{"id":"vidhyamitra:city-day:phoenix:2002-04-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2002-04-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-04-18","date_display":"April 18, 2002 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":2002,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452382.770833,"kali_year":5104,"ahargana":1863917.2708,"sun":{"sidereal_longitude":4.0756,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":66.6248,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":62.5492,"elapsed_within_tithi_degrees":2.5492},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.6248,"elapsed_within_degrees":13.2915},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.7004},"karana":{"half_tithi_index":10,"name":"Kaulava"},"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":2002,"month":4,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452382.770833,"ahargana":1863917.2708,"kali_year":5104,"ayanamsa_lahiri":23.885,"grahas":{"sun":{"sidereal_longitude":3.96180099999998,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":63.43690099999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":4},"retrograde":false,"latitude":0.4646},"mars":{"sidereal_longitude":39.059301000000005,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":15.511400999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":75.04880100000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":26.71300100000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":48.103800999999976,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":60.6932,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":240.6932,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"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":2002,"month":4,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452382.770833,"kali_year":5104,"ahargana":1863917.2708,"sun":{"sidereal_longitude":4.0756,"rashi":1,"rashi_name":"Meṣa"},"moon":{"sidereal_longitude":66.6248,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":62.5492,"elapsed_within_tithi_degrees":2.5492},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4,"moon_longitude":66.6248,"elapsed_within_degrees":13.2915},"yoga":{"number":6,"name":"Atigaṇḍa","sum_longitude":70.7004},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.465,"elongation":62.549},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.465,"opposition_distance":117.451}},"eclipse_window_40days":[]},"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"tier2":{"city":{"slug":"phoenix","name":"Phoenix, USA","lat":33.4484,"lon":-112.074,"tz_offset_hours":-7,"country":"US","tier":"diaspora"},"sunriseLocal":"05:55","sunsetLocal":"19:01","solarNoonLocal":"12:28","dayLengthHours":13.093376361010428,"dayLengthDisplay":"13 Hours 05 Mins 36 Secs","nightLengthDisplay":"10 Hours 54 Mins 24 Secs","moonriseLocal":"09:16","moonsetLocal":"23:35","rahuKala":{"name":"Rāhu Kāla","start":"14:06","end":"15:44","startHours":14.099840663528244,"endHours":15.736512708654548,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:55","end":"07:33","startHours":5.916480437896728,"endHours":7.553152483023031,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:11","end":"10:50","startHours":9.189824528149334,"endHours":10.826496573275637,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:58","end":"09:24","startHours":8.97160158879916,"endHours":9.40804746749951,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:28","end":"06:49","startHours":6.4620377862721625,"endHours":6.811194489232441,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:02","end":"12:54","startHours":12.026722739701594,"endHours":12.899614497102288,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:10","end":"05:03","startHours":4.1706969230953375,"endHours":5.043588680496033,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:50","end":"05:55","startHours":4.825365741145859,"endHours":5.916480437896728,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:39","end":"15:31","startHours":14.64539801190368,"endHours":15.518289769304376,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:49","end":"19:13","startHours":18.809856798907155,"endHours":19.209856798907154,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:01","end":"19:33","startHours":19.009856798907155,"endHours":19.55541414728259,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:46","end":"20:31","startHours":18.759856798907155,"endHours":20.509856798907155,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:02","end":"00:54","startHours":24.026722739701594,"endHours":24.899614497102288,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:55","end":"07:33","startHours":5.916480437896728,"endHours":7.553152483023031,"quality":"auspicious"},{"name":"Roga","start":"07:33","end":"09:11","startHours":7.553152483023031,"endHours":9.189824528149334,"quality":"inauspicious"},{"name":"Udveg","start":"09:11","end":"10:50","startHours":9.189824528149334,"endHours":10.826496573275637,"quality":"inauspicious"},{"name":"Chala","start":"10:50","end":"12:28","startHours":10.826496573275637,"endHours":12.46316861840194,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"14:06","startHours":12.46316861840194,"endHours":14.099840663528244,"quality":"auspicious"},{"name":"Amṛta","start":"14:06","end":"15:44","startHours":14.099840663528244,"endHours":15.736512708654548,"quality":"auspicious"},{"name":"Kāla","start":"15:44","end":"17:22","startHours":15.736512708654548,"endHours":17.37318475378085,"quality":"inauspicious"},{"name":"Śubha","start":"17:22","end":"19:01","startHours":17.37318475378085,"endHours":19.009856798907155,