{"id":"vidhyamitra:city-day:phoenix:2139-02-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2139-02-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2139-02-08","date_display":"February 8, 2139 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":2139,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502351.770833,"kali_year":5240,"ahargana":1913886.2708,"sun":{"sidereal_longitude":292.7746,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":43.5633,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.7887,"elapsed_within_tithi_degrees":2.7887},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":43.5633,"elapsed_within_degrees":3.5633},"yoga":{"number":26,"name":"Indra","sum_longitude":336.3379},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2139,"month":2,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2502351.770833,"ahargana":1913886.2708,"kali_year":5240,"ayanamsa_lahiri":25.7962,"grahas":{"sun":{"sidereal_longitude":293.052318,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":46.396118,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":4.2154},"mars":{"sidereal_longitude":304.86411799999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":306.1571180000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":268.94471799999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":252.98731799999996,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":282.58301800000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":293.0951,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":113.0951,"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":2139,"month":2,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2502351.770833,"kali_year":5240,"ahargana":1913886.2708,"sun":{"sidereal_longitude":292.7746,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":43.5633,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":110.7887,"elapsed_within_tithi_degrees":2.7887},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2,"moon_longitude":43.5633,"elapsed_within_degrees":3.5633},"yoga":{"number":26,"name":"Indra","sum_longitude":336.3379},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.215,"elongation":110.789},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.215,"opposition_distance":69.211}},"eclipse_window_40days":[{"offset_days":6,"type":"lunar","occurs":true,"moon_latitude":-0.678,"opposition_distance":2.561}]},"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":"07:20","sunsetLocal":"18:06","solarNoonLocal":"12:43","dayLengthHours":10.763999420285636,"dayLengthDisplay":"10 Hours 45 Mins 50 Secs","nightLengthDisplay":"13 Hours 14 Mins 10 Secs","moonriseLocal":"13:10","moonsetLocal":"03:22","rahuKala":{"name":"Rāhu Kāla","start":"16:45","end":"18:06","startHours":16.74888268395148,"endHours":18.094382611487184,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:43","end":"14:03","startHours":12.712382901344366,"endHours":14.05788282888007,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:24","end":"16:45","startHours":15.403382756415773,"endHours":16.74888268395148,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:12","startHours":9.841983055934863,"endHours":10.20078303661105,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:04","startHours":7.778883167046782,"endHours":8.065923151587732,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.353582920668178,"endHours":13.071182882020555,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:37","startHours":5.895183268496796,"endHours":6.612783229849172,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:20","startHours":6.433383239511078,"endHours":7.330383191201547,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:13","startHours":14.506382804725305,"endHours":15.22398276607768,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:54","end":"18:18","startHours":17.894382611487185,"endHours":18.294382611487183,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:06","end":"18:33","startHours":18.094382611487184,"endHours":18.542882587332418,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:51","end":"19:36","startHours":17.844382611487184,"endHours":19.594382611487184,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.353582920668178,"endHours":25.071182882020555,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:20","end":"08:41","startHours":7.330383191201547,"endHours":8.675883118737252,"quality":"inauspicious"},{"name":"Chala","start":"08:41","end":"10:01","startHours":8.675883118737252,"endHours":10.021383046272955,"quality":"neutral"},{"name":"Labha","start":"10:01","end":"11:22","startHours":10.021383046272955,"endHours":11.36688297380866,"quality":"auspicious"},{"name":"Amṛta","start":"11:22","end":"12:43","startHours":11.36688297380866,"endHours":12.712382901344366,"quality":"auspicious"},{"name":"Kāla","start":"12:43","end":"14:03","startHours":12.712382901344366,"endHours":14.05788282888007,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:24","startHours":14.05788282888007,"endHours":15.403382756415773,"quality":"auspicious"},{"name":"Roga","start":"15:24","end":"16:45","startHours":15.403382756415773,"endHours":16.74888268395148,"quality":"inauspicious"},{"name":"Udveg","start":"16:45","end":"18:06","startHours":16.74888268395148,"endHours":18.094382611487184,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:06","end":"19:45","startHours":18.094382611487184,"endHours":19.74888268395148,"quality":"auspicious"},{"name":"Roga","start":"19:45","end":"21:24","startHours":19.74888268395148,"endHours":21.403382756415773,"quality":"inauspicious"},{"name":"Udveg","start":"21:24","end":"23:03","startHours":21.403382756415773,"endHours":23.05788282888007,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:43","startHours":23.05788282888007,"endHours":24.712382901344