{"id":"vidhyamitra:city-day:vrindavan:2028-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/2028-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-04-18","date_display":"April 18, 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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461879.770833,"kali_year":5130,"ahargana":1873414.2708,"sun":{"sidereal_longitude":4.3408,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.0369,"elapsed_within_tithi_degrees":7.0369},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.3776,"elapsed_within_degrees":7.3776},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.7184},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461879.770833,"ahargana":1873414.2708,"kali_year":5130,"ayanamsa_lahiri":24.2483,"grahas":{"sun":{"sidereal_longitude":4.288446000000022,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":289.034846,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false,"latitude":0.7715},"mars":{"sidereal_longitude":357.850646,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":10.636145999999997,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":144.142246,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":true},"venus":{"sidereal_longitude":46.541345999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":6.39484600000003,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":277.4964,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":97.4964,"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":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461879.770833,"kali_year":5130,"ahargana":1873414.2708,"sun":{"sidereal_longitude":4.3408,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":287.3776,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":283.0369,"elapsed_within_tithi_degrees":7.0369},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3,"moon_longitude":287.3776,"elapsed_within_degrees":7.3776},"yoga":{"number":22,"name":"Sādhya","sum_longitude":291.7184},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.771,"elongation":76.963},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.771,"opposition_distance":103.037}},"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":12.901475144474706,"dayLengthDisplay":"12 Hours 54 Mins 05 Secs","nightLengthDisplay":"11 Hours 05 Mins 55 Secs","moonriseLocal":"01:51","moonsetLocal":"12:44","rahuKala":{"name":"Rāhu Kāla","start":"15:32","end":"17:09","startHours":15.539650737853954,"endHours":17.152335130913293,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:05","end":"10:42","startHours":9.088913165616601,"endHours":10.701597558675939,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"12:19","end":"13:56","startHours":12.314281951735278,"endHours":13.926966344794614,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:52","end":"09:18","startHours":8.873888579875356,"endHours":9.303937751357847,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:24","end":"06:45","startHours":6.401105843851037,"endHours":6.74514518103703,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:53","end":"12:45","startHours":11.884232780252786,"endHours":12.744331123217767,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:09","end":"05:00","startHours":4.143347693567964,"endHours":5.003446036532944,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:47","end":"05:52","startHours":4.7884214507917,"endHours":5.863544379497925,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:19","startHours":14.464527809147729,"endHours":15.324626152112709,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:34","end":"18:58","startHours":18.56501952397263,"endHours":18.96501952397263,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:46","end":"19:18","startHours":18.76501952397263,"endHours":19.302580988325744,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:31","end":"20:16","startHours":18.51501952397263,"endHours":20.26501952397263,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:53","end":"00:45","startHours":23.884232780252784,"endHours":24.744331123217766,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"05:52","end":"07:29","startHours":5.863544379497925,"endHours":7.476228772557263,"quality":"inauspicious"},{"name":"Udveg","start":"07:29","end":"09:05","startHours":7.476228772557263,"endHours":9.088913165616601,"quality":"inauspicious"},{"name":"Chala","start":"09:05","end":"10:42","startHours":9.088913165616601,"endHours":10.701597558675939,"quality":"neutral"},{"name":"Labha","start":"10:42","end":"12:19","startHours":10.701597558675939,"endHours":12.314281951735278,"quality":"auspicious"},{"name":"Amṛta","start":"12:19","end":"13:56","startHours":12.314281951735278,"endHours":13.926966344794614,"quality":"auspicious"},{"name":"Kāla","start":"13:56","end":"15:32","startHours":13.926966344794614,"endHours":15.539650737853954,"quality":"inauspicious"},{"name":"Śubha","start":"15:32","end":"17:09","startHours":15.539650737853954,"endHours":17.152335130913293,"quality":"auspicious"},{"name":"Roga","start":"17:09","end":"18:46","startHours":17.152335130913293,"endHours":18.76501952397263,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"18:46","end":"20:09","startHours":18.76501952397263,"endHours":20.15233513091329,"quality":"inauspicious"},{"name":"Śubha","start":"20:09","