{"id":"vidhyamitra:city-day:phoenix:2027-07-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2027-07-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-07-18","date_display":"July 18, 2027 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":2027,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461604.770833,"kali_year":5129,"ahargana":1873139.2708,"sun":{"sidereal_longitude":90.4851,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":264.4512,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.9661,"elapsed_within_tithi_degrees":5.9661},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.4512,"elapsed_within_degrees":11.1179},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.9363},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2027,"month":7,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461604.770833,"ahargana":1873139.2708,"kali_year":5129,"ayanamsa_lahiri":24.2377,"grahas":{"sun":{"sidereal_longitude":90.99605300000002,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false},"moon":{"sidereal_longitude":264.28375299999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-2.0843},"mars":{"sidereal_longitude":157.028053,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":70.06145300000003,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":123.902853,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":83.74575299999998,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":3.2233529999999746,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":292.0673,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.0673,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2027,"month":7,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461604.770833,"kali_year":5129,"ahargana":1873139.2708,"sun":{"sidereal_longitude":90.4851,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":264.4512,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":173.9661,"elapsed_within_tithi_degrees":5.9661},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.4512,"elapsed_within_degrees":11.1179},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":354.9363},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.084,"elongation":173.966},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.084,"opposition_distance":6.034}},"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":"05:31","sunsetLocal":"19:38","solarNoonLocal":"12:34","dayLengthHours":14.115544157206571,"dayLengthDisplay":"14 Hours 06 Mins 56 Secs","nightLengthDisplay":"9 Hours 53 Mins 04 Secs","moonriseLocal":"19:07","moonsetLocal":"05:08","rahuKala":{"name":"Rāhu Kāla","start":"17:52","end":"19:38","startHours":17.862527660960946,"endHours":19.62697068061177,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:34","end":"14:20","startHours":12.569198602008484,"endHours":14.333641621659304,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"16:06","end":"17:52","startHours":16.098084641310127,"endHours":17.862527660960946,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:48","end":"09:17","startHours":8.805053493420065,"endHours":9.275571631993616,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:06","end":"06:29","startHours":6.099574196622138,"endHours":6.47598870748098,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"13:02","startHours":12.098680463434931,"endHours":13.039716740582037,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:38","end":"04:34","startHours":3.629353969110988,"endHours":4.570390246258093,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:20","end":"05:31","startHours":4.335131176971316,"endHours":5.511426523405198,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:55","end":"15:52","startHours":14.921789294876245,"endHours":15.862825572023349,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:26","end":"19:50","startHours":19.42697068061177,"endHours":19.82697068061177,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:38","end":"20:13","startHours":19.62697068061177,"endHours":20.21511835382871,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:23","end":"21:08","startHours":19.37697068061177,"endHours":21.12697068061177,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"01:02","startHours":24.09868046343493,"endHours":25.039716740582037,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"05:31","end":"07:17","startHours":5.511426523405198,"endHours":7.275869543056019,"quality":"inauspicious"},{"name":"Chala","start":"07:17","end":"09:02","startHours":7.275869543056019,"endHours":9.040312562706841,"quality":"neutral"},{"name":"Labha","start":"09:02","end":"10:48","startHours":9.040312562706841,"endHours":10.80475558235766,"quality":"auspicious"},{"name":"Amṛta","start":"10:48","end":"12:34","startHours":10.80475558235766,"endHours":12.569198602008484,"quality":"auspicious"},{"name":"Kāla","start":"12:34","end":"14:20","startHours":12.569198602008484,"endHours":14.333641621659304,"quality":"inauspicious"},{"name":"Śubha","start":"14:20","end":"16:06","startHours":14.333641621659304,"endHours":16.098084641310127,"quality":"auspicious"},{"name":"Roga","start":"16:06","end":"17:52","startHours":16.098084641310127,"endHours":17.862527660960946,"quality":"inauspicious"},{"name":"Udveg","start":"17:52","end":"19:38","startHours":17.862527660960946,"endHours":19.62697068061177,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"19:38","end":"20:52","startHours":19.62697068061177,"endHours":20.86252766096095,"quality":"auspicious"},{"name":"Roga","start":"20:52","end":"22:06","startHours":20.86252766096095,"endHours":22.098084641310127,"quality":"inauspicious"},{"name":"Udveg","start":"22:06","end":"23:20","startHours":22.098084641310127,"endHours":23.333641621659304,"quality":"inauspicious"},{"name":"Chala","start":"23:20","end":"00:34","startHours":23.333641621659304,"endHours":24.569198602008484,"quality":"neutral"},{"name":"Labha","start":"00:34","end":"01:48","startHours":24.569198602008484,"endHours":25.804755582357664,"quality":"auspicious"},{"name":"Amṛta","start":"01:48","end":"03:02","startHours":25.804755582357664,"endHours":27.04031256270684,"quality":"auspicious"},{"name":"Kāla","start":"03:02","end":"04:17","startHours":27.04031256270684,"endHours":28.275869543056018,"quality":"inauspicious"},{"name":"Śubha","start":"04:17","end":"05:31","startHours":28.275869543056018,"endHours":29.5114265234052,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:31","end":"06:31","startHours":5.511426523405198,"endHours":6.511426523405198,"planetary_lord":"Sun"},{"name":"Hora 