{"id":"vidhyamitra:city-day:phoenix:1969-02-01:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1969-02-01","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1969-02-01","date_display":"February 1, 1969 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":1969,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440253.770833,"kali_year":5070,"ahargana":1851788.2708,"sun":{"sidereal_longitude":288.6801,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.9589,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.2787,"elapsed_within_tithi_degrees":6.2787},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.9589,"elapsed_within_degrees":10.9589},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.639},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"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":1969,"month":2,"day":1,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2440253.770833,"ahargana":1851788.2708,"kali_year":5070,"ayanamsa_lahiri":23.4212,"grahas":{"sun":{"sidereal_longitude":288.58841800000005,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"moon":{"sidereal_longitude":91.77131800000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":4.2886},"mars":{"sidereal_longitude":205.16221799999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":282.97141799999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":162.944618,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":true},"venus":{"sidereal_longitude":335.885218,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":357.357118,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":343.346,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":163.346,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":1969,"month":2,"day":1,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2440253.770833,"kali_year":5070,"ahargana":1851788.2708,"sun":{"sidereal_longitude":288.6801,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":90.9589,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":14,"name":"Caturdaśī","paksha":"Śukla","full_name":"Śukla Caturdaśī","elongation_degrees":162.2787,"elapsed_within_tithi_degrees":6.2787},"nakshatra":{"number":7,"name":"Punarvasu","pada":4,"moon_longitude":90.9589,"elapsed_within_degrees":10.9589},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.639},"karana":{"half_tithi_index":27,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.289,"elongation":162.279},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.289,"opposition_distance":17.721}},"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":"07:25","sunsetLocal":"17:59","solarNoonLocal":"12:42","dayLengthHours":10.569867211238467,"dayLengthDisplay":"10 Hours 34 Mins 12 Secs","nightLengthDisplay":"13 Hours 25 Mins 48 Secs","moonriseLocal":"16:33","moonsetLocal":"06:37","rahuKala":{"name":"Rāhu Kāla","start":"10:03","end":"11:23","startHours":10.057288999146973,"endHours":11.378522400551782,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:01","end":"15:21","startHours":14.020989203361399,"endHours":15.342222604766206,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:25","end":"08:44","startHours":7.414822196337357,"endHours":8.736055597742165,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:14","startHours":9.881124545626333,"endHours":10.233453452667614,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:51","end":"08:08","startHours":7.85523333013896,"endHours":8.137096455771985,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:03","startHours":12.347426894915309,"endHours":13.052084708997874,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:00","end":"06:43","startHours":6.005506568172228,"endHours":6.710164382254793,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:32","end":"07:25","startHours":6.5339999287341515,"endHours":7.414822196337357,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:28","end":"15:10","startHours":14.461400337163003,"endHours":15.166058151245567,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:47","end":"18:11","startHours":17.784689407575826,"endHours":18.184689407575824,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:59","end":"18:26","startHours":17.984689407575825,"endHours":18.42510054137743,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:44","end":"19:29","startHours":17.734689407575825,"endHours":19.484689407575825,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:03","startHours":24.34742689491531,"endHours":25.052084708997874,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:25","end":"08:44","startHours":7.414822196337357,"endHours":8.736055597742165,"quality":"inauspicious"},{"name":"Śubha","start":"08:44","end":"10:03","startHours":8.736055597742165,"endHours":10.057288999146973,"quality":"auspicious"},{"name":"Roga","start":"10:03","end":"11:23","startHours":10.057288999146973,"endHours":11.378522400551782,"quality":"inauspicious"},{"name":"Udveg","start":"11:23","end":"12:42","startHours":11.378522400551782,"endHours":12.699755801956591,"quality":"inauspicious"},{"name":"Chala","start":"12:42","end":"14:01","startHours":12.699755801956591,"endHours":14.020989203361399,"quality":"neutral"},{"name":"Labha","start":"14:01","end":"15:21","startHours":14.020989203361399,"endHours":15.342222604766206,"quality":"auspicious"},{"name":"Amṛta","start":"15:21","end":"16:40","startHours":15.342222