{"id":"vidhyamitra:city-day:phoenix:2031-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2031-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2031-12-01","date_display":"December 1, 2031 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":2031,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463201.770833,"kali_year":5133,"ahargana":1874736.2708,"sun":{"sidereal_longitude":223.7456,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":69.8958,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.1503,"elapsed_within_tithi_degrees":2.1503},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.8958,"elapsed_within_degrees":3.2292},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.6414},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"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":2031,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2463201.770833,"ahargana":1874736.2708,"kali_year":5133,"ayanamsa_lahiri":24.2988,"grahas":{"sun":{"sidereal_longitude":224.328036,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":67.650036,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":1},"retrograde":false,"latitude":-3.0353},"mars":{"sidereal_longitude":283.2862359999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":221.71533599999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":true},"jupiter":{"sidereal_longitude":248.9538359999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"venus":{"sidereal_longitude":181.336636,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":55.909835999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":207.4505,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":27.4505,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"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":2031,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2463201.770833,"kali_year":5133,"ahargana":1874736.2708,"sun":{"sidereal_longitude":223.7456,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":69.8958,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":18,"name":"Tṛtīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Tṛtīyā","elongation_degrees":206.1503,"elapsed_within_tithi_degrees":2.1503},"nakshatra":{"number":6,"name":"Ārdrā","pada":1,"moon_longitude":69.8958,"elapsed_within_degrees":3.2292},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.6414},"karana":{"half_tithi_index":34,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.035,"elongation":153.85},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.035,"opposition_distance":26.15}},"eclipse_window_40days":[{"offset_days":-16,"type":"solar","occurs":true,"moon_latitude":-0.008,"elongation":0.726},{"offset_days":-2,"type":"lunar","occurs":true,"moon_latitude":-1.298,"opposition_distance":2.63}]},"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":"07:15","sunsetLocal":"17:22","solarNoonLocal":"12:18","dayLengthHours":10.11189134355611,"dayLengthDisplay":"10 Hours 06 Mins 43 Secs","nightLengthDisplay":"13 Hours 53 Mins 17 Secs","moonriseLocal":"18:42","moonsetLocal":"09:01","rahuKala":{"name":"Rāhu Kāla","start":"08:31","end":"09:46","startHours":8.510789902826449,"endHours":9.774776320770965,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:02","end":"12:18","startHours":11.038762738715477,"endHours":12.302749156659992,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:34","end":"14:50","startHours":13.566735574604504,"endHours":14.83072199254902,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.606244798378363,"endHours":9.943307843163566,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.668132290863441,"endHours":7.937782726691604,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.965686111874788,"endHours":12.639812201445196,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:34","startHours":5.898551305741122,"endHours":6.572677395311529,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.404145872918927,"endHours":7.246803484881936,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:40","startHours":13.98806438058601,"endHours":14.662190470156418,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.158694828438048,"endHours":17.558694828438046,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.358694828438047,"endHours":17.78002363441955,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.108694828438047,"endHours":18.858694828438047,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.96568611187479,"endHours":24.639812201445196,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:15","end":"08:31","startHours":7.246803484881936,"endHours":8.510789902826449,"quality":"auspicious"},{"name":"Kāla","start":"08:31","end":"09:46","startHours":8.510789902826449,"endHours":9.774776320770965,"quality":"inauspicious"},{"name":"Śubha","start":"09:46","end":"11:02","startHours":9.774776320770965,"endHours":11.038762738715477,"quality":"auspicious"},{"name":"Roga","start":"11:02","end":"12:18","startHours":11.038762738715477,"endHours":12.302749156659992,"quality":"inauspicious"},{"name":"Udveg","start":"12:18","end":"13:34","startHours":12.302749156659992,"endHours":13.566735574604504,"quality":"inauspicious"},{"name