{"id":"vidhyamitra:city-day:phoenix:1985-02-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/1985-02-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1985-02-15","date_display":"February 15, 1985 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":1985,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446111.770833,"kali_year":5086,"ahargana":1857646.2708,"sun":{"sidereal_longitude":302.7947,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":245.771,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.9762,"elapsed_within_tithi_degrees":2.9762},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.771,"elapsed_within_degrees":5.771},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.5657},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":1985,"month":2,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2446111.770833,"ahargana":1857646.2708,"kali_year":5086,"ayanamsa_lahiri":23.6452,"grahas":{"sun":{"sidereal_longitude":302.6594,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":246.60390000000007,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false,"latitude":-2.4366},"mars":{"sidereal_longitude":345.784,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":299.51279999999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":279.16779999999994,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"venus":{"sidereal_longitude":347.3239,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":213.75430000000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":32.961,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":212.961,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","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":1985,"month":2,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2446111.770833,"kali_year":5086,"ahargana":1857646.2708,"sun":{"sidereal_longitude":302.7947,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":245.771,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":302.9762,"elapsed_within_tithi_degrees":2.9762},"nakshatra":{"number":19,"name":"Mūla","pada":2,"moon_longitude":245.771,"elapsed_within_degrees":5.771},"yoga":{"number":15,"name":"Vajra","sum_longitude":188.5657},"karana":{"half_tithi_index":50,"name":"Bava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.437,"elongation":57.024},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.437,"opposition_distance":122.976}},"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":"07:13","sunsetLocal":"18:13","solarNoonLocal":"12:43","dayLengthHours":10.991872698804292,"dayLengthDisplay":"10 Hours 59 Mins 31 Secs","nightLengthDisplay":"13 Hours 00 Mins 29 Secs","moonriseLocal":"04:02","moonsetLocal":"13:55","rahuKala":{"name":"Rāhu Kāla","start":"11:20","end":"12:43","startHours":11.340466930106128,"endHours":12.714451017456664,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:28","end":"16:50","startHours":15.462419192157737,"endHours":16.836403279508275,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:36","end":"09:58","startHours":8.592498755405055,"endHours":9.966482842755592,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:47","end":"10:09","startHours":9.783284964442187,"endHours":10.149680721068997,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:41","end":"07:58","startHours":7.676509363838031,"endHours":7.969625969139479,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:05","startHours":12.348055260829854,"endHours":13.080846774083474,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:45","end":"06:29","startHours":5.75293164154728,"endHours":6.485723154800899,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:18","end":"07:13","startHours":6.302525276487495,"endHours":7.218514668054519,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:33","end":"15:17","startHours":14.546429800590714,"endHours":15.279221313844333,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:01","end":"18:25","startHours":18.01038736685881,"endHours":18.41038736685881,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:13","end":"18:40","startHours":18.21038736685881,"endHours":18.668382062642323,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:58","end":"19:43","startHours":17.96038736685881,"endHours":19.71038736685881,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:05","startHours":24.348055260829856,"endHours":25.080846774083472,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:13","end":"08:36","startHours":7.218514668054519,"endHours":8.592498755405055,"quality":"neutral"},{"name":"Labha","start":"08:36","end":"09:58","startHours":8.592498755405055,"endHours":9.966482842755592,"quality":"auspicious"},{"name":"Amṛta","start":"09:58","end":"11:20","startHours":9.966482842755592,"endHours":11.340466930106128,"quality":"auspicious"},{"name":"Kāla","start":"11:20","end":"12:43","startHours":11.340466930106128,"endHours":12.714451017456664,"quality":"inauspicious"},{"name":"Śubha","start":"12:43","end":"14:05","startHours":12.714451017456664,"endHours":14.088435104807202,"quality":"auspicious"},{"name":"Roga","start":"14:05","end":"15:28","startHours":14.088435104807202,"endHours":15.462419192157737,"quality":"inauspicious"},{"name":"Udveg","start":"15:28","end":"16:50","startHours":15.462419192157737,"endHours":16.836403279508275,"quality":"inauspicious"},{"name":"Chala","start":"16:50","end":"18:13","startHours":16.836403279508275,"endHours":18.21038736685881,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"18:13","end":"19:50","startHours":18.21038736685881,"endHours":19.836403279508275,"quality":"inauspicious"},{"name":"Udveg","start":"19:50","end":"21:28","startHours":19.836403279508275