{"id":"vidhyamitra:city-day:phoenix:2159-02-04:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2159-02-04","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2159-02-04","date_display":"February 4, 2159 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":2159,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509652.770833,"kali_year":5260,"ahargana":1921187.2708,"sun":{"sidereal_longitude":288.5129,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":126.0135,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":197.5007,"elapsed_within_tithi_degrees":5.5007},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.0135,"elapsed_within_degrees":6.0135},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.5264},"karana":{"half_tithi_index":32,"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":2159,"month":2,"day":4,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509652.770833,"ahargana":1921187.2708,"kali_year":5260,"ayanamsa_lahiri":26.0754,"grahas":{"sun":{"sidereal_longitude":288.86426600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":125.35436600000003,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false,"latitude":-2.8764},"mars":{"sidereal_longitude":208.60566600000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":301.343566,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":166.41456600000004,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"venus":{"sidereal_longitude":320.904766,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":180.92576600000007,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":266.253,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":86.253,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","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":2159,"month":2,"day":4,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509652.770833,"kali_year":5260,"ahargana":1921187.2708,"sun":{"sidereal_longitude":288.5129,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":126.0135,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":17,"name":"Dvitīyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Dvitīyā","elongation_degrees":197.5007,"elapsed_within_tithi_degrees":5.5007},"nakshatra":{"number":10,"name":"Maghā","pada":2,"moon_longitude":126.0135,"elapsed_within_degrees":6.0135},"yoga":{"number":5,"name":"Śobhana","sum_longitude":54.5264},"karana":{"half_tithi_index":32,"name":"Taitila"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.876,"elongation":162.499},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.876,"opposition_distance":17.501}},"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":"07:23","sunsetLocal":"18:02","solarNoonLocal":"12:42","dayLengthHours":10.651047135033664,"dayLengthDisplay":"10 Hours 39 Mins 04 Secs","nightLengthDisplay":"13 Hours 20 Mins 56 Secs","moonriseLocal":"19:16","moonsetLocal":"08:21","rahuKala":{"name":"Rāhu Kāla","start":"16:42","end":"18:02","startHours":16.700604748437513,"endHours":18.03198564031672,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:42","end":"14:02","startHours":12.706462072799887,"endHours":14.037842964679097,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:22","end":"16:42","startHours":15.369223856558303,"endHours":16.700604748437513,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:52","end":"10:13","startHours":9.86618283679091,"endHours":10.221217741292033,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:49","end":"08:07","startHours":7.824732135909459,"endHours":8.108760059510356,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.351427168298764,"endHours":13.06149697730101,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:40","startHours":5.9607988872785675,"endHours":6.670868696280811,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:30","end":"07:23","startHours":6.493351244030251,"endHours":7.380938505283056,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:29","end":"15:12","startHours":14.481636595305499,"endHours":15.191706404307743,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:50","end":"18:14","startHours":17.83198564031672,"endHours":18.23198564031672,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:02","end":"18:29","startHours":18.03198564031672,"endHours":18.47577927094312,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:47","end":"19:32","startHours":17.78198564031672,"endHours":19.53198564031672,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.351427168298766,"endHours":25.061496977301008,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:23","end":"08:43","startHours":7.380938505283056,"endHours":8.712319397162265,"quality":"inauspicious"},{"name":"Chala","start":"08:43","end":"10:03","startHours":8.712319397162265,"endHours":10.043700289041471,"quality":"neutral"},{"name":"Labha","start":"10:03","end":"11:23","startHours":10.043700289041471,"endHours":11.37508118092068,"quality":"auspicious"},{"name":"Amṛta","start":"11:23","end":"12:42","startHours":11.37508118092068,"endHours":12.706462072799887,"quality":"auspicious"},{"name":"Kāla","start":"12:42","end":"14:02","startHours":12.706462072799887,"endHours":14.037842964679097,"quality":"inauspicious"},{"name":"Śubha","start":"14:02","end":"15:22","startHours":14.037842964679097,"endHours":15.369223856558303,"quality":"auspicious"},{"name":"Roga","start":"15:22","end":"16:42","startHours":15.369223856558303,"endHours":16.700604748437513,"quality":"inauspicious"},{"name":"Udveg","start":"16:42","end":"18:02","startHours":16.700604748437513,"endHours":18.03198564031672,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:02","end":"19:42","startHours":18.03198564031672,"endHours":19.700604748437513,"quality":"auspicious"},{"name":