{"id":"vidhyamitra:city-day:phoenix:2027-12-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2027-12-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2027-12-01","date_display":"December 1, 2027 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":2027,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461740.770833,"kali_year":5129,"ahargana":1873275.2708,"sun":{"sidereal_longitude":223.7813,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":259.8884,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.1071,"elapsed_within_tithi_degrees":0.1071},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.8884,"elapsed_within_degrees":6.5551},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.6698},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2027,"month":12,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461740.770833,"ahargana":1873275.2708,"kali_year":5129,"ayanamsa_lahiri":24.243,"grahas":{"sun":{"sidereal_longitude":224.35425699999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":257.91415699999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":-1.8982},"mars":{"sidereal_longitude":249.37565700000005,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":217.82725700000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":150.37415699999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":252.25635699999998,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":357.267757,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":284.8613,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":104.8613,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","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":2027,"month":12,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461740.770833,"kali_year":5129,"ahargana":1873275.2708,"sun":{"sidereal_longitude":223.7813,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":259.8884,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.1071,"elapsed_within_tithi_degrees":0.1071},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.8884,"elapsed_within_degrees":6.5551},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.6698},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.898,"elongation":36.107},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.898,"opposition_distance":143.893}},"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":"07:15","sunsetLocal":"17:22","solarNoonLocal":"12:18","dayLengthHours":10.112372840472633,"dayLengthDisplay":"10 Hours 06 Mins 45 Secs","nightLengthDisplay":"13 Hours 53 Mins 15 Secs","moonriseLocal":"09:34","moonsetLocal":"19:31","rahuKala":{"name":"Rāhu Kāla","start":"12:18","end":"13:34","startHours":12.302749156659992,"endHours":13.56679576171907,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:31","end":"09:46","startHours":8.510609341482754,"endHours":9.774655946541833,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:02","end":"12:18","startHours":11.038702551600913,"endHours":12.302749156659992,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:36","end":"09:57","startHours":9.606116399200623,"endHours":9.943195493883044,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:40","end":"07:56","startHours":7.667911604776701,"endHours":7.937574880522638,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:58","end":"12:38","startHours":11.96567006197757,"endHours":12.639828251342413,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:34","startHours":5.89824635769399,"endHours":6.572404547058833,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:24","end":"07:15","startHours":6.403864999717622,"endHours":7.246562736423675,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:59","end":"14:40","startHours":13.988144630072096,"endHours":14.662302819436938,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.158935576896308,"endHours":17.558935576896307,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:47","startHours":17.358935576896307,"endHours":17.780284445249332,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.108935576896307,"endHours":18.858935576896307,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:58","end":"00:38","startHours":23.965670061977573,"endHours":24.63982825134241,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:15","end":"08:31","startHours":7.246562736423675,"endHours":8.510609341482754,"quality":"auspicious"},{"name":"Amṛta","start":"08:31","end":"09:46","startHours":8.510609341482754,"endHours":9.774655946541833,"quality":"auspicious"},{"name":"Kāla","start":"09:46","end":"11:02","startHours":9.774655946541833,"endHours":11.038702551600913,"quality":"inauspicious"},{"name":"Śubha","start":"11:02","end":"12:18","startHours":11.038702551600913,"endHours":12.302749156659992,"quality":"auspicious"},{"name":"Roga","start":"12:18","end":"13:34","startHours":12.302749156659992,"endHours":13.56679576171907,"quality":"inauspicious"},{"name":"Udveg","start":"13:34","end":"14:50","startHours":13.56679576171907,"endHours":14.83084236677815,"quality":"inauspicious"},{"name":"Chala","start":"14:50","end":"16:06","startHours":14.83084236677815,"endHours":16.09488897183723,"quality":"neutral"},{"name":"Labha","start":"16:06","end":"17:22","startHours":16.09488897183723,"endHours":17.358935576896307,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:22","end":"19:06","startHours":17.358935576896307,"endHours":19.09488897183723,"quality":"inauspicious"},{"name