{"id":"vidhyamitra:city-day:phoenix:2007-12-17:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2007-12-17","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2007-12-17","date_display":"December 17, 2007 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":2007,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454451.770833,"kali_year":5109,"ahargana":1865986.2708,"sun":{"sidereal_longitude":240.3426,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.6116,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.269,"elapsed_within_tithi_degrees":4.269},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.6116,"elapsed_within_degrees":8.6116},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.9542},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2007,"month":12,"day":17,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454451.770833,"ahargana":1865986.2708,"kali_year":5109,"ayanamsa_lahiri":23.9642,"grahas":{"sun":{"sidereal_longitude":240.73424999999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":325.86605,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false,"latitude":1.3552},"mars":{"sidereal_longitude":71.58524999999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":true},"mercury":{"sidereal_longitude":240.27655000000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":246.31435,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"venus":{"sidereal_longitude":199.44705,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":134.41425000000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":311.0676,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":131.0676,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","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":2007,"month":12,"day":17,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454451.770833,"kali_year":5109,"ahargana":1865986.2708,"sun":{"sidereal_longitude":240.3426,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":328.6116,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":88.269,"elapsed_within_tithi_degrees":4.269},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3,"moon_longitude":328.6116,"elapsed_within_degrees":8.6116},"yoga":{"number":16,"name":"Siddhi","sum_longitude":208.9542},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.355,"elongation":88.269},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.355,"opposition_distance":91.731}},"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":"07:27","sunsetLocal":"17:23","solarNoonLocal":"12:25","dayLengthHours":9.943668813628818,"dayLengthDisplay":"9 Hours 56 Mins 37 Secs","nightLengthDisplay":"14 Hours 03 Mins 23 Secs","moonriseLocal":"12:13","moonsetLocal":"23:58","rahuKala":{"name":"Rāhu Kāla","start":"08:41","end":"09:56","startHours":8.688501380270718,"endHours":9.93145998197432,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:10","end":"12:25","startHours":11.174418583677923,"endHours":12.417377185381525,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"14:54","startHours":13.660335787085128,"endHours":14.90329438878873,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:46","end":"10:06","startHours":9.765732168413841,"endHours":10.097187795534802,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:08","startHours":7.859862312468318,"endHours":8.125026814165086,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:05","end":"12:45","startHours":12.085921558260564,"endHours":12.748832812502487,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:07","end":"06:47","startHours":6.119720270083275,"endHours":6.782631524325196,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:37","end":"07:27","startHours":6.616903710764715,"endHours":7.445542778567117,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:44","startHours":14.074655320986329,"endHours":14.73756657522825,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:11","end":"17:35","startHours":17.189211592195935,"endHours":17.589211592195934,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:23","end":"17:48","startHours":17.389211592195934,"endHours":17.803531126097134,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:08","end":"18:53","startHours":17.139211592195934,"endHours":18.889211592195934,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:05","end":"00:45","startHours":24.085921558260566,"endHours":24.748832812502485,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:27","end":"08:41","startHours":7.445542778567117,"endHours":8.688501380270718,"quality":"auspicious"},{"name":"Kāla","start":"08:41","end":"09:56","startHours":8.688501380270718,"endHours":9.93145998197432,"quality":"inauspicious"},{"name":"Śubha","start":"09:56","end":"11:10","startHours":9.93145998197432,"endHours":11.174418583677923,"quality":"auspicious"},{"name":"Roga","start":"11:10","end":"12:25","startHours":11.174418583677923,"endHours":12.417377185381525,"quality":"inauspicious"},{"name":"Udveg","start":"12:25","end":"13:40","startHours":12.417377185381525,"endHours":13.660335787085128,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"14:54","startHours":13.660335787085128,"endHours":14.90329438878873,"quality":"neutral"},{"name":"Labha","start":"14:54","end":"16:09","startHours":14.90329438878873,"endHours":16.146252990492332,"quality":"auspicious"},{"name":"Amṛta","start":"16:09","end":"17:23","startHours":16.146252990492332,"endHours":17.389211592195934,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:23","end":"19:09","startHours":17.389211592195934,"endHours":19.146252990492332,"quality":"neutral"},{"name":"Labha","start":"19:09","end":"20:54","startHours":19.146252990492332,"endHours":20.90329438878873,"quality":"auspicious"},{"name":"Amṛta","start":"20:54","end":"22:40","startHours":20.90329438878873,"endHours":22.660335787085128,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:25","startHours":22.660335787085128,"endHours":24.417377185381525,"quality":"inauspicious"},{"name":"Śubha","start":"00:25","end":"02:10","startHours":24.417377185381525,"endHours":26.174418583677923,"quality":"auspicious"},{"name":"Roga","start":"02:10","end":"03:56","startHours":26.174418583677923,"endHours":27.93145998197432,"quality":"inauspicious"},{"name":"Udveg","start":"03:56","end":"05:41","startHours":27.93145998197432,"endHours":29.68850138027072,"quality":"inauspicious"},{"name":"Chala","start":"05:41","end":"07:27","startHours":29.68850138027072,"endHours":31.445542778567116,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.445542778567117,"endHours":8.445542778567116,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.445542778567116,"endHours":9.445542778567116,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.445542778567116,"endHours":10.445542778567116,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.445542778567116,"endHours":11.445542778567116,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.445542778567116,"endHours":12.445542778567116,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.445542778567116,"endHours":13.445542778567116,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.445542778567116,"endHours":14.445542778567116,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.445542778567116,"endHours":15.445542778567116,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.445542778567116,"endHours":16.445542778567116,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.445542778567116,"endHours":17.445542778567116,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.445542778567116,"endHours":18.445542778567116,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.445542778567116,"endHours":19.445542778567116,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.445542778567116,"endHours":20.445542778567116,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.445542778567116,"endHours":21.445542778567116,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.445542778567116,"endHours":22.445542778567116,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.445542778567116,"endHours":23.445542778567116,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.445542778567116,"endHours":24.445542778567116,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.445542778567116,"endHours":25.445542778567116,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.445542778567116,"endHours":26.445542778567116,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.445542778567116,"endHours":27.445542778567116,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.445542778567116,"endHours":28.445542778567116,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.445542778567116,"endHours":29.445542778567116,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.445542778567116,"endHours":30.445542778567116,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.445542778567116,"endHours":31.445542778567116,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Hasta","Citrā","Svātī","Viśākhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.330292963051527,"eotMinutes":3.253368877108411,"ayanamsa":23.9642}},"calendars":{"vikram_samvat":2064,"vikram_samvatsara":"Śārvarī","saka_samvat":1929,"saka_samvatsara":"Sarvajit","bengali_samvat":1414,"malayalam_era":1183,"nanakshahi_year":538,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Aṣṭamī · Vikram 2064 Śārvarī · Śaka 1929 Sarvajit"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","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 December 17, 2007 CE · Phoenix, USA · Vidhyamitra","description":"December 17, 2007 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:27, sūryāsta 17:23.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2007-12-17","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2007-12-17","sa":"https://sa.vidhyamitra.com/city/phoenix/2007-12-17","hi":"https://hi.vidhyamitra.com/city/phoenix/2007-12-17","x-default":"https://vidhyamitra.com/city/phoenix/2007-12-17"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T05:29:19.740Z","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":"2026-06-01T05:29:19.740Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T05:29:19.740Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}