end":"21:32","startHours":20.15233513091329,"endHours":21.539650737853954,"quality":"auspicious"},{"name":"Roga","start":"21:32","end":"22:56","startHours":21.539650737853954,"endHours":22.926966344794614,"quality":"inauspicious"},{"name":"Udveg","start":"22:56","end":"00:19","startHours":22.926966344794614,"endHours":24.314281951735275,"quality":"inauspicious"},{"name":"Chala","start":"00:19","end":"01:42","startHours":24.314281951735275,"endHours":25.70159755867594,"quality":"neutral"},{"name":"Labha","start":"01:42","end":"03:05","startHours":25.70159755867594,"endHours":27.0889131656166,"quality":"auspicious"},{"name":"Amṛta","start":"03:05","end":"04:29","startHours":27.0889131656166,"endHours":28.476228772557263,"quality":"auspicious"},{"name":"Kāla","start":"04:29","end":"05:52","startHours":28.476228772557263,"endHours":29.863544379497924,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:52","end":"06:52","startHours":5.863544379497925,"endHours":6.863544379497925,"planetary_lord":"Mars"},{"name":"Hora 2","start":"06:52","end":"07:52","startHours":6.863544379497925,"endHours":7.863544379497925,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"07:52","end":"08:52","startHours":7.863544379497925,"endHours":8.863544379497924,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"08:52","end":"09:52","startHours":8.863544379497924,"endHours":9.863544379497924,"planetary_lord":"Moon"},{"name":"Hora 5","start":"09:52","end":"10:52","startHours":9.863544379497924,"endHours":10.863544379497924,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"10:52","end":"11:52","startHours":10.863544379497924,"endHours":11.863544379497924,"planetary_lord":"Venus"},{"name":"Hora 7","start":"11:52","end":"12:52","startHours":11.863544379497924,"endHours":12.863544379497924,"planetary_lord":"Sun"},{"name":"Hora 8","start":"12:52","end":"13:52","startHours":12.863544379497924,"endHours":13.863544379497924,"planetary_lord":"Mars"},{"name":"Hora 9","start":"13:52","end":"14:52","startHours":13.863544379497924,"endHours":14.863544379497924,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"14:52","end":"15:52","startHours":14.863544379497924,"endHours":15.863544379497924,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"15:52","end":"16:52","startHours":15.863544379497924,"endHours":16.863544379497924,"planetary_lord":"Moon"},{"name":"Hora 12","start":"16:52","end":"17:52","startHours":16.863544379497924,"endHours":17.863544379497924,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"17:52","end":"18:52","startHours":17.863544379497924,"endHours":18.863544379497924,"planetary_lord":"Venus"},{"name":"Hora 14","start":"18:52","end":"19:52","startHours":18.863544379497924,"endHours":19.863544379497924,"planetary_lord":"Sun"},{"name":"Hora 15","start":"19:52","end":"20:52","startHours":19.863544379497924,"endHours":20.863544379497924,"planetary_lord":"Mars"},{"name":"Hora 16","start":"20:52","end":"21:52","startHours":20.863544379497924,"endHours":21.863544379497924,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"21:52","end":"22:52","startHours":21.863544379497924,"endHours":22.863544379497924,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"22:52","end":"23:52","startHours":22.863544379497924,"endHours":23.863544379497924,"planetary_lord":"Moon"},{"name":"Hora 19","start":"23:52","end":"00:52","startHours":23.863544379497924,"endHours":24.863544379497924,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"00:52","end":"01:52","startHours":24.863544379497924,"endHours":25.863544379497924,"planetary_lord":"Venus"},{"name":"Hora 21","start":"01:52","end":"02:52","startHours":25.863544379497924,"endHours":26.863544379497924,"planetary_lord":"Sun"},{"name":"Hora 22","start":"02:52","end":"03:52","startHours":26.863544379497924,"endHours":27.863544379497924,"planetary_lord":"Mars"},{"name":"Hora 23","start":"03:52","end":"04:52","startHours":27.863544379497924,"endHours":28.863544379497924,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"04:52","end":"05:52","startHours":28.863544379497924,"endHours":29.863544379497924,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"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":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"North","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":10.953114438683546,"eotMinutes":0.5058828958834352,"ayanamsa":24.2483}},"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 Navamī · 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":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — 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 18, 2028 CE · Vṛndāvana · Vidhyamitra","description":"April 18, 2028 CE for Vṛndāvana: Kṛṣṇa Navamī, sūryodaya 05:52, sūryāsta 18:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/2028-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/2028-04-18","sa":"https://sa.vidhyamitra.com/city/vrindavan/2028-04-18","hi":"https://hi.vidhyamitra.com/city/vrindavan/2028-04-18","x-default":"https://vidhyamitra.com/city/vrindavan/2028-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T16:34:14.689Z","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":"2026-05-14T16:34:14.689Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T16:34:14.689Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}