604766206,"endHours":16.663456006171018,"quality":"auspicious"},{"name":"Kāla","start":"16:40","end":"17:59","startHours":16.663456006171018,"endHours":17.984689407575825,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:59","end":"19:40","startHours":17.984689407575825,"endHours":19.663456006171018,"quality":"auspicious"},{"name":"Amṛta","start":"19:40","end":"21:21","startHours":19.663456006171018,"endHours":21.342222604766206,"quality":"auspicious"},{"name":"Kāla","start":"21:21","end":"23:01","startHours":21.342222604766206,"endHours":23.0209892033614,"quality":"inauspicious"},{"name":"Śubha","start":"23:01","end":"00:42","startHours":23.0209892033614,"endHours":24.69975580195659,"quality":"auspicious"},{"name":"Roga","start":"00:42","end":"02:23","startHours":24.69975580195659,"endHours":26.378522400551784,"quality":"inauspicious"},{"name":"Udveg","start":"02:23","end":"04:03","startHours":26.378522400551784,"endHours":28.057288999146976,"quality":"inauspicious"},{"name":"Chala","start":"04:03","end":"05:44","startHours":28.057288999146976,"endHours":29.736055597742165,"quality":"neutral"},{"name":"Labha","start":"05:44","end":"07:25","startHours":29.736055597742165,"endHours":31.414822196337358,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.414822196337357,"endHours":8.414822196337358,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.414822196337358,"endHours":9.414822196337358,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.414822196337358,"endHours":10.414822196337358,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.414822196337358,"endHours":11.414822196337358,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.414822196337358,"endHours":12.414822196337358,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.414822196337358,"endHours":13.414822196337358,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.414822196337358,"endHours":14.414822196337358,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.414822196337358,"endHours":15.414822196337358,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.414822196337358,"endHours":16.414822196337358,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.414822196337358,"endHours":17.414822196337358,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.414822196337358,"endHours":18.414822196337358,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.414822196337358,"endHours":19.414822196337358,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.414822196337358,"endHours":20.414822196337358,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.414822196337358,"endHours":21.414822196337358,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.414822196337358,"endHours":22.414822196337358,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.414822196337358,"endHours":23.414822196337358,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.414822196337358,"endHours":24.414822196337358,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.414822196337358,"endHours":25.414822196337358,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.414822196337358,"endHours":26.414822196337358,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.414822196337358,"endHours":27.414822196337358,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.414822196337358,"endHours":28.414822196337358,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.414822196337358,"endHours":29.414822196337358,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.414822196337358,"endHours":30.414822196337358,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.414822196337358,"endHours":31.414822196337358,"planetary_lord":"Mercury"}],"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":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Dhūmra","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":-17.189209731694756,"eotMinutes":-13.689348117395623,"ayanamsa":23.4212}},"calendars":{"vikram_samvat":2026,"vikram_samvatsara":"Dundubhi","saka_samvat":1891,"saka_samvatsara":"Saumya","bengali_samvat":1376,"malayalam_era":1145,"nanakshahi_year":500,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Caturdaśī · Vikram 2026 Dundubhi · Śaka 1891 Saumya"},"festivals":[],"todays_walk":{"walk":{"id":"shani-walk","name":"Śani Walk","name_sanskrit":"शनि यात्रा","type":"graha","description":"Tapas + endurance + BG 17.14-19.","step_count":7,"url":"/walk/shani-walk"},"reason":"Śanivāra (Saturday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-1626101-04-03","event":"Bhagavān Rāma's birth at Ayodhyā","chart_id":"rama","shared_marker":"same Punarvasu","url":"/day/-1626101-04-03","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 1, 1969 CE · Phoenix, USA · Vidhyamitra","description":"February 1, 1969 CE for Phoenix, USA: Śukla Caturdaśī, sūryodaya 07:25, sūryāsta 17:59.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1969-02-01","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1969-02-01","sa":"https://sa.vidhyamitra.com/city/phoenix/1969-02-01","hi":"https://hi.vidhyamitra.com/city/phoenix/1969-02-01","x-default":"https://vidhyamitra.com/city/phoenix/1969-02-01"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T19:46:54.050Z","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":"2026-06-02T19:46:54.050Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T19:46:54.050Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}