degrees":9.5889},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.4732},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":2026,"month":4,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461131.770833,"ahargana":1872666.2708,"kali_year":5127,"ayanamsa_lahiri":24.2197,"grahas":{"sun":{"sidereal_longitude":347.110925,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"moon":{"sidereal_longitude":154.872925,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false,"latitude":-1.4731},"mars":{"sidereal_longitude":328.51852499999995,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":319.194125,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":81.39372500000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":7.128825000000006,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":341.417925,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":317.1291,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":137.1291,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2026,"month":4,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461131.770833,"kali_year":5127,"ahargana":1872666.2708,"sun":{"sidereal_longitude":347.2177,"rashi":12,"rashi_name":"Mīna"},"moon":{"sidereal_longitude":156.2556,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.0379,"elapsed_within_tithi_degrees":1.0379},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3,"moon_longitude":156.2556,"elapsed_within_degrees":9.5889},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":143.4732},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.473,"elongation":169.038},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.473,"opposition_distance":10.962}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":1.168,"elongation":1.468}]},"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"vellore","name":"Vellore, Tamil Nadu","lat":12.9165,"lon":79.1325,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:10","sunsetLocal":"18:25","solarNoonLocal":"12:18","dayLengthHours":12.251665159082108,"dayLengthDisplay":"12 Hours 15 Mins 06 Secs","nightLengthDisplay":"11 Hours 44 Mins 54 Secs","moonriseLocal":"17:26","moonsetLocal":"05:32","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:50","startHours":12.296904935019192,"endHours":13.828363079904456,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:42","end":"09:14","startHours":7.702530500363401,"endHours":9.233988645248665,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:46","end":"12:18","startHours":10.765446790133929,"endHours":12.296904935019192,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:02","end":"09:26","startHours":9.02979422593063,"endHours":9.438183064566699,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:41","end":"07:00","startHours":6.681558403773225,"endHours":7.0082694746820815,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:42","startHours":11.888516096383123,"endHours":12.705293773655262,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:32","end":"05:21","startHours":4.537517000933856,"endHours":5.354294678205997,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:09","end":"06:10","startHours":5.150100258887962,"endHours":6.171072355478137,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:20","end":"15:09","startHours":14.338849128199541,"endHours":15.155626805471682,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:13","end":"18:37","startHours":18.222737514560247,"endHours":18.622737514560246,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:25","end":"18:56","startHours":18.422737514560247,"endHours":18.933223562855336,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:10","end":"19:55","startHours":18.172737514560247,"endHours":19.922737514560247,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:42","startHours":23.88851609638312,"endHours":24.705293773655264,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:10","end":"07:42","startHours":6.171072355478137,"endHours":7.702530500363401,"quality":"auspicious"},{"name":"Amṛta","start":"07:42","end":"09:14","startHours":7.702530500363401,"endHours":9.233988645248665,"quality":"auspicious"},{"name":"Kāla","start":"09:14","end":"10:46","startHours":9.233988645248665,"endHours":10.765446790133929,"quality":"inauspicious"},{"name":"Śubha","start":"10:46","end":"12:18","startHours":10.765446790133929,"endHours":12.296904935019192,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:50","startHours":12.296904935019192,"endHours":13.828363079904456,"quality":"inauspicious"},{"name":"Udveg","start":"13:50","end":"15:22","startHours":13.828363079904456,"endHours":15.35982122478972,"quality":"inauspicious"},{"name":"Chala","start":"15:22","end":"16:53","startHours":15.35982122478972,"endHours":16.891279369674983,"quality":"neutral"},{"name":"Labha","start":"16:53","end":"18:25","startHours":16.891279369674983,"endHours":18.422737514560247,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:25","end":"19:53","startHours":18.422737514560247,"endHours":19.891279369674983,"quality":"inauspicious"},{"name":"Chala","start":"19:53","end":"21:22","startHours":19.891279369674983,"endHours":21.35982122478972,"quality":"neutral"},{"name":"Labha","start":"21:22","end":"22:50","startHours":21.35982122478972,"endHours":22.828363079904456,"quality":"auspicious"},{"name":"Amṛta","start":"22:50","end":"00:18","startHours":22.828363079904456,"endHours":24.296904935019192,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"01:46","startHours":24.296904935019192,"endHours":25.76544679013393,"quality":"inauspicious"},{"name":"Śubha","start":"01:46","end":"03:14","startHours":25.76544679013393,"endHours":27.233988645248665,"quality