366,"quality":"neutral"},{"name":"Labha","start":"00:43","end":"02:22","startHours":24.712382901344366,"endHours":26.36688297380866,"quality":"auspicious"},{"name":"Amṛta","start":"02:22","end":"04:01","startHours":26.36688297380866,"endHours":28.02138304627296,"quality":"auspicious"},{"name":"Kāla","start":"04:01","end":"05:41","startHours":28.02138304627296,"endHours":29.675883118737254,"quality":"inauspicious"},{"name":"Śubha","start":"05:41","end":"07:20","startHours":29.675883118737254,"endHours":31.33038319120155,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:20","end":"08:20","startHours":7.330383191201547,"endHours":8.330383191201548,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:20","end":"09:20","startHours":8.330383191201548,"endHours":9.330383191201548,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:20","end":"10:20","startHours":9.330383191201548,"endHours":10.330383191201548,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:20","end":"11:20","startHours":10.330383191201548,"endHours":11.330383191201548,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:20","end":"12:20","startHours":11.330383191201548,"endHours":12.330383191201548,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:20","end":"13:20","startHours":12.330383191201548,"endHours":13.330383191201548,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:20","end":"14:20","startHours":13.330383191201548,"endHours":14.330383191201548,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:20","end":"15:20","startHours":14.330383191201548,"endHours":15.330383191201548,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:20","end":"16:20","startHours":15.330383191201548,"endHours":16.33038319120155,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:20","end":"17:20","startHours":16.33038319120155,"endHours":17.33038319120155,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:20","end":"18:20","startHours":17.33038319120155,"endHours":18.33038319120155,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:20","end":"19:20","startHours":18.33038319120155,"endHours":19.33038319120155,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:20","end":"20:20","startHours":19.33038319120155,"endHours":20.33038319120155,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:20","end":"21:20","startHours":20.33038319120155,"endHours":21.33038319120155,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:20","end":"22:20","startHours":21.33038319120155,"endHours":22.33038319120155,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:20","end":"23:20","startHours":22.33038319120155,"endHours":23.33038319120155,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:20","end":"00:20","startHours":23.33038319120155,"endHours":24.33038319120155,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:20","end":"01:20","startHours":24.33038319120155,"endHours":25.33038319120155,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:20","end":"02:20","startHours":25.33038319120155,"endHours":26.33038319120155,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:20","end":"03:20","startHours":26.33038319120155,"endHours":27.33038319120155,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:20","end":"04:20","startHours":27.33038319120155,"endHours":28.33038319120155,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:20","end":"05:20","startHours":28.33038319120155,"endHours":29.33038319120155,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:20","end":"06:20","startHours":29.33038319120155,"endHours":30.33038319120155,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:20","end":"07:20","startHours":30.33038319120155,"endHours":31.33038319120155,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"West (Paścim)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Prajāpati","quality":"Auspicious"},"drikRitu":"Śiśira (Winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-15.172660258839489,"eotMinutes":-14.446974080661976,"ayanamsa":25.7962}},"calendars":{"vikram_samvat":2196,"vikram_samvatsara":"Paridhāvi","saka_samvat":2061,"saka_samvatsara":"Vikāri","bengali_samvat":1546,"malayalam_era":1315,"nanakshahi_year":670,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Daśamī · Vikram 2196 Paridhāvi · Śaka 2061 Vikāri"},"festivals":[{"id":"makara-sankranti","name":"Makara Saṅkrānti (Uttarāyaṇa)","name_sanskrit":"मकर सङ्क्रान्ति","tradition":"Pan-Hindu","associated_deity":"Sūrya Bhagavān","significance":"Sun enters Capricorn; Uttarāyaṇa (north-going) begins. Bhīṣma's chosen mahaprasthāna time.","vrata":true,"detection":{"sun_rashi":"Makara"},"precedence":1,"sources":["Mahābhārata Bhīṣma-Stuti","Sūrya-Siddhānta"]},{"id":"pongal","name":"Pongal / Thai Pongal","name_sanskrit":"पोङ्गल","tradition":"Regional","associated_deity":"Sūrya Bhagavān","significance":"Tamil 4-day harvest festival; coincides with Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi":"Makara"},"precedence":2}],"todays_walk":{"walk":{"id":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"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 February 8, 2139 CE · Phoenix, USA · Vidhyamitra","description":"February 8, 2139 CE for Phoenix, USA: Śukla Daśamī, sūryodaya 07:20, sūryāsta 18:06.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2139-02-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2139-02-08","sa":"https://sa.vidhyamitra.com/city/phoenix/2139-02-08","hi":"https://hi.vidhyamitra.com/city/phoenix/2139-02-08","x-default":"https://vidhyamitra.com/city/phoenix/2139-02-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-25T18:41:18.135Z","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":"2026-05-25T18:41:18.135Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-25T18:41:18.135Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}