{"id":"vidhyamitra:city-day:phoenix:1915-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1915-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1915-12-01","date_display":"December 1, 1915 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":1915,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420832.770833,"kali_year":5017,"ahargana":1832367.2708,"sun":{"sidereal_longitude":224.7828,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":151.6492,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.8664,"elapsed_within_tithi_degrees":10.8664},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.6492,"elapsed_within_degrees":4.9825},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.432},"karana":{"half_tithi_index":47,"name":"Gara"},"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":1915,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2420832.770833,"ahargana":1832367.2708,"kali_year":5017,"ayanamsa_lahiri":22.6784,"grahas":{"sun":{"sidereal_longitude":225.08184299999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":148.38474299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false,"latitude":-2.8476},"mars":{"sidereal_longitude":123.07994299999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":217.87564299999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":327.105043,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":246.34854300000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":83.61614299999997,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":292.364,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":112.364,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":1915,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2420832.770833,"kali_year":5017,"ahargana":1832367.2708,"sun":{"sidereal_longitude":224.7828,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":151.6492,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":24,"name":"Navamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Navamī","elongation_degrees":286.8664,"elapsed_within_tithi_degrees":10.8664},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":151.6492,"elapsed_within_degrees":4.9825},"yoga":{"number":2,"name":"Prīti","sum_longitude":16.432},"karana":{"half_tithi_index":47,"name":"Gara"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.848,"elongation":73.134},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.848,"opposition_distance":106.866}},"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":"07:14","sunsetLocal":"17:22","solarNoonLocal":"12:18","dayLengthHours":10.126237836913333,"dayLengthDisplay":"10 Hours 07 Mins 34 Secs","nightLengthDisplay":"13 Hours 52 Mins 26 Secs","moonriseLocal":"00:59","moonsetLocal":"13:24","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:34","startHours":12.302749156659992,"endHours":13.568528886274159,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:30","end":"09:46","startHours":8.505409967817492,"endHours":9.771189697431659,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:18","startHours":11.036969427045825,"endHours":12.302749156659992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:56","startHours":9.602419066816436,"endHours":9.93996032804688,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.66155681474138,"endHours":7.931589823725735,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.965207895429547,"endHours":12.640290417890437,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:53","end":"06:34","startHours":5.889465193281547,"endHours":6.564547715742436,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:14","startHours":6.3957770851272135,"endHours":7.239630238203325,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:40","startHours":13.990455462812214,"endHours":14.665537985273103,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.16586807511666,"endHours":17.565868075116658,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.36586807511666,"endHours":17.787794651654714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.11586807511666,"endHours":18.86586807511666,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.965207895429547,"endHours":24.640290417890437,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:14","end":"08:30","startHours":7.239630238203325,"endHours":8.505409967817492,"quality":"auspicious"},{"name":"Amṛta","start":"08:30","end":"09:46","startHours":8.505409967817492,"endHours":9.771189697431659,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:02","startHours":9.771189697431659,"endHours":11.036969427045825,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:18","startHours":11.036969427045825,"endHours":12.302749156659992,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:34","startHours":12.302749156659992,"endHours":13.568528886274159,"quality":"inauspicious"},{"name":"Udveg","start":"13:34","end":"14:50","startHours":13.568528886274159,"endHours":14.834308615888325,"quality":"inauspicious"},{"name":"Chala","start":"14:50","end":"16:06","startHours":14.834308615888325,"endHours":16.100088345502492,"quality":"neutral"},{"name":"Labha","start":"16:06","end":"17:22","startHours":16.100088345502492,"endHours":17.36586807511666,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:22","end":"19:06","startHours":17.36586807511666,"endHours":19.100088345502492,"quality":"inauspicious"},{"name":"Chala","start":"19:06","end":"20:50","startHours":19.100088345502492,"endHours":20.834308615888325,"quality":"neutral"},{"name":"Labha","start":"20:50","end":"22:34","startHours":20.834308615888325,"endHours":22.56852888627416,"quality":"auspicious"},{"name":"Amṛta","start":"22:34","end":"00:18","startHours":22.56852888627416,"endHours":24.302749156659992,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"02:02","startHours":24.302749156659992,"endHours":26.036969427045825,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:46","startHours":26.036969427045825,"endHours":27.77118969743166,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:30","startHours":27.77118969743166,"endHours":29.505409967817492,"quality":"inauspicious"},{"name":"Udveg","start":"05:30","end":"07:14","startHours":29.505409967817492,"endHours":31.239630238203326,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:14","end":"08:14","startHours":7.239630238203325,"endHours":8.239630238203326,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:14","end":"09:14","startHours":8.239630238203326,"endHours":9.239630238203326,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:14","end":"10:14","startHours":9.239630238203326,"endHours":10.239630238203326,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:14","end":"11:14","startHours":10.239630238203326,"endHours":11.239630238203326,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:14","end":"12:14","startHours":11.239630238203326,"endHours":12.239630238203326,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:14","end":"13:14","startHours":12.239630238203326,"endHours":13.239630238203326,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:14","end":"14:14","startHours":13.239630238203326,"endHours":14.239630238203326,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:14","end":"15:14","startHours":14.239630238203326,"endHours":15.239630238203326,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:14","end":"16:14","startHours":15.239630238203326,"endHours":16.239630238203326,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:14","end":"17:14","startHours":16.239630238203326,"endHours":17.239630238203326,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:14","end":"18:14","startHours":17.239630238203326,"endHours":18.239630238203326,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:14","end":"19:14","startHours":18.239630238203326,"endHours":19.239630238203326,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:14","end":"20:14","startHours":19.239630238203326,"endHours":20.239630238203326,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:14","end":"21:14","startHours":20.239630238203326,"endHours":21.239630238203326,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:14","end":"22:14","startHours":21.239630238203326,"endHours":22.239630238203326,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:14","end":"23:14","startHours":22.239630238203326,"endHours":23.239630238203326,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:14","end":"00:14","startHours":23.239630238203326,"endHours":24.239630238203326,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:14","end":"01:14","startHours":24.239630238203326,"endHours":25.239630238203326,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:14","end":"02:14","startHours":25.239630238203326,"endHours":26.239630238203326,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:14","end":"03:14","startHours":26.239630238203326,"endHours":27.239630238203326,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:14","end":"04:14","startHours":27.239630238203326,"endHours":28.239630238203326,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:14","end":"05:14","startHours":28.239630238203326,"endHours":29.239630238203326,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:14","end":"06:14","startHours":29.239630238203326,"endHours":30.239630238203326,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:14","end":"07:14","startHours":30.239630238203326,"endHours":31.239630238203326,"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","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.601224305587902,"eotMinutes":10.131050600400467,"ayanamsa":22.6784}},"calendars":{"vikram_samvat":1972,"vikram_samvatsara":"Vibhava","saka_samvat":1837,"saka_samvatsara":"Rākṣasa","bengali_samvat":1322,"malayalam_era":1091,"nanakshahi_year":446,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Navamī · Vikram 1972 Vibhava · Śaka 1837 Rākṣasa"},"festivals":[],"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 1, 1915 CE · Phoenix, USA · Vidhyamitra","description":"December 1, 1915 CE for Phoenix, USA: Kṛṣṇa Navamī, sūryodaya 07:14, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1915-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1915-12-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1915-12-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1915-12-01","x-default":"https://vidhyamitra.com/city/phoenix/1915-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T04:42:23.607Z","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":"2026-06-02T04:42:23.607Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T04:42:23.607Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}