":"auspicious"},{"name":"Roga","start":"03:14","end":"04:42","startHours":27.233988645248665,"endHours":28.7025305003634,"quality":"inauspicious"},{"name":"Udveg","start":"04:42","end":"06:10","startHours":28.7025305003634,"endHours":30.171072355478138,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:10","end":"07:10","startHours":6.171072355478137,"endHours":7.171072355478137,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:10","end":"08:10","startHours":7.171072355478137,"endHours":8.171072355478138,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:10","end":"09:10","startHours":8.171072355478138,"endHours":9.171072355478138,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:10","end":"10:10","startHours":9.171072355478138,"endHours":10.171072355478138,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:10","end":"11:10","startHours":10.171072355478138,"endHours":11.171072355478138,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:10","end":"12:10","startHours":11.171072355478138,"endHours":12.171072355478138,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:10","end":"13:10","startHours":12.171072355478138,"endHours":13.171072355478138,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:10","end":"14:10","startHours":13.171072355478138,"endHours":14.171072355478138,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:10","end":"15:10","startHours":14.171072355478138,"endHours":15.171072355478138,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:10","end":"16:10","startHours":15.171072355478138,"endHours":16.171072355478138,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:10","end":"17:10","startHours":16.171072355478138,"endHours":17.171072355478138,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:10","end":"18:10","startHours":17.171072355478138,"endHours":18.171072355478138,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:10","end":"19:10","startHours":18.171072355478138,"endHours":19.171072355478138,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:10","end":"20:10","startHours":19.171072355478138,"endHours":20.171072355478138,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:10","end":"21:10","startHours":20.171072355478138,"endHours":21.171072355478138,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:10","end":"22:10","startHours":21.171072355478138,"endHours":22.171072355478138,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:10","end":"23:10","startHours":22.171072355478138,"endHours":23.171072355478138,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:10","end":"00:10","startHours":23.171072355478138,"endHours":24.171072355478138,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:10","end":"01:10","startHours":24.171072355478138,"endHours":25.171072355478138,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:10","end":"02:10","startHours":25.171072355478138,"endHours":26.171072355478138,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:10","end":"03:10","startHours":26.171072355478138,"endHours":27.171072355478138,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:10","end":"04:10","startHours":27.171072355478138,"endHours":28.171072355478138,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:10","end":"05:10","startHours":28.171072355478138,"endHours":29.171072355478138,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:10","end":"06:10","startHours":29.171072355478138,"endHours":30.171072355478138,"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":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"drikRitu":"Vasanta (Spring) (Drik)","vedicRitu":"Śiśira (Winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":4.481810326221253,"eotMinutes":-4.344296101151456,"ayanamsa":24.2197}},"calendars":{"vikram_samvat":2083,"vikram_samvatsara":"Siddhārthī","saka_samvat":1948,"saka_samvatsara":"Parābhava","bengali_samvat":1433,"malayalam_era":1202,"nanakshahi_year":557,"lunar_month":"Caitra","lunar_month_paksha_full":"Caitra Śukla Pakṣa","solar_month":"Mīna (Paṅkuṇi)","ritu":"Vasanta (Spring)","display_summary":"Caitra Śukla Pūrṇimā · Vikram 2083 Siddhārthī · Śaka 1948 Parābhava"},"festivals":[{"id":"hanuman-jayanti","name":"Hanumān Jayantī","name_sanskrit":"हनुमान जयन्ती","tradition":"Vaishnava","associated_deity":"Bhagavān Hanumān (Rudra-aṁśa, Rāma-bhakta)","significance":"Birth of Hanumān (Caitra Pūrṇimā tradition; some traditions Mārgaśīrṣa Kṛṣṇa 14).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Caitra"},"precedence":1,"sources":["Vālmīki Rāmāyaṇa, Sundara-Kāṇḍa"]},{"id":"mina-sankranti","name":"Mīna Saṅkrānti","name_sanskrit":"मीन सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Pisces; Mīna-māsa begins.","vrata":false,"detection":{"sun_rashi":"Mīna"},"precedence":5}],"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":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"vellore"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga April 1, 2026 CE · Vellore, Tamil Nadu · Vidhyamitra","description":"April 1, 2026 CE for Vellore, Tamil Nadu: Śukla Pūrṇimā, sūryodaya 06:10, sūryāsta 18:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vellore/2026-04-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vellore/2026-04-01","sa":"https://sa.vidhyamitra.com/city/vellore/2026-04-01","hi":"https://hi.vidhyamitra.com/city/vellore/2026-04-01","x-default":"https://vidhyamitra.com/city/vellore/2026-04-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T15:42:08.861Z","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":"2026-05-14T15:42:08.861Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T15:42:08.861Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}