{"id":"vidhyamitra:city-day:phoenix:2152-12-18:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2152-12-18","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2152-12-18","date_display":"December 18, 2152 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":2152,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507413.770833,"kali_year":5254,"ahargana":1918948.2708,"sun":{"sidereal_longitude":239.8093,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":135.6675,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.8582,"elapsed_within_tithi_degrees":3.8582},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.6675,"elapsed_within_degrees":2.3341},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.4768},"karana":{"half_tithi_index":42,"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":2152,"month":12,"day":18,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2507413.770833,"ahargana":1918948.2708,"kali_year":5254,"ayanamsa_lahiri":25.9898,"grahas":{"sun":{"sidereal_longitude":240.548313,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"moon":{"sidereal_longitude":136.369013,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":4.2067},"mars":{"sidereal_longitude":127.649113,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":242.15581299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":317.378013,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":284.842713,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":101.975413,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":24.886,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":204.886,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","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":2152,"month":12,"day":18,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2507413.770833,"kali_year":5254,"ahargana":1918948.2708,"sun":{"sidereal_longitude":239.8093,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":135.6675,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":255.8582,"elapsed_within_tithi_degrees":3.8582},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.6675,"elapsed_within_degrees":2.3341},"yoga":{"number":2,"name":"Prīti","sum_longitude":15.4768},"karana":{"half_tithi_index":42,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.207,"elongation":104.142},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.207,"opposition_distance":75.858}},"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":"17:24","solarNoonLocal":"12:26","dayLengthHours":9.937135595035073,"dayLengthDisplay":"9 Hours 56 Mins 14 Secs","nightLengthDisplay":"14 Hours 03 Mins 46 Secs","moonriseLocal":"23:08","moonsetLocal":"11:50","rahuKala":{"name":"Rāhu Kāla","start":"08:42","end":"09:56","startHours":8.698712029392826,"endHours":9.94085397877221,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:11","end":"12:26","startHours":11.182995928151595,"endHours":12.425137877530979,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:40","end":"14:55","startHours":13.667279826910363,"endHours":14.909421776289747,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:06","startHours":9.775235052188291,"endHours":10.106472905356128,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:08","startHours":7.870617396473236,"endHours":8.135607679007505,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:06","end":"12:45","startHours":12.093900024363142,"endHours":12.756375730698815,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:48","startHours":6.1316186673420985,"endHours":6.79409437367777,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:38","end":"07:27","startHours":6.628475447093852,"endHours":7.456570080013441,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:05","end":"14:45","startHours":14.081327143370157,"endHours":14.743802849705828,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:12","end":"17:36","startHours":17.193705675048516,"endHours":17.593705675048515,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:24","end":"17:48","startHours":17.393705675048516,"endHours":17.80775299150831,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:09","end":"18:54","startHours":17.143705675048516,"endHours":18.893705675048516,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:06","end":"00:45","startHours":24.093900024363144,"endHours":24.756375730698814,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:27","end":"08:42","startHours":7.456570080013441,"endHours":8.698712029392826,"quality":"auspicious"},{"name":"Kāla","start":"08:42","end":"09:56","startHours":8.698712029392826,"endHours":9.94085397877221,"quality":"inauspicious"},{"name":"Śubha","start":"09:56","end":"11:11","startHours":9.94085397877221,"endHours":11.182995928151595,"quality":"auspicious"},{"name":"Roga","start":"11:11","end":"12:26","startHours":11.182995928151595,"endHours":12.425137877530979,"quality":"inauspicious"},{"name":"Udveg","start":"12:26","end":"13:40","startHours":12.425137877530979,"endHours":13.667279826910363,"quality":"inauspicious"},{"name":"Chala","start":"13:40","end":"14:55","startHours":13.667279826910363,"endHours":14.909421776289747,"quality":"neutral"},{"name":"Labha","start":"14:55","end":"16:09","startHours":14.909421776289747,"endHours":16.15156372566913,"quality":"auspicious"},{"name":"Amṛta","start":"16:09","end":"17:24","startHours":16.15156372566913,"endHours":17.393705675048516,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:24","end":"19:09","startHours":17.393705675048516,"endHours":19.15156372566913,"quality":"neutral"},{"name":"Labha","start":"19