2","start":"06:31","end":"07:31","startHours":6.511426523405198,"endHours":7.511426523405198,"planetary_lord":"Mars"},{"name":"Hora 3","start":"07:31","end":"08:31","startHours":7.511426523405198,"endHours":8.511426523405198,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"08:31","end":"09:31","startHours":8.511426523405198,"endHours":9.511426523405198,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"09:31","end":"10:31","startHours":9.511426523405198,"endHours":10.511426523405198,"planetary_lord":"Moon"},{"name":"Hora 6","start":"10:31","end":"11:31","startHours":10.511426523405198,"endHours":11.511426523405198,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"11:31","end":"12:31","startHours":11.511426523405198,"endHours":12.511426523405198,"planetary_lord":"Venus"},{"name":"Hora 8","start":"12:31","end":"13:31","startHours":12.511426523405198,"endHours":13.511426523405198,"planetary_lord":"Sun"},{"name":"Hora 9","start":"13:31","end":"14:31","startHours":13.511426523405198,"endHours":14.511426523405198,"planetary_lord":"Mars"},{"name":"Hora 10","start":"14:31","end":"15:31","startHours":14.511426523405198,"endHours":15.511426523405198,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"15:31","end":"16:31","startHours":15.511426523405198,"endHours":16.5114265234052,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"16:31","end":"17:31","startHours":16.5114265234052,"endHours":17.5114265234052,"planetary_lord":"Moon"},{"name":"Hora 13","start":"17:31","end":"18:31","startHours":17.5114265234052,"endHours":18.5114265234052,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"18:31","end":"19:31","startHours":18.5114265234052,"endHours":19.5114265234052,"planetary_lord":"Venus"},{"name":"Hora 15","start":"19:31","end":"20:31","startHours":19.5114265234052,"endHours":20.5114265234052,"planetary_lord":"Sun"},{"name":"Hora 16","start":"20:31","end":"21:31","startHours":20.5114265234052,"endHours":21.5114265234052,"planetary_lord":"Mars"},{"name":"Hora 17","start":"21:31","end":"22:31","startHours":21.5114265234052,"endHours":22.5114265234052,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"22:31","end":"23:31","startHours":22.5114265234052,"endHours":23.5114265234052,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"23:31","end":"00:31","startHours":23.5114265234052,"endHours":24.5114265234052,"planetary_lord":"Moon"},{"name":"Hora 20","start":"00:31","end":"01:31","startHours":24.5114265234052,"endHours":25.5114265234052,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"01:31","end":"02:31","startHours":25.5114265234052,"endHours":26.5114265234052,"planetary_lord":"Venus"},{"name":"Hora 22","start":"02:31","end":"03:31","startHours":26.5114265234052,"endHours":27.5114265234052,"planetary_lord":"Sun"},{"name":"Hora 23","start":"03:31","end":"04:31","startHours":27.5114265234052,"endHours":28.5114265234052,"planetary_lord":"Mars"},{"name":"Hora 24","start":"04:31","end":"05:31","startHours":28.5114265234052,"endHours":29.5114265234052,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"drikRitu":"Grīṣma (Summer)","vedicRitu":"Grīṣma (Summer)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":21.08664061741532,"eotMinutes":-5.85591612050904,"ayanamsa":24.2377}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Śukla Pakṣa","solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Śukla Pūrṇimā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"raksha-bandhana","name":"Rakṣā Bandhana / Śrāvaṇa Pūrṇimā","name_sanskrit":"रक्षा बन्धन","tradition":"Pan-Hindu","significance":"Sister-brother bond; Brāhmaṇa Upākarma.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":1},{"id":"karka-sankranti","name":"Karka Saṅkrānti (Dakṣiṇāyana)","name_sanskrit":"कर्क सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Cancer; Dakṣiṇāyana (south-going) begins. Devatā-rātri begins.","vrata":true,"detection":{"sun_rashi":"Karka"},"precedence":2},{"id":"jhulan-purnima","name":"Jhūlan Pūrṇimā (Rādhā-Krishna swing)","name_sanskrit":"झूलन पूर्णिमा","tradition":"Vaishnava","associated_deity":"Rādhā-Krishna","significance":"Rādhā-Krishna swing-līlā festival; Jhūlan-yātrā culmination.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-rigveda","name":"Ṛg-Veda Upākarman","name_sanskrit":"ऋग्वेद उपाकर्मन्","tradition":"Smarta","associated_deity":"Ṛṣi-paramparā","significance":"Annual renewal of Veda-svādhyāya for Ṛg-Vedīs. Śrāvaṇa Pūrṇimā.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"upakarman-yajurveda","name":"Yajur-Veda Upākarman","name_sanskrit":"यजुर्वेद उपाकर्मन्","tradition":"Smarta","significance":"Annual renewal of Veda-svādhyāya for Yajur-Vedīs.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":3},{"id":"hayagriva-jayanti","name":"Hayagrīva Jayantī","name_sanskrit":"हयग्रीव जयन्ती","tradition":"Vaishnava","associated_deity":"Hayagrīva (Knowledge-form of Bhagavān)","significance":"Bhagavān as Hayagrīva restored the Vedas to Brahmā. Vidyā-pradāyaka.","vrata":false,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Śrāvaṇa"},"precedence":4,"sources":["Devī-Bhāgavata, Hayagrīva-stotra"]}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — 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":"phoenix"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 18, 2027 CE · Phoenix, USA · Vidhyamitra","description":"July 18, 2027 CE for Phoenix, USA: Śukla Pūrṇimā, sūryodaya 05:31, sūryāsta 19:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2027-07-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2027-07-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2027-07-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2027-07-18","x-default":"https://vidhyamitra.com/city/phoenix/2027-07-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T22:30:13.347Z","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":"2026-05-14T22:30:13.347Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T22:30:13.347Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}