"Roga","start":"19:42","end":"21:22","startHours":19.700604748437513,"endHours":21.369223856558303,"quality":"inauspicious"},{"name":"Udveg","start":"21:22","end":"23:02","startHours":21.369223856558303,"endHours":23.037842964679093,"quality":"inauspicious"},{"name":"Chala","start":"23:02","end":"00:42","startHours":23.037842964679093,"endHours":24.706462072799887,"quality":"neutral"},{"name":"Labha","start":"00:42","end":"02:23","startHours":24.706462072799887,"endHours":26.37508118092068,"quality":"auspicious"},{"name":"Amṛta","start":"02:23","end":"04:03","startHours":26.37508118092068,"endHours":28.04370028904147,"quality":"auspicious"},{"name":"Kāla","start":"04:03","end":"05:43","startHours":28.04370028904147,"endHours":29.71231939716226,"quality":"inauspicious"},{"name":"Śubha","start":"05:43","end":"07:23","startHours":29.71231939716226,"endHours":31.380938505283055,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:23","end":"08:23","startHours":7.380938505283056,"endHours":8.380938505283055,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:23","end":"09:23","startHours":8.380938505283055,"endHours":9.380938505283055,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:23","end":"10:23","startHours":9.380938505283055,"endHours":10.380938505283055,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:23","end":"11:23","startHours":10.380938505283055,"endHours":11.380938505283055,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:23","end":"12:23","startHours":11.380938505283055,"endHours":12.380938505283055,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:23","end":"13:23","startHours":12.380938505283055,"endHours":13.380938505283055,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:23","end":"14:23","startHours":13.380938505283055,"endHours":14.380938505283055,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:23","end":"15:23","startHours":14.380938505283055,"endHours":15.380938505283055,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:23","end":"16:23","startHours":15.380938505283055,"endHours":16.380938505283055,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:23","end":"17:23","startHours":16.380938505283055,"endHours":17.380938505283055,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:23","end":"18:23","startHours":17.380938505283055,"endHours":18.380938505283055,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:23","end":"19:23","startHours":18.380938505283055,"endHours":19.380938505283055,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:23","end":"20:23","startHours":19.380938505283055,"endHours":20.380938505283055,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:23","end":"21:23","startHours":20.380938505283055,"endHours":21.380938505283055,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:23","end":"22:23","startHours":21.380938505283055,"endHours":22.380938505283055,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:23","end":"23:23","startHours":22.380938505283055,"endHours":23.380938505283055,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:23","end":"00:23","startHours":23.380938505283055,"endHours":24.380938505283055,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:23","end":"01:23","startHours":24.380938505283055,"endHours":25.380938505283055,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:23","end":"02:23","startHours":25.380938505283055,"endHours":26.380938505283055,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:23","end":"03:23","startHours":26.380938505283055,"endHours":27.380938505283055,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:23","end":"04:23","startHours":27.380938505283055,"endHours":28.380938505283055,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:23","end":"05:23","startHours":28.380938505283055,"endHours":29.380938505283055,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:23","end":"06:23","startHours":29.380938505283055,"endHours":30.380938505283055,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:23","end":"07:23","startHours":30.380938505283055,"endHours":31.380938505283055,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Svātī","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"unfavorable_nakshatras":["Aśvinī","Punarvasu","Puṣya","Aśleṣā","Maghā","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Bhādrapadā","Uttara Bhādrapadā","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":"West (Paścim)","chandraVasa":"West","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-16.35185861185285,"eotMinutes":-14.091724367993354,"ayanamsa":26.0754}},"calendars":{"vikram_samvat":2216,"vikram_samvatsara":"Aṅgirasa","saka_samvat":2081,"saka_samvatsara":"Siddhārthī","bengali_samvat":1566,"malayalam_era":1335,"nanakshahi_year":690,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Dvitīyā · Vikram 2216 Aṅgirasa · Śaka 2081 Siddhārthī"},"festivals":[],"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":[]},"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 4, 2159 CE · Phoenix, USA · Vidhyamitra","description":"February 4, 2159 CE for Phoenix, USA: Kṛṣṇa Dvitīyā, sūryodaya 07:23, sūryāsta 18:02.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2159-02-04","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2159-02-04","sa":"https://sa.vidhyamitra.com/city/phoenix/2159-02-04","hi":"https://hi.vidhyamitra.com/city/phoenix/2159-02-04","x-default":"https://vidhyamitra.com/city/phoenix/2159-02-04"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-28T17:15:42.768Z","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":"2026-05-28T17:15:42.768Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-28T17:15:42.768Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}