{"id":"vidhyamitra:city-day:phoenix:2107-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2107-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-12-22","date_display":"December 22, 2107 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":2107,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490980.770833,"kali_year":5209,"ahargana":1902515.2708,"sun":{"sidereal_longitude":243.5501,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.4964,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.9463,"elapsed_within_tithi_degrees":2.9463},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.4964,"elapsed_within_degrees":10.4964},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.0464},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2107,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490980.770833,"ahargana":1902515.2708,"kali_year":5209,"ayanamsa_lahiri":25.3613,"grahas":{"sun":{"sidereal_longitude":244.15077399999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":328.86957400000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false,"latitude":1.9065},"mars":{"sidereal_longitude":154.45437400000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.6855740000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":47.86507399999999,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":280.51357400000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":261.30127400000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":175.5854,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":355.5854,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"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":2107,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490980.770833,"kali_year":5209,"ahargana":1902515.2708,"sun":{"sidereal_longitude":243.5501,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":330.4964,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":86.9463,"elapsed_within_tithi_degrees":2.9463},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":330.4964,"elapsed_within_degrees":10.4964},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":214.0464},"karana":{"half_tithi_index":14,"name":"Viṣṭi"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.907,"elongation":86.946},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.907,"opposition_distance":93.054}},"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":"07:29","sunsetLocal":"17:25","solarNoonLocal":"12:27","dayLengthHours":9.932365462273857,"dayLengthDisplay":"9 Hours 55 Mins 57 Secs","nightLengthDisplay":"14 Hours 04 Mins 03 Secs","moonriseLocal":"12:10","moonsetLocal":"00:03","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"14:56","startHours":13.697928897792224,"endHours":14.939474580576455,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"08:44","startHours":7.490200483871063,"endHours":8.731746166655295,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:58","end":"11:13","startHours":9.973291849439526,"endHours":11.21483753222376,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:48","end":"10:08","startHours":9.807752425068296,"endHours":10.138831273810759,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:10","startHours":7.90404904479914,"endHours":8.16891212379311,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:47","startHours":12.12530436626553,"endHours":12.787462063750455,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:10","end":"06:50","startHours":6.165885088901216,"endHours":6.828042786386139,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:29","startHours":6.662503362014908,"endHours":7.490200483871063,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:46","startHours":14.1117774587203,"endHours":14.773935156205225,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.222565946144922,"endHours":17.62256594614492,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:50","startHours":17.42256594614492,"endHours":17.836414507073,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.17256594614492,"endHours":18.92256594614492,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:47","startHours":24.12530436626553,"endHours":24.787462063750453,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:29","end":"08:44","startHours":7.490200483871063,"endHours":8.731746166655295,"quality":"auspicious"},{"name":"Roga","start":"08:44","end":"09:58","startHours":8.731746166655295,"endHours":9.973291849439526,"quality":"inauspicious"},{"name":"Udveg","start":"09:58","end":"11:13","startHours":9.973291849439526,"endHours":11.21483753222376,"quality":"inauspicious"},{"name":"Chala","start":"11:13","end":"12:27","startHours":11.21483753222376,"endHours":12.456383215007993,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"13:42","startHours":12.456383215007993,"endHours":13.697928897792224,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"14:56","startHours":13.697928897792224,"endHours":14.939474580576455,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:11","startHours":14.939474580576455,"endHours":16.18102026336069,"quality":"inauspicious"},{"name":"Śubha","start":"16:11","end":"17:25","startHours":16.18102026336069,"endHours":17.42256594614492,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:25","end":"19:11","startHours":17.42256594614492,"endHours":19.18102026336069,"quality":"auspicious"},{"name":"Kāla","start":"19:11","end":"20:56","startHours":19.18102026336069,"endHours":20.93947458057646,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:42","startHours":20.93947458057646,"endHours":22.697928897792224,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:27","startHours":22.697928897792224,"endHours":24.456383215007993,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"02:13","startHours":24.456383215007993,"endHours":26.21483753222376,"quality":"inauspicious"},{"name":"Chala","start":"02:13","end":"03:58","startHours":26.21483753222376,"endHours":27.973291849439526,"quality":"neutral"},{"name":"Labha","start":"03:58","end":"05:44","startHours":27.973291849439526,"endHours":29.731746166655295,"quality":"auspicious"},{"name":"Amṛta","start":"05:44","end":"07:29","startHours":29.731746166655295,"endHours":31.490200483871064,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.490200483871063,"endHours":8.490200483871064,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.490200483871064,"endHours":9.490200483871064,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.490200483871064,"endHours":10.490200483871064,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.490200483871064,"endHours":11.490200483871064,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.490200483871064,"endHours":12.490200483871064,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.490200483871064,"endHours":13.490200483871064,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.490200483871064,"endHours":14.490200483871064,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.490200483871064,"endHours":15.490200483871064,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.490200483871064,"endHours":16.490200483871064,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.490200483871064,"endHours":17.490200483871064,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.490200483871064,"endHours":18.490200483871064,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.490200483871064,"endHours":19.490200483871064,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.490200483871064,"endHours":20.490200483871064,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.490200483871064,"endHours":21.490200483871064,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.490200483871064,"endHours":22.490200483871064,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.490200483871064,"endHours":23.490200483871064,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.490200483871064,"endHours":24.490200483871064,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.490200483871064,"endHours":25.490200483871064,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.490200483871064,"endHours":26.490200483871064,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.490200483871064,"endHours":27.490200483871064,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.490200483871064,"endHours":28.490200483871064,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.490200483871064,"endHours":29.490200483871064,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.490200483871064,"endHours":30.490200483871064,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.490200483871064,"endHours":31.490200483871064,"planetary_lord":"Moon"}],"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":"South (Dakṣiṇa)","chandraVasa":"South","rahuVasa":"North-West","anandadiYoga":{"name":"Mānasa","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":-23.435599392678295,"eotMinutes":0.9130070995203906,"ayanamsa":25.3613}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"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 2164 Vikrama · Śaka 2029 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 22, 2107 CE · Phoenix, USA · Vidhyamitra","description":"December 22, 2107 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:29, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2107-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2107-12-22","sa":"https://sa.vidhyamitra.com/city/phoenix/2107-12-22","hi":"https://hi.vidhyamitra.com/city/phoenix/2107-12-22","x-default":"https://vidhyamitra.com/city/phoenix/2107-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:09:39.103Z","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":"2026-06-01T22:09:39.103Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:09:39.103Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}