":"Chala","start":"19:06","end":"20:50","startHours":19.09488897183723,"endHours":20.83084236677815,"quality":"neutral"},{"name":"Labha","start":"20:50","end":"22:34","startHours":20.83084236677815,"endHours":22.56679576171907,"quality":"auspicious"},{"name":"Amṛta","start":"22:34","end":"00:18","startHours":22.56679576171907,"endHours":24.302749156659992,"quality":"auspicious"},{"name":"Kāla","start":"00:18","end":"02:02","startHours":24.302749156659992,"endHours":26.038702551600913,"quality":"inauspicious"},{"name":"Śubha","start":"02:02","end":"03:46","startHours":26.038702551600913,"endHours":27.774655946541834,"quality":"auspicious"},{"name":"Roga","start":"03:46","end":"05:31","startHours":27.774655946541834,"endHours":29.510609341482755,"quality":"inauspicious"},{"name":"Udveg","start":"05:31","end":"07:15","startHours":29.510609341482755,"endHours":31.246562736423677,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:15","end":"08:15","startHours":7.246562736423675,"endHours":8.246562736423675,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:15","end":"09:15","startHours":8.246562736423675,"endHours":9.246562736423675,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:15","end":"10:15","startHours":9.246562736423675,"endHours":10.246562736423675,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:15","end":"11:15","startHours":10.246562736423675,"endHours":11.246562736423675,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:15","end":"12:15","startHours":11.246562736423675,"endHours":12.246562736423675,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:15","end":"13:15","startHours":12.246562736423675,"endHours":13.246562736423675,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:15","end":"14:15","startHours":13.246562736423675,"endHours":14.246562736423675,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:15","end":"15:15","startHours":14.246562736423675,"endHours":15.246562736423675,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:15","end":"16:15","startHours":15.246562736423675,"endHours":16.246562736423677,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:15","end":"17:15","startHours":16.246562736423677,"endHours":17.246562736423677,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:15","end":"18:15","startHours":17.246562736423677,"endHours":18.246562736423677,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:15","end":"19:15","startHours":18.246562736423677,"endHours":19.246562736423677,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:15","end":"20:15","startHours":19.246562736423677,"endHours":20.246562736423677,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:15","end":"21:15","startHours":20.246562736423677,"endHours":21.246562736423677,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:15","end":"22:15","startHours":21.246562736423677,"endHours":22.246562736423677,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:15","end":"23:15","startHours":22.246562736423677,"endHours":23.246562736423677,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:15","end":"00:15","startHours":23.246562736423677,"endHours":24.246562736423677,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:15","end":"01:15","startHours":24.246562736423677,"endHours":25.246562736423677,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:15","end":"02:15","startHours":25.246562736423677,"endHours":26.246562736423677,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:15","end":"03:15","startHours":26.246562736423677,"endHours":27.246562736423677,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:15","end":"04:15","startHours":27.246562736423677,"endHours":28.246562736423677,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:15","end":"05:15","startHours":28.246562736423677,"endHours":29.246562736423677,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:15","end":"06:15","startHours":29.246562736423677,"endHours":30.246562736423677,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:15","end":"07:15","startHours":30.246562736423677,"endHours":31.246562736423677,"planetary_lord":"Sun"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"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":-21.7343776393669,"eotMinutes":10.131050600400467,"ayanamsa":24.243}},"calendars":{"vikram_samvat":2084,"vikram_samvatsara":"Raudra","saka_samvat":1949,"saka_samvatsara":"Plavaṅga","bengali_samvat":1434,"malayalam_era":1203,"nanakshahi_year":558,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Caturthī · Vikram 2084 Raudra · Śaka 1949 Plavaṅga"},"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},{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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, 2027 CE · Phoenix, USA · Vidhyamitra","description":"December 1, 2027 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 07:15, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2027-12-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2027-12-01","sa":"https://sa.vidhyamitra.com/city/phoenix/2027-12-01","hi":"https://hi.vidhyamitra.com/city/phoenix/2027-12-01","x-default":"https://vidhyamitra.com/city/phoenix/2027-12-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:15:53.545Z","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":"2026-05-14T21:15:53.545Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:15:53.545Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}