:09","end":"20:55","startHours":19.15156372566913,"endHours":20.909421776289747,"quality":"auspicious"},{"name":"Amṛta","start":"20:55","end":"22:40","startHours":20.909421776289747,"endHours":22.667279826910363,"quality":"auspicious"},{"name":"Kāla","start":"22:40","end":"00:26","startHours":22.667279826910363,"endHours":24.42513787753098,"quality":"inauspicious"},{"name":"Śubha","start":"00:26","end":"02:11","startHours":24.42513787753098,"endHours":26.182995928151595,"quality":"auspicious"},{"name":"Roga","start":"02:11","end":"03:56","startHours":26.182995928151595,"endHours":27.94085397877221,"quality":"inauspicious"},{"name":"Udveg","start":"03:56","end":"05:42","startHours":27.94085397877221,"endHours":29.698712029392826,"quality":"inauspicious"},{"name":"Chala","start":"05:42","end":"07:27","startHours":29.698712029392826,"endHours":31.456570080013442,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:27","end":"08:27","startHours":7.456570080013441,"endHours":8.456570080013442,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:27","end":"09:27","startHours":8.456570080013442,"endHours":9.456570080013442,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:27","end":"10:27","startHours":9.456570080013442,"endHours":10.456570080013442,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:27","end":"11:27","startHours":10.456570080013442,"endHours":11.456570080013442,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:27","end":"12:27","startHours":11.456570080013442,"endHours":12.456570080013442,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:27","end":"13:27","startHours":12.456570080013442,"endHours":13.456570080013442,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:27","end":"14:27","startHours":13.456570080013442,"endHours":14.456570080013442,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:27","end":"15:27","startHours":14.456570080013442,"endHours":15.456570080013442,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:27","end":"16:27","startHours":15.456570080013442,"endHours":16.456570080013442,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:27","end":"17:27","startHours":16.456570080013442,"endHours":17.456570080013442,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:27","end":"18:27","startHours":17.456570080013442,"endHours":18.456570080013442,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:27","end":"19:27","startHours":18.456570080013442,"endHours":19.456570080013442,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:27","end":"20:27","startHours":19.456570080013442,"endHours":20.456570080013442,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:27","end":"21:27","startHours":20.456570080013442,"endHours":21.456570080013442,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:27","end":"22:27","startHours":21.456570080013442,"endHours":22.456570080013442,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:27","end":"23:27","startHours":22.456570080013442,"endHours":23.456570080013442,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:27","end":"00:27","startHours":23.456570080013442,"endHours":24.456570080013442,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:27","end":"01:27","startHours":24.456570080013442,"endHours":25.456570080013442,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:27","end":"02:27","startHours":25.456570080013442,"endHours":26.456570080013442,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:27","end":"03:27","startHours":26.456570080013442,"endHours":27.456570080013442,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:27","end":"04:27","startHours":27.456570080013442,"endHours":28.456570080013442,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:27","end":"05:27","startHours":28.456570080013442,"endHours":29.456570080013442,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:27","end":"06:27","startHours":29.456570080013442,"endHours":30.456570080013442,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:27","end":"07:27","startHours":30.456570080013442,"endHours":31.456570080013442,"planetary_lord":"Venus"}],"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Lumba","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":-23.39118406926648,"eotMinutes":2.787727348141232,"ayanamsa":25.9898}},"calendars":{"vikram_samvat":2209,"vikram_samvatsara":"Krodhana","saka_samvat":2074,"saka_samvatsara":"Paridhāvi","bengali_samvat":1559,"malayalam_era":1328,"nanakshahi_year":683,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","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":"Pauṣa Kṛṣṇa Saptamī · Vikram 2209 Krodhana · Śaka 2074 Paridhāvi"},"festivals":[{"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_ingress":"Dhanu"},"precedence":5}],"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":[]},"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 18, 2152 CE · Phoenix, USA · Vidhyamitra","description":"December 18, 2152 CE for Phoenix, USA: Kṛṣṇa Saptamī, sūryodaya 07:27, sūryāsta 17:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2152-12-18","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2152-12-18","sa":"https://sa.vidhyamitra.com/city/phoenix/2152-12-18","hi":"https://hi.vidhyamitra.com/city/phoenix/2152-12-18","x-default":"https://vidhyamitra.com/city/phoenix/2152-12-18"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:20:48.733Z","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":"2026-05-31T16:20:48.733Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:20:48.733Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}