{"id":"vidhyamitra:city-day:phoenix:2025-10-06:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2025-10-06","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-10-06","date_display":"October 6, 2025 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":2025,"month":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460954.770833,"kali_year":5127,"ahargana":1872489.2708,"sun":{"sidereal_longitude":168.0264,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":332.3763,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.3499,"elapsed_within_tithi_degrees":8.3499},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.3763,"elapsed_within_degrees":12.3763},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.4027},"karana":{"half_tithi_index":27,"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":2025,"month":10,"day":6,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460954.770833,"ahargana":1872489.2708,"kali_year":5127,"ayanamsa_lahiri":24.2129,"grahas":{"sun":{"sidereal_longitude":168.83368800000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"moon":{"sidereal_longitude":333.44908799999996,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false,"latitude":0.4597},"mars":{"sidereal_longitude":194.73708799999997,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":184.34288800000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":88.72238800000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"venus":{"sidereal_longitude":145.74528800000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":333.23898800000006,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":326.5074,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":146.5074,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","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":2025,"month":10,"day":6,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460954.770833,"kali_year":5127,"ahargana":1872489.2708,"sun":{"sidereal_longitude":168.0264,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":332.3763,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":164.3499,"elapsed_within_tithi_degrees":8.3499},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4,"moon_longitude":332.3763,"elapsed_within_degrees":12.3763},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":140.4027},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.46,"elongation":164.35},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.46,"opposition_distance":15.65}},"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":"06:25","sunsetLocal":"18:06","solarNoonLocal":"12:16","dayLengthHours":11.678609080267487,"dayLengthDisplay":"11 Hours 40 Mins 43 Secs","nightLengthDisplay":"12 Hours 19 Mins 17 Secs","moonriseLocal":"17:14","moonsetLocal":"05:14","rahuKala":{"name":"Rāhu Kāla","start":"07:53","end":"09:20","startHours":7.8807945082685675,"endHours":9.340620643302003,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"10:48","end":"12:16","startHours":10.80044677833544,"endHours":12.260272913368876,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:43","end":"15:11","startHours":13.72009904840231,"endHours":15.179925183435747,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:09","end":"09:32","startHours":9.14597715863088,"endHours":9.535264127973129,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:54","end":"07:13","startHours":6.907577084912944,"endHours":7.219006660386744,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:52","end":"12:39","startHours":11.870985944026627,"endHours":12.649559882711126,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:52","end":"05:39","startHours":4.8638204958661335,"endHours":5.642394434550633,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:27","end":"06:25","startHours":5.447750949879508,"endHours":6.420968373235132,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:59","startHours":14.206707760080123,"endHours":14.985281698764622,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.89957745350262,"endHours":18.299577453502618,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:35","startHours":18.09957745350262,"endHours":18.58618616518043,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.84957745350262,"endHours":19.59957745350262,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:52","end":"00:39","startHours":23.870985944026625,"endHours":24.649559882711127,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:25","end":"07:53","startHours":6.420968373235132,"endHours":7.8807945082685675,"quality":"auspicious"},{"name":"Kāla","start":"07:53","end":"09:20","startHours":7.8807945082685675,"endHours":9.340620643302003,"quality":"inauspicious"},{"name":"Śubha","start":"09:20","end":"10:48","startHours":9.340620643302003,"endHours":10.80044677833544,"quality":"auspicious"},{"name":"Roga","start":"10:48","end":"12:16","startHours":10.80044677833544,"endHours":12.260272913368876,"quality":"inauspicious"},{"name":"Udveg","start":"12:16","end":"13:43","startHours":12.260272913368876,"endHours":13.72009904840231,"quality":"inauspicious"},{"name":"Chala","start":"13:43","end":"15:11","startHours":13.72009904840231,"endHours":15.179925183435747,"quality":"neutral"},{"name":"Labha","start":"15:11","end":"16:38","startHours":15.179925183435747,"endHours":16.63975131846918,"quality":"auspicious"},{"name":"Amṛta","start":"16:38","end":"18:06","startHours":16.63975131846918,"endHours":18.09957745350262,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:06","end":"19:38","startHours":18.09957745350262,"endHours":19.639751318469184,"quality":"neutral"},{"name":"Labha","start":"19:38","end":"21:11","startHours":19.639751318469184,"endHours":21.179925183435746,"quality":"auspicious"},{"name":"Amṛta","start":"21:11","end":"22:43","startHours":21.179925183435746,"endHours":22.72009904840231,"quality":"auspicious"},{"name":"Kāla","start":"22:43","end":"00:16","startHours":22.72009904840231,"endHours":24.260272913368876,"quality":"inauspicious"},{"name":"Śubha","start":"00:16","end":"01:48","startHours":24.260272913368876,"endHours":25.80044677833544,"quality":"auspicious"},{"name":"Roga","start":"01:48","end":"03:20","startHours":25.80044677833544,"endHours":27.340620643302003,"quality":"inauspicious"},{"name":"Udveg","start":"03:20","end":"04:53","startHours":27.340620643302003,"endHours":28.88079450826857,"quality":"inauspicious"},{"name":"Chala","start":"04:53","end":"06:25","startHours":28.88079450826857,"endHours":30.420968373235134,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:25","end":"07:25","startHours":6.420968373235132,"endHours":7.420968373235132,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:25","end":"08:25","startHours":7.420968373235132,"endHours":8.420968373235132,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:25","end":"09:25","startHours":8.420968373235132,"endHours":9.420968373235132,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:25","end":"10:25","startHours":9.420968373235132,"endHours":10.420968373235132,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:25","end":"11:25","startHours":10.420968373235132,"endHours":11.420968373235132,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:25","end":"12:25","startHours":11.420968373235132,"endHours":12.420968373235132,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:25","end":"13:25","startHours":12.420968373235132,"endHours":13.420968373235132,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:25","end":"14:25","startHours":13.420968373235132,"endHours":14.420968373235132,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:25","end":"15:25","startHours":14.420968373235132,"endHours":15.420968373235132,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:25","end":"16:25","startHours":15.420968373235132,"endHours":16.420968373235134,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:25","end":"17:25","startHours":16.420968373235134,"endHours":17.420968373235134,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:25","end":"18:25","startHours":17.420968373235134,"endHours":18.420968373235134,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:25","end":"19:25","startHours":18.420968373235134,"endHours":19.420968373235134,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:25","end":"20:25","startHours":19.420968373235134,"endHours":20.420968373235134,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:25","end":"21:25","startHours":20.420968373235134,"endHours":21.420968373235134,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:25","end":"22:25","startHours":21.420968373235134,"endHours":22.420968373235134,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:25","end":"23:25","startHours":22.420968373235134,"endHours":23.420968373235134,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:25","end":"00:25","startHours":23.420968373235134,"endHours":24.420968373235134,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:25","end":"01:25","startHours":24.420968373235134,"endHours":25.420968373235134,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:25","end":"02:25","startHours":25.420968373235134,"endHours":26.420968373235134,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:25","end":"03:25","startHours":26.420968373235134,"endHours":27.420968373235134,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:25","end":"04:25","startHours":27.420968373235134,"endHours":28.420968373235134,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:25","end":"05:25","startHours":28.420968373235134,"endHours":29.420968373235134,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:25","end":"06:25","startHours":29.420968373235134,"endHours":30.420968373235134,"planetary_lord":"Venus"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"North-East","anandadiYoga":{"name":"Ānanda","quality":"Auspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.151262581480658,"eotMinutes":12.679625197867345,"ayanamsa":24.2129}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Caturdaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"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 October 6, 2025 CE · Phoenix, USA · Vidhyamitra","description":"October 6, 2025 CE for Phoenix, USA: Śukla Caturdaśī, sūryodaya 06:25, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2025-10-06","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2025-10-06","sa":"https://sa.vidhyamitra.com/city/phoenix/2025-10-06","hi":"https://hi.vidhyamitra.com/city/phoenix/2025-10-06","x-default":"https://vidhyamitra.com/city/phoenix/2025-10-06"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T21:31:39.366Z","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":"2026-05-14T21:31:39.366Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T21:31:39.366Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}