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"19:01","end":"20:22","startHours":19.009856798907155,"endHours":20.37318475378085,"quality":"auspicious"},{"name":"Kāla","start":"20:22","end":"21:44","startHours":20.37318475378085,"endHours":21.736512708654548,"quality":"inauspicious"},{"name":"Śubha","start":"21:44","end":"23:06","startHours":21.736512708654548,"endHours":23.099840663528244,"quality":"auspicious"},{"name":"Roga","start":"23:06","end":"00:28","startHours":23.099840663528244,"endHours":24.46316861840194,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"01:50","startHours":24.46316861840194,"endHours":25.826496573275637,"quality":"inauspicious"},{"name":"Chala","start":"01:50","end":"03:11","startHours":25.826496573275637,"endHours":27.189824528149334,"quality":"neutral"},{"name":"Labha","start":"03:11","end":"04:33","startHours":27.189824528149334,"endHours":28.55315248302303,"quality":"auspicious"},{"name":"Amṛta","start":"04:33","end":"05:55","startHours":28.55315248302303,"endHours":29.916480437896727,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:55","end":"06:55","startHours":5.916480437896728,"endHours":6.916480437896728,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:55","end":"07:55","startHours":6.916480437896728,"endHours":7.916480437896728,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:55","end":"08:55","startHours":7.916480437896728,"endHours":8.916480437896727,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:55","end":"09:55","startHours":8.916480437896727,"endHours":9.916480437896727,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:55","end":"10:55","startHours":9.916480437896727,"endHours":10.916480437896727,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:55","end":"11:55","startHours":10.916480437896727,"endHours":11.916480437896727,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:55","end":"12:55","startHours":11.916480437896727,"endHours":12.916480437896727,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:55","end":"13:55","startHours":12.916480437896727,"endHours":13.916480437896727,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:55","end":"14:55","startHours":13.916480437896727,"endHours":14.916480437896727,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:55","end":"15:55","startHours":14.916480437896727,"endHours":15.916480437896727,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:55","end":"16:55","startHours":15.916480437896727,"endHours":16.916480437896727,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:55","end":"17:55","startHours":16.916480437896727,"endHours":17.916480437896727,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:55","end":"18:55","startHours":17.916480437896727,"endHours":18.916480437896727,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:55","end":"19:55","startHours":18.916480437896727,"endHours":19.916480437896727,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:55","end":"20:55","startHours":19.916480437896727,"endHours":20.916480437896727,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:55","end":"21:55","startHours":20.916480437896727,"endHours":21.916480437896727,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:55","end":"22:55","startHours":21.916480437896727,"endHours":22.916480437896727,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:55","end":"23:55","startHours":22.916480437896727,"endHours":23.916480437896727,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:55","end":"00:55","startHours":23.916480437896727,"endHours":24.916480437896727,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:55","end":"01:55","startHours":24.916480437896727,"endHours":25.916480437896727,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:55","end":"02:55","startHours":25.916480437896727,"endHours":26.916480437896727,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:55","end":"03:55","startHours":26.916480437896727,"endHours":27.916480437896727,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:55","end":"04:55","startHours":27.916480437896727,"endHours":28.916480437896727,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:55","end":"05:55","startHours":28.916480437896727,"endHours":29.916480437896727,"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","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Amṛta","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":10.706869654123574,"eotMinutes":0.5058828958834352,"ayanamsa":23.885}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Vaiśākha","lunar_month_paksha_full":"Vaiśākha Śukla Pakṣa","solar_month":"Mēsha (Cittirai / Vaiśākhī)","ritu":"Vasanta (Spring)","display_summary":"Vaiśākha Śukla Ṣaṣṭhī · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"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":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"phoenix"},"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, 2002 CE · Phoenix, USA · Vidhyamitra","description":"April 18, 2002 CE for Phoenix, USA: Śukla Ṣaṣṭhī, sūryodaya 05:55, sūryāsta 19:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2002-04-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2002-04-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2002-04-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2002-04-18","x-default":"https://vidhyamitra.com/city/phoenix/2002-04-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-17T09:11:55.903Z","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":"2026-05-17T09:11:55.903Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-17T09:11:55.903Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}