{"id":"vidhyamitra:city-day:vrindavan:2030-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2030-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-04-18","date_display":"April 18, 2030 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":2030,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462609.770833,"kali_year":5132,"ahargana":1874144.2708,"sun":{"sidereal_longitude":3.8368,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":181.2601,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.4233,"elapsed_within_tithi_degrees":9.4233},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.2601,"elapsed_within_degrees":7.9268},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.0969},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2030,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462609.770833,"ahargana":1874144.2708,"kali_year":5132,"ayanamsa_lahiri":24.2762,"grahas":{"sun":{"sidereal_longitude":3.787255000000016,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":182.415755,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":-3.7966},"mars":{"sidereal_longitude":12.61865499999999,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":12.132555000000025,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":211.561055,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":true},"venus":{"sidereal_longitude":319.21395499999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":30.03995500000002,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":238.8175,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":58.8175,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","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":2030,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462609.770833,"kali_year":5132,"ahargana":1874144.2708,"sun":{"sidereal_longitude":3.8368,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":181.2601,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":177.4233,"elapsed_within_tithi_degrees":9.4233},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":181.2601,"elapsed_within_degrees":7.9268},"yoga":{"number":14,"name":"Harṣaṇa","sum_longitude":185.0969},"karana":{"half_tithi_index":29,"name":"Bava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.797,"elongation":177.423},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.797,"opposition_distance":2.577}},"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":"05:52","sunsetLocal":"18:46","solarNoonLocal":"12:19","dayLengthHours":12.889138649551743,"dayLengthDisplay":"12 Hours 53 Mins 21 Secs","nightLengthDisplay":"11 Hours 06 Mins 39 Secs","moonriseLocal":"18:32","moonsetLocal":"05:54","rahuKala":{"name":"Rāhu Kāla","start":"13:56","end":"15:32","startHours":13.925424282929244,"endHours":15.536566614123213,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:52","end":"07:29","startHours":5.869712626959405,"endHours":7.4808549581533725,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:06","end":"10:42","startHours":9.09199728934734,"endHours":10.70313962054131,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:18","startHours":8.877178311854811,"endHours":9.30681626683987,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.406760070690728,"endHours":6.750470434678775,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.884643996750219,"endHours":12.743919906720334,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:01","startHours":4.151160807019172,"endHours":5.010436716989289,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:48","end":"05:52","startHours":4.79561773949676,"endHours":5.869712626959405,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.462471726660567,"endHours":15.321747636630683,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.55885127651115,"endHours":18.958851276511147,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.758851276511148,"endHours":19.29589872024247,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.508851276511148,"endHours":20.258851276511148,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.884643996750217,"endHours":24.743919906720333,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:52","end":"07:29","startHours":5.869712626959405,"endHours":7.4808549581533725,"quality":"auspicious"},{"name":"Roga","start":"07:29","end":"09:06","startHours":7.4808549581533725,"endHours":9.09199728934734,"quality":"inauspicious"},{"name":"Udveg","start":"09:06","end":"10:42","startHours":9.09199728934734,"endHours":10.70313962054131,"quality":"inauspicious"},{"name":"Chala","start":"10:42","end":"12:19","startHours":10.70313962054131,"endHours":12.314281951735277,"quality":"neutral"},{"name":"Labha","start":"12:19","end":"13:56","startHours":12.314281951735277,"endHours":13.925424282929244,"quality":"auspicious"},{"name":"Amṛta","start":"13:56","end":"15:32","startHours":13.925424282929244,"endHours":15.536566614123213,"quality":"auspicious"},{"name":"Kāla","start":"15:32","end":"17:09","startHours":15.536566614123213,"endHours":17.14770894531718,"quality":"inauspicious"},{"name":"Śubha","start":"17:09","end":"18:46","startHours":17.14770894531718,"endHours":18.758851276511148,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:46","end":"20:09","startHours":18.758851276511148,"endHours":20.14770894531718,"quality":"auspicious"},{"name":"Kāla","start":"20:09","end":"21:32","startHours":20.14770894531718,"endHours":21.536566614123213,"quality":"inauspicious"},{"name":"Śubha","start":"21:32","end":"22:56","startHours":21.536566614123213,"endHours":22.925424282929242,"quality":"auspicious"},{"name":"Roga","start":"22:56","end":"00:19","startHours":22.925424282929242,"endHours":24.314281951735275,"quality":"inauspicious"},{"name":"Udveg","start":"00:19","end":"01:42","startHours":24.314281951735275,"endHours":25.703139620541307,"quality":"inauspicious"},{"name":"Chala","start":"01:42","end":"03:06","startHours":25.703139620541307,"endHours":27.09199728934734,"quality":"neutral"},{"name":"Labha","start":"03:06","end":"04:29","startHours":27.09199728934734,"endHours