{"id":"vidhyamitra:city-day:phoenix:2027-12-29:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2027-12-29","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-12-29","date_display":"December 29, 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":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461768.770833,"kali_year":5129,"ahargana":1873303.2708,"sun":{"sidereal_longitude":252.4902,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":268.1065,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.6163,"elapsed_within_tithi_degrees":3.6163},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.1065,"elapsed_within_degrees":1.4399},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.5968},"karana":{"half_tithi_index":2,"name":"Bālava"},"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":2027,"month":12,"day":29,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461768.770833,"ahargana":1873303.2708,"kali_year":5129,"ayanamsa_lahiri":24.244,"grahas":{"sun":{"sidereal_longitude":252.82368700000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":266.13268700000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false,"latitude":-1.1841},"mars":{"sidereal_longitude":270.96048700000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":262.2683870000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":152.75048700000002,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":286.75168699999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":356.816487,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":283.3777,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":103.3777,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2027,"month":12,"day":29,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461768.770833,"kali_year":5129,"ahargana":1873303.2708,"sun":{"sidereal_longitude":252.4902,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":268.1065,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":2,"name":"Dvitīyā","paksha":"Śukla","full_name":"Śukla Dvitīyā","elongation_degrees":15.6163,"elapsed_within_tithi_degrees":3.6163},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1,"moon_longitude":268.1065,"elapsed_within_degrees":1.4399},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":160.5968},"karana":{"half_tithi_index":2,"name":"Bālava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.184,"elongation":15.616},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.184,"opposition_distance":164.384}},"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":"07:32","sunsetLocal":"17:29","solarNoonLocal":"12:31","dayLengthHours":9.95249663361976,"dayLengthDisplay":"9 Hours 57 Mins 09 Secs","nightLengthDisplay":"14 Hours 02 Mins 51 Secs","moonriseLocal":"08:22","moonsetLocal":"18:25","rahuKala":{"name":"Rāhu Kāla","start":"12:31","end":"13:45","startHours":12.510712940742824,"endHours":13.754775019945292,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:47","end":"10:01","startHours":8.778526703135412,"endHours":10.022588782337884,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:16","end":"12:31","startHours":11.266650861540352,"endHours":12.510712940742824,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:11","startHours":9.856713838444222,"endHours":10.188463726231547,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:13","startHours":7.9491519836671,"endHours":8.21455189389696,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:11","end":"12:51","startHours":12.178963052955499,"endHours":12.842462828530149,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:52","startHours":6.207465072783642,"endHours":6.870964848358293,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:32","startHours":6.70508990446463,"endHours":7.534464623932943,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:50","startHours":14.16946237967945,"endHours":14.832962155254101,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.286961257552704,"endHours":17.686961257552703,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:54","startHours":17.486961257552704,"endHours":17.90164861728686,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.236961257552704,"endHours":18.986961257552704,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:11","end":"00:51","startHours":24.1789630529555,"endHours":24.84246282853015,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:32","end":"08:47","startHours":7.534464623932943,"endHours":8.778526703135412,"quality":"auspicious"},{"name":"Amṛta","start":"08:47","end":"10:01","startHours":8.778526703135412,"endHours":10.022588782337884,"quality":"auspicious"},{"name":"Kāla","start":"10:01","end":"11:16","startHours":10.022588782337884,"endHours":11.266650861540352,"quality":"inauspicious"},{"name":"Śubha","start":"11:16","end":"12:31","startHours":11.266650861540352,"endHours":12.510712940742824,"quality":"auspicious"},{"name":"Roga","start":"12:31","end":"13:45","startHours":12.510712940742824,"endHours":13.754775019945292,"quality":"inauspicious"},{"name":"Udveg","start":"13:45","end":"15:00","startHours":13.754775019945292,"endHours":14.998837099147764,"quality":"inauspicious"},{"name":"Chala","start":"15:00","end":"16:15","startHours":14.998837099147764,"endHours":16.242899178350232,"quality":"neutral"},{"name":"Labha","start":"16:15","end":"17:29","startHours":16.242899178350232,"endHours":17.486961257552704,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:29","end":"19:15","startHours":17.486961257552704,"endHours":19.242899178350235,"quality":"inauspicious"},{"name":"Chala","start":"19:15","end":"21:00","startHours":19.242899178350235,"endHours":20.998837099147764,"quality":"neutral"},{"name":"Labha","start":"21:00","end":"22:45","startHours":20.998837099147764,"endHours":22.754775019945292,"quality":"auspicious"},{"name":"Amṛta","start":"22:45","end":"00:31","startHours":22.754775019945292,"endHours":24.510712940742824,"quality":"auspicious"},{"name":"Kāla","start":"00:31","end":"02:16","startHours":24.510712940742824,"endHours":26.266650861540356,"quality":"inauspicious"},{"name":"Śubha","start":"02:16","end":"04:01","startHours":26.266650861540356,"endHours":28.022588782337884,"quality":"auspicious"},{"name":"Roga","start":"04:01","end":"05:47","startHours":28.022588782337884,"endHours":29.778526703135412,"quality":"inauspicious"},{"name":"Udveg","start":"05:47","end":"07:32","startHours":29.778526703135412,"endHours":31.534464623932944,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.534464623932943,"endHours":8.534464623932944,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.534464623932944,"endHours":9.534464623932944,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.534464623932944,"endHours":10.534464623932944,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.534464623932944,"endHours":11.534464623932944,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.534464623932944,"endHours":12.534464623932944,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.534464623932944,"endHours":13.534464623932944,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.534464623932944,"endHours":14.534464623932944,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.534464623932944,"endHours":15.534464623932944,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.534464623932944,"endHours":16.534464623932944,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.534464623932944,"endHours":17.534464623932944,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.534464623932944,"endHours":18.534464623932944,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.534464623932944,"endHours":19.534464623932944,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.534464623932944,"endHours":20.534464623932944,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.534464623932944,"endHours":21.534464623932944,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.534464623932944,"endHours":22.534464623932944,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.534464623932944,"endHours":23.534464623932944,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.534464623932944,"endHours":24.534464623932944,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.534464623932944,"endHours":25.534464623932944,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.534464623932944,"endHours":26.534464623932944,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.534464623932944,"endHours":27.534464623932944,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.534464623932944,"endHours":28.534464623932944,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.534464623932944,"endHours":29.534464623932944,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.534464623932944,"endHours":30.534464623932944,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.534464623932944,"endHours":31.534464623932944,"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":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Saumya","quality":"Auspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-23.247906571266732,"eotMinutes":-2.3467764445695645,"ayanamsa":24.244}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Dvitīyā · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"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 December 29, 2027 CE · Phoenix, USA · Vidhyamitra","description":"December 29, 2027 CE for Phoenix, USA: Śukla Dvitīyā, sūryodaya 07:32, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2027-12-29","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2027-12-29","sa":"https://sa.vidhyamitra.com/city/phoenix/2027-12-29","hi":"https://hi.vidhyamitra.com/city/phoenix/2027-12-29","x-default":"https://vidhyamitra.com/city/phoenix/2027-12-29"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T17:10:17.345Z","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":"2026-05-14T17:10:17.345Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T17:10:17.345Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}