{"id":"vidhyamitra:city-day:phoenix:2004-02-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2004-02-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2004-02-18","date_display":"February 18, 2004 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":2004,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453053.770833,"kali_year":5105,"ahargana":1864588.2708,"sun":{"sidereal_longitude":304.9082,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":275.9681,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.06,"elapsed_within_tithi_degrees":7.06},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.9681,"elapsed_within_degrees":9.3014},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.8763},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2004,"month":2,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2453053.770833,"ahargana":1864588.2708,"kali_year":5105,"ayanamsa_lahiri":23.9107,"grahas":{"sun":{"sidereal_longitude":304.807464,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":274.01506399999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false,"latitude":-4.2499},"mars":{"sidereal_longitude":15.310564,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":293.24236399999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":142.053564,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":347.004664,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":72.56546400000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":25.1404,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":205.1404,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2004,"month":2,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2453053.770833,"kali_year":5105,"ahargana":1864588.2708,"sun":{"sidereal_longitude":304.9082,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":275.9681,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":331.06,"elapsed_within_tithi_degrees":7.06},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3,"moon_longitude":275.9681,"elapsed_within_degrees":9.3014},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.8763},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.25,"elongation":28.94},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.25,"opposition_distance":151.06}},"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":"07:11","sunsetLocal":"18:15","solarNoonLocal":"12:43","dayLengthHours":11.068549174343689,"dayLengthDisplay":"11 Hours 04 Mins 07 Secs","nightLengthDisplay":"12 Hours 55 Mins 53 Secs","moonriseLocal":"05:34","moonsetLocal":"15:45","rahuKala":{"name":"Rāhu Kāla","start":"12:43","end":"14:06","startHours":12.71218127020667,"endHours":14.09574991699963,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:34","end":"09:57","startHours":8.561475329827786,"endHours":9.945043976620747,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:20","end":"12:43","startHours":11.328612623413708,"endHours":12.71218127020667,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:46","end":"10:08","startHours":9.760568157048352,"endHours":10.129519796193142,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:38","end":"07:56","startHours":7.639096231965812,"endHours":7.934257543281644,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:05","startHours":12.343229631061881,"endHours":13.08113290935146,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:42","end":"06:26","startHours":5.702100126455667,"endHours":6.440003404745246,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:15","end":"07:11","startHours":6.255527585172851,"endHours":7.177906683034825,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:18","startHours":14.556939465930618,"endHours":15.294842744220198,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:03","end":"18:27","startHours":18.046455857378515,"endHours":18.446455857378513,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:15","end":"18:42","startHours":18.246455857378514,"endHours":18.707645406309503,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:00","end":"19:45","startHours":17.996455857378514,"endHours":19.746455857378514,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:05","startHours":24.34322963106188,"endHours":25.08113290935146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:11","end":"08:34","startHours":7.177906683034825,"endHours":8.561475329827786,"quality":"auspicious"},{"name":"Amṛta","start":"08:34","end":"09:57","startHours":8.561475329827786,"endHours":9.945043976620747,"quality":"auspicious"},{"name":"Kāla","start":"09:57","end":"11:20","startHours":9.945043976620747,"endHours":11.328612623413708,"quality":"inauspicious"},{"name":"Śubha","start":"11:20","end":"12:43","startHours":11.328612623413708,"endHours":12.71218127020667,"quality":"auspicious"},{"name":"Roga","start":"12:43","end":"14:06","startHours":12.71218127020667,"endHours":14.09574991699963,"quality":"inauspicious"},{"name":"Udveg","start":"14:06","end":"15:29","startHours":14.09574991699963,"endHours":15.479318563792592,"quality":"inauspicious"},{"name":"Chala","start":"15:29","end":"16:52","startHours":15.479318563792592,"endHours":16.862887210585555,"quality":"neutral"},{"name":"Labha","start":"16:52","end":"18:15","startHours":16.862887210585555,"endHours":18.246455857378514,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:15","end":"19:52","startHours":18.246455857378514,"endHours":19.86288721058555,"quality":"inauspicious"},{"name":"Chala","start":"19:52","end":"21:29","startHours":19.86288721058555,"endHours":21.479318563792592,"quality":"neutral"},{"name":"Labha","start":"21:29","end":"23:06","startHours":21.479318563792592,"endHours":23.09574991699963,"quality":"auspicious"},{"name":"Amṛta","start":"23:06","end":"00:43","startHours":23.09574991699963,"endHours":24.71218127020667,"quality":"auspicious"},{"name":"Kāla","start":"00:43","end":"02:20","startHours":24.71218127020667,"endHours":26.328612623413708,"quality":"inauspicious"},{"name":"Śubha","start":"02:20","end":"03:57","startHours":26.328612623413708,"endHours":27.945043976620745,"quality":"auspicious"},{"name":"Roga","start":"03:57","end":"05:34","startHours":27.945043976620745,"endHours":29.561475329827786,"quality":"inauspicious"},{"name":"Udveg","start":"05:34","end":"07:11","startHours":29.561475329827786,"endHours":31.177906683034827,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:11","end":"08:11","startHours":7.177906683034825,"endHours":8.177906683034825,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:11","end":"09:11","startHours":8.177906683034825,"endHours":9.177906683034825,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:11","end":"10:11","startHours":9.177906683034825,"endHours":10.177906683034825,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:11","end":"11:11","startHours":10.177906683034825,"endHours":11.177906683034825,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:11","end":"12:11","startHours":11.177906683034825,"endHours":12.177906683034825,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:11","end":"13:11","startHours":12.177906683034825,"endHours":13.177906683034825,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:11","end":"14:11","startHours":13.177906683034825,"endHours":14.177906683034825,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:11","end":"15:11","startHours":14.177906683034825,"endHours":15.177906683034825,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:11","end":"16:11","startHours":15.177906683034825,"endHours":16.177906683034827,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:11","end":"17:11","startHours":16.177906683034827,"endHours":17.177906683034827,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:11","end":"18:11","startHours":17.177906683034827,"endHours":18.177906683034827,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:11","end":"19:11","startHours":18.177906683034827,"endHours":19.177906683034827,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:11","end":"20:11","startHours":19.177906683034827,"endHours":20.177906683034827,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:11","end":"21:11","startHours":20.177906683034827,"endHours":21.177906683034827,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:11","end":"22:11","startHours":21.177906683034827,"endHours":22.177906683034827,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:11","end":"23:11","startHours":22.177906683034827,"endHours":23.177906683034827,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:11","end":"00:11","startHours":23.177906683034827,"endHours":24.177906683034827,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:11","end":"01:11","startHours":24.177906683034827,"endHours":25.177906683034827,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:11","end":"02:11","startHours":25.177906683034827,"endHours":26.177906683034827,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:11","end":"03:11","startHours":26.177906683034827,"endHours":27.177906683034827,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:11","end":"04:11","startHours":27.177906683034827,"endHours":28.177906683034827,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:11","end":"05:11","startHours":28.177906683034827,"endHours":29.177906683034827,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:11","end":"06:11","startHours":29.177906683034827,"endHours":30.177906683034827,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:11","end":"07:11","startHours":30.177906683034827,"endHours":31.177906683034827,"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","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-11.918602164832915,"eotMinutes":-14.434876212400278,"ayanamsa":23.9107}},"calendars":{"vikram_samvat":2061,"vikram_samvatsara":"Hemalambī","saka_samvat":1926,"saka_samvatsara":"Tāraṇa","bengali_samvat":1411,"malayalam_era":1180,"nanakshahi_year":535,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Trayodaśī · Vikram 2061 Hemalambī · Śaka 1926 Tāraṇa"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":[]},"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 February 18, 2004 CE · Phoenix, USA · Vidhyamitra","description":"February 18, 2004 CE for Phoenix, USA: Kṛṣṇa Trayodaśī, sūryodaya 07:11, sūryāsta 18:15.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2004-02-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2004-02-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2004-02-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2004-02-18","x-default":"https://vidhyamitra.com/city/phoenix/2004-02-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T12:21:40.679Z","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":"2026-05-31T12:21:40.679Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T12:21:40.679Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}