":28.480854958153373,"quality":"auspicious"},{"name":"Amṛta","start":"04:29","end":"05:52","startHours":28.480854958153373,"endHours":29.869712626959405,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.869712626959405,"endHours":6.869712626959405,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.869712626959405,"endHours":7.869712626959405,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.869712626959405,"endHours":8.869712626959405,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.869712626959405,"endHours":9.869712626959405,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.869712626959405,"endHours":10.869712626959405,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.869712626959405,"endHours":11.869712626959405,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.869712626959405,"endHours":12.869712626959405,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.869712626959405,"endHours":13.869712626959405,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.869712626959405,"endHours":14.869712626959405,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.869712626959405,"endHours":15.869712626959405,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.869712626959405,"endHours":16.869712626959405,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.869712626959405,"endHours":17.869712626959405,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.869712626959405,"endHours":18.869712626959405,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.869712626959405,"endHours":19.869712626959405,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.869712626959405,"endHours":20.869712626959405,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.869712626959405,"endHours":21.869712626959405,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.869712626959405,"endHours":22.869712626959405,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.869712626959405,"endHours":23.869712626959405,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.869712626959405,"endHours":24.869712626959405,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.869712626959405,"endHours":25.869712626959405,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.869712626959405,"endHours":26.869712626959405,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.869712626959405,"endHours":27.869712626959405,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.869712626959405,"endHours":28.869712626959405,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.869712626959405,"endHours":29.869712626959405,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North","rahuVasa":"North-West","anandadiYoga":{"name":"Kāladaṇḍa","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":10.784343688677437,"eotMinutes":0.5058828958834352,"ayanamsa":24.2762}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Pūrṇimā · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"buddha-purnima","name":"Buddha Pūrṇimā","name_sanskrit":"बुद्ध पूर्णिमा","name_alternates":["Vesak","Vaiśākhī Pūrṇimā","Vesakha"],"tradition":"Pan-Hindu","associated_deity":"Buddha (21st avatāra of Krishna per Bhāgavata 1.3.24)","deity_avatara_index":21,"significance":"Buddha's birth, enlightenment, and mahāparinirvāṇa all on this Vaiśākha Pūrṇimā. Most sacred Buddhist + Vaishnava day.","vrata":true,"primary_observance":"Day-long observance of compassion (karuṇā) and ahiṁsā; Buddha-stuti at sunset","detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":1,"related_chart":"buddha","historical_anchor":{"event":"Bhagavān Buddha's birth at Lumbinī","date_julian":"-0562-04-11","location":"Lumbinī, Nepal"},"sources":["Bhāgavata Purāṇa 1.3.24","Pāli Tipiṭaka","Buddhacarita by Aśvaghoṣa"]},{"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":"kurma-jayanti","name":"Kūrma Jayantī","name_sanskrit":"कूर्म जयन्ती","tradition":"Vaishnava","associated_deity":"Kūrma (2nd avatāra of Krishna)","deity_avatara_index":11,"significance":"Kūrma supports Mount Mandara during the Sāgara-mathana (churning of the cosmic ocean).","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":4,"sources":["Bhāgavata 8.7-8"]},{"id":"chandika-jayanti","name":"Chaṇḍikā Jayantī","name_sanskrit":"चण्डिका जयन्ती","tradition":"Shakta","associated_deity":"Devī Chaṇḍikā","significance":"Devī's fierce protective form. Often coincides with Buddha Pūrṇimā.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":5},{"id":"chitra-paurnami","name":"Citrā Paurṇamī","name_sanskrit":"चित्रा पौर्णमी","tradition":"Regional","significance":"Tamil regional Vaiśākha Pūrṇimā observance; honors Citragupta.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":6},{"id":"vaishakha-purnima-vrat","name":"Vaiśākha Pūrṇimā Vrat","name_sanskrit":"वैशाख पूर्णिमा व्रत","tradition":"Pan-Hindu","significance":"General Pūrṇimā vrat in Vaiśākha (highly auspicious month).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Vaiśākha"},"precedence":7}],"todays_walk":{"walk":{"id":"buddha-purnima-walk","name":"Buddha Pūrṇimā Walk","name_sanskrit":"बुद्ध पूर्णिमा यात्रा","type":"festival","description":"Bhāgavata 1.3.24 (Buddha as 21st avatāra) + BG 12.13 (compassion) + Dhammapada parallels.","step_count":7,"url":"/walk/buddha-purnima-walk"},"reason":"Today is Buddha Pūrṇimā — its dedicated 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":"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 18, 2030 CE · Vṛndāvana · Vidhyamitra","description":"April 18, 2030 CE for Vṛndāvana: Śukla Pūrṇimā, sūryodaya 05:52, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2030-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2030-04-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2030-04-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2030-04-18","x-default":"https://vidhyamitra.com/city/vrindavan/2030-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:31:49.683Z","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":"2026-05-14T22:31:49.683Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:31:49.683Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}