":"Chala","start":"13:34","end":"14:50","startHours":13.566735574604504,"endHours":14.83072199254902,"quality":"neutral"},{"name":"Labha","start":"14:50","end":"16:06","startHours":14.83072199254902,"endHours":16.09470841049353,"quality":"auspicious"},{"name":"Amṛta","start":"16:06","end":"17:22","startHours":16.09470841049353,"endHours":17.358694828438047,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:22","end":"19:06","startHours":17.358694828438047,"endHours":19.09470841049353,"quality":"neutral"},{"name":"Labha","start":"19:06","end":"20:50","startHours":19.09470841049353,"endHours":20.83072199254902,"quality":"auspicious"},{"name":"Amṛta","start":"20:50","end":"22:34","startHours":20.83072199254902,"endHours":22.566735574604508,"quality":"auspicious"},{"name":"Kāla","start":"22:34","end":"00:18","startHours":22.566735574604508,"endHours":24.302749156659992,"quality":"inauspicious"},{"name":"Śubha","start":"00:18","end":"02:02","startHours":24.302749156659992,"endHours":26.038762738715477,"quality":"auspicious"},{"name":"Roga","start":"02:02","end":"03:46","startHours":26.038762738715477,"endHours":27.774776320770965,"quality":"inauspicious"},{"name":"Udveg","start":"03:46","end":"05:31","startHours":27.774776320770965,"endHours":29.510789902826453,"quality":"inauspicious"},{"name":"Chala","start":"05:31","end":"07:15","startHours":29.510789902826453,"endHours":31.246803484881937,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.246803484881936,"endHours":8.246803484881937,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.246803484881937,"endHours":9.246803484881937,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.246803484881937,"endHours":10.246803484881937,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.246803484881937,"endHours":11.246803484881937,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.246803484881937,"endHours":12.246803484881937,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.246803484881937,"endHours":13.246803484881937,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.246803484881937,"endHours":14.246803484881937,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.246803484881937,"endHours":15.246803484881937,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.246803484881937,"endHours":16.246803484881937,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.246803484881937,"endHours":17.246803484881937,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.246803484881937,"endHours":18.246803484881937,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.246803484881937,"endHours":19.246803484881937,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.246803484881937,"endHours":20.246803484881937,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.246803484881937,"endHours":21.246803484881937,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.246803484881937,"endHours":22.246803484881937,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.246803484881937,"endHours":23.246803484881937,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.246803484881937,"endHours":24.246803484881937,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.246803484881937,"endHours":25.246803484881937,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.246803484881937,"endHours":26.246803484881937,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.246803484881937,"endHours":27.246803484881937,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.246803484881937,"endHours":28.246803484881937,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.246803484881937,"endHours":29.246803484881937,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.246803484881937,"endHours":30.246803484881937,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.246803484881937,"endHours":31.246803484881937,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-21.73899635009256,"eotMinutes":10.131050600400467,"ayanamsa":24.2988}},"calendars":{"vikram_samvat":2088,"vikram_samvatsara":"Raktākṣī","saka_samvat":1953,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1438,"malayalam_era":1207,"nanakshahi_year":562,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Tṛtīyā · Vikram 2088 Raktākṣī · Śaka 1953 Virodhakṛt"},"festivals":[{"id":"vrischika-sankranti","name":"Vṛścika Saṅkrānti","name_sanskrit":"वृश्चिक सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Scorpio.","vrata":false,"detection":{"sun_rashi":"Vṛścika"},"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 1, 2031 CE · Phoenix, USA · Vidhyamitra","description":"December 1, 2031 CE for Phoenix, USA: Kṛṣṇa Tṛtīyā, sūryodaya 07:15, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2031-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2031-12-01","sa":"https://sa.vidhyamitra.com/city/phoenix/2031-12-01","hi":"https://hi.vidhyamitra.com/city/phoenix/2031-12-01","x-default":"https://vidhyamitra.com/city/phoenix/2031-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-15T01:44:48.557Z","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":"2026-05-15T01:44:48.557Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-15T01:44:48.557Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}