,"endHours":21.46241919215774,"quality":"inauspicious"},{"name":"Chala","start":"21:28","end":"23:05","startHours":21.46241919215774,"endHours":23.088435104807203,"quality":"neutral"},{"name":"Labha","start":"23:05","end":"00:43","startHours":23.088435104807203,"endHours":24.714451017456664,"quality":"auspicious"},{"name":"Amṛta","start":"00:43","end":"02:20","startHours":24.714451017456664,"endHours":26.34046693010613,"quality":"auspicious"},{"name":"Kāla","start":"02:20","end":"03:58","startHours":26.34046693010613,"endHours":27.966482842755592,"quality":"inauspicious"},{"name":"Śubha","start":"03:58","end":"05:36","startHours":27.966482842755592,"endHours":29.592498755405053,"quality":"auspicious"},{"name":"Roga","start":"05:36","end":"07:13","startHours":29.592498755405053,"endHours":31.218514668054517,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:13","end":"08:13","startHours":7.218514668054519,"endHours":8.21851466805452,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:13","end":"09:13","startHours":8.21851466805452,"endHours":9.21851466805452,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:13","end":"10:13","startHours":9.21851466805452,"endHours":10.21851466805452,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:13","end":"11:13","startHours":10.21851466805452,"endHours":11.21851466805452,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:13","end":"12:13","startHours":11.21851466805452,"endHours":12.21851466805452,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:13","end":"13:13","startHours":12.21851466805452,"endHours":13.21851466805452,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:13","end":"14:13","startHours":13.21851466805452,"endHours":14.21851466805452,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:13","end":"15:13","startHours":14.21851466805452,"endHours":15.21851466805452,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:13","end":"16:13","startHours":15.21851466805452,"endHours":16.218514668054517,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:13","end":"17:13","startHours":16.218514668054517,"endHours":17.218514668054517,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:13","end":"18:13","startHours":17.218514668054517,"endHours":18.218514668054517,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:13","end":"19:13","startHours":18.218514668054517,"endHours":19.218514668054517,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:13","end":"20:13","startHours":19.218514668054517,"endHours":20.218514668054517,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:13","end":"21:13","startHours":20.218514668054517,"endHours":21.218514668054517,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:13","end":"22:13","startHours":21.218514668054517,"endHours":22.218514668054517,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:13","end":"23:13","startHours":22.218514668054517,"endHours":23.218514668054517,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:13","end":"00:13","startHours":23.218514668054517,"endHours":24.218514668054517,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:13","end":"01:13","startHours":24.218514668054517,"endHours":25.218514668054517,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:13","end":"02:13","startHours":25.218514668054517,"endHours":26.218514668054517,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:13","end":"03:13","startHours":26.218514668054517,"endHours":27.218514668054517,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:13","end":"04:13","startHours":27.218514668054517,"endHours":28.218514668054517,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:13","end":"05:13","startHours":28.218514668054517,"endHours":29.218514668054517,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:13","end":"06:13","startHours":29.218514668054517,"endHours":30.218514668054517,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:13","end":"07:13","startHours":30.218514668054517,"endHours":31.218514668054517,"planetary_lord":"Mars"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"South-East","anandadiYoga":{"name":"Chatra","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-12.747393999474726,"eotMinutes":-14.571061047399978,"ayanamsa":23.6452}},"calendars":{"vikram_samvat":2042,"vikram_samvatsara":"Bahudhānya","saka_samvat":1907,"saka_samvatsara":"Krodhana","bengali_samvat":1392,"malayalam_era":1161,"nanakshahi_year":516,"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":"Kumbha (Māsi)","ritu":"Śiśira (Winter)","display_summary":"Phālguna Kṛṣṇa Ekādaśī · Vikram 2042 Bahudhānya · Śaka 1907 Krodhana"},"festivals":[{"id":"vijaya-ekadashi","name":"Vijayā Ekādaśī","name_sanskrit":"विजया एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Rāma","significance":"Rāma observed this before crossing the ocean to Laṅkā.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Phālguna"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 15, 1985 CE · Phoenix, USA · Vidhyamitra","description":"February 15, 1985 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 07:13, sūryāsta 18:13.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/1985-02-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/1985-02-15","sa":"https://sa.vidhyamitra.com/city/phoenix/1985-02-15","hi":"https://hi.vidhyamitra.com/city/phoenix/1985-02-15","x-default":"https://vidhyamitra.com/city/phoenix/1985-02-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:21:44.918Z","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":"2026-06-02T13:21:44.918Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:21:44.918Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}