{"id":"vidhyamitra:city-day:phoenix:2030-01-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2030-01-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2030-01-18","date_display":"January 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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462519.770833,"kali_year":5131,"ahargana":1874054.2708,"sun":{"sidereal_longitude":273.5388,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":73.636,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":160.0972,"elapsed_within_tithi_degrees":4.0972},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.636,"elapsed_within_degrees":6.9694},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.1749},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2462519.770833,"ahargana":1874054.2708,"kali_year":5131,"ayanamsa_lahiri":24.2727,"grahas":{"sun":{"sidereal_longitude":273.698893,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":74.665393,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":false,"latitude":-0.7845},"mars":{"sidereal_longitude":303.43009299999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":249.41289300000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":209.13259300000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":255.38809300000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":23.733392999999978,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":243.5862,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":63.5862,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"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":1,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2462519.770833,"kali_year":5131,"ahargana":1874054.2708,"sun":{"sidereal_longitude":273.5388,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":73.636,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":160.0972,"elapsed_within_tithi_degrees":4.0972},"nakshatra":{"number":6,"name":"Ārdrā","pada":3,"moon_longitude":73.636,"elapsed_within_degrees":6.9694},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.1749},"karana":{"half_tithi_index":26,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.784,"elongation":160.097},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.784,"opposition_distance":19.903}},"eclipse_window_40days":[{"offset_days":-14,"type":"solar","occurs":true,"moon_latitude":1.192,"elongation":0.543}]},"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":"07:32","sunsetLocal":"17:46","solarNoonLocal":"12:39","dayLengthHours":10.23310457323035,"dayLengthDisplay":"10 Hours 13 Mins 59 Secs","nightLengthDisplay":"13 Hours 46 Mins 01 Secs","moonriseLocal":"16:14","moonsetLocal":"06:31","rahuKala":{"name":"Rāhu Kāla","start":"11:22","end":"12:39","startHours":11.364949088041033,"endHours":12.644087159694827,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:12","end":"16:29","startHours":15.202363303002414,"endHours":16.481501374656208,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:48","end":"10:05","startHours":8.806672944733446,"endHours":10.08581101638724,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.915259273500068,"endHours":10.256362759274413,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:14","startHours":7.953914230297585,"endHours":8.226797018917061,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:18","end":"12:59","startHours":12.302983673920481,"endHours":12.985190645469173,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:10","end":"06:51","startHours":6.163120929982274,"endHours":6.845327901530963,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:32","startHours":6.674776158643791,"endHours":7.527534873079653,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:21","end":"15:02","startHours":14.349604588566553,"endHours":15.031811560115242,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:34","end":"17:58","startHours":17.560639446310002,"endHours":17.96063944631,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:46","end":"18:11","startHours":17.76063944631,"endHours":18.187018803527934,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:31","end":"19:16","startHours":17.51063944631,"endHours":19.26063944631,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:18","end":"00:59","startHours":24.302983673920483,"endHours":24.98519064546917,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:32","end":"08:48","startHours":7.527534873079653,"endHours":8.806672944733446,"quality":"neutral"},{"name":"Labha","start":"08:48","end":"10:05","startHours":8.806672944733446,"endHours":10.08581101638724,"quality":"auspicious"},{"name":"Amṛta","start":"10:05","end":"11:22","startHours":10.08581101638724,"endHours":11.364949088041033,"quality":"auspicious"},{"name":"Kāla","start":"11:22","end":"12:39","startHours":11.364949088041033,"endHours":12.644087159694827,"quality":"inauspicious"},{"name":"Śubha","start":"12:39","end":"13:55","startHours":12.644087159694827,"endHours":13.92322523134862,"quality":"auspicious"},{"name":"Roga","start":"13:55","end":"15:12","startHours":13.92322523134862,"endHours":15.202363303002414,"quality":"inauspicious"},{"name":"Udveg","start":"15:12","end":"16:29","startHours":15.202363303002414,"endHours":16.481501374656208,"quality":"inauspicious"},{"name":"Chala","start":"16:29","end":"17:46","startHours":16.481501374656208,"endHours":17.76063944631,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:46","end":"19:29","startHours":17.76063944631,"endHours":19.481501374656208,"quality":"inauspicious"},{"name":"Udveg","start":"19:29","end":"21:12","startHours":19.481501374656208,"endHours":21.202363303002414,"quality":"inauspicious"},{"name":"Chala","start":"21:12","end":"22:55","startHours":21.202363303002414,"endHours":22.92322523134862,"quality":"neutral"},{"name":"Labha","start":"22:55","end":"00:39","startHours":22.92322523134862,"endHours":24.644087159694827,"quality":"auspicious"},{"name":"Amṛta","start":"00:39","end":"02:22","startHours":24.644087159694827,"endHours":26.364949088041033,"quality":"auspicious"},{"name":"Kāla","start":"02:22","end":"04:05","startHours":26.364949088041033,"endHours":28.08581101638724,"quality":"inauspicious"},{"name":"Śubha","start":"04:05","end":"05:48","startHours":28.08581101638724,"endHours":29.806672944733446,"quality":"auspicious"},{"name":"Roga","start":"05:48","end":"07:32","startHours":29.806672944733446,"endHours":31.527534873079652,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.527534873079653,"endHours":8.527534873079652,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.527534873079652,"endHours":9.527534873079652,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.527534873079652,"endHours":10.527534873079652,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.527534873079652,"endHours":11.527534873079652,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.527534873079652,"endHours":12.527534873079652,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.527534873079652,"endHours":13.527534873079652,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.527534873079652,"endHours":14.527534873079652,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.527534873079652,"endHours":15.527534873079652,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.527534873079652,"endHours":16.527534873079652,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.527534873079652,"endHours":17.527534873079652,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.527534873079652,"endHours":18.527534873079652,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.527534873079652,"endHours":19.527534873079652,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.527534873079652,"endHours":20.527534873079652,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.527534873079652,"endHours":21.527534873079652,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.527534873079652,"endHours":22.527534873079652,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.527534873079652,"endHours":23.527534873079652,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.527534873079652,"endHours":24.527534873079652,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.527534873079652,"endHours":25.527534873079652,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.527534873079652,"endHours":26.527534873079652,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.527534873079652,"endHours":27.527534873079652,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.527534873079652,"endHours":28.527534873079652,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.527534873079652,"endHours":29.527534873079652,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.527534873079652,"endHours":30.527534873079652,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.527534873079652,"endHours":31.527534873079652,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"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":"West (Paścim)","chandraVasa":"South","rahuVasa":"South-East","anandadiYoga":{"name":"Cara","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-20.564980200347094,"eotMinutes":-10.349229581689698,"ayanamsa":24.2727}},"calendars":{"vikram_samvat":2087,"vikram_samvatsara":"Rudhirodgāri","saka_samvat":1952,"saka_samvatsara":"Sādhāraṇa","bengali_samvat":1437,"malayalam_era":1206,"nanakshahi_year":561,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Caturdaśī · Vikram 2087 Rudhirodgāri · Śaka 1952 Sādhāraṇa"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 January 18, 2030 CE · Phoenix, USA · Vidhyamitra","description":"January 18, 2030 CE for Phoenix, USA: Śukla Caturdaśī, sūryodaya 07:32, sūryāsta 17:46.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2030-01-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2030-01-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2030-01-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2030-01-18","x-default":"https://vidhyamitra.com/city/phoenix/2030-01-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T03:05:51.356Z","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":"2026-05-15T03:05:51.356Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T03:05:51.356Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}