{"id":"vidhyamitra:city-day:phoenix:2091-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2091-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2091-02-07","date_display":"February 7, 2091 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":2091,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484819.770833,"kali_year":5192,"ahargana":1896354.2708,"sun":{"sidereal_longitude":293.2032,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":149.2201,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.0169,"elapsed_within_tithi_degrees":0.0169},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.2201,"elapsed_within_degrees":2.5534},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.4233},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2091,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2484819.770833,"ahargana":1896354.2708,"kali_year":5192,"ayanamsa_lahiri":25.1256,"grahas":{"sun":{"sidereal_longitude":293.3660689999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":152.11636899999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":0.5631},"mars":{"sidereal_longitude":148.51506900000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":293.07206900000006,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":255.48696900000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":251.17216899999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":52.726568999999984,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":true},"rahu":{"sidereal_longitude":142.0248,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":322.0248,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"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":2091,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2484819.770833,"kali_year":5192,"ahargana":1896354.2708,"sun":{"sidereal_longitude":293.2032,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":149.2201,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":19,"name":"Caturthī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Caturthī","elongation_degrees":216.0169,"elapsed_within_tithi_degrees":0.0169},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1,"moon_longitude":149.2201,"elapsed_within_degrees":2.5534},"yoga":{"number":7,"name":"Sukarma","sum_longitude":82.4233},"karana":{"half_tithi_index":36,"name":"Bava"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.563,"elongation":143.983},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.563,"opposition_distance":36.017}},"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":"07:20","sunsetLocal":"18:05","solarNoonLocal":"12:43","dayLengthHours":10.753483504279757,"dayLengthDisplay":"10 Hours 45 Mins 13 Secs","nightLengthDisplay":"13 Hours 14 Mins 47 Secs","moonriseLocal":"21:12","moonsetLocal":"09:23","rahuKala":{"name":"Rāhu Kāla","start":"12:43","end":"14:03","startHours":12.711227541822776,"endHours":14.055412979857746,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:41","end":"10:01","startHours":8.678671227717867,"endHours":10.022856665752837,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:22","end":"12:43","startHours":11.367042103787806,"endHours":12.711227541822776,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:12","startHours":9.843631940681508,"endHours":10.202081390824166,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:04","startHours":7.782547602361221,"endHours":8.069307162475347,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.352778091680117,"endHours":13.069676991965435,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:37","startHours":5.900687989112264,"endHours":6.617586889397581,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:20","startHours":6.438362164326251,"endHours":7.334485789682898,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:13","startHours":14.503474792536068,"endHours":15.220373692821385,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.887969293962655,"endHours":18.287969293962654,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:32","startHours":18.087969293962654,"endHours":18.536031106640976,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.837969293962654,"endHours":19.587969293962654,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.35277809168012,"endHours":25.069676991965434,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:20","end":"08:41","startHours":7.334485789682898,"endHours":8.678671227717867,"quality":"auspicious"},{"name":"Amṛta","start":"08:41","end":"10:01","startHours":8.678671227717867,"endHours":10.022856665752837,"quality":"auspicious"},{"name":"Kāla","start":"10:01","end":"11:22","startHours":10.022856665752837,"endHours":11.367042103787806,"quality":"inauspicious"},{"name":"Śubha","start":"11:22","end":"12:43","startHours":11.367042103787806,"endHours":12.711227541822776,"quality":"auspicious"},{"name":"Roga","start":"12:43","end":"14:03","startHours":12.711227541822776,"endHours":14.055412979857746,"quality":"inauspicious"},{"name":"Udveg","start":"14:03","end":"15:24","startHours":14.055412979857746,"endHours":15.399598417892715,"quality":"inauspicious"},{"name":"Chala","start":"15:24","end":"16:45","startHours":15.399598417892715,"endHours":16.743783855927685,"quality":"neutral"},{"name":"Labha","start":"16:45","end":"18:05","startHours":16.743783855927685,"endHours":18.087969293962654,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:05","end":"19:45","startHours":18.087969293962654,"endHours":19.743783855927685,"quality":"inauspicious"},{"name":"Chala","start":"19:45","end":"21:24","startHours":19.743783855927685,"endHours":21.399598417892715,"quality":"neutral"},{"name":"Labha","start":"21:24","end":"23:03","startHours":21.399598417892715,"endHours":23.055412979857746,"quality":"auspicious"},{"name":"Amṛta","start":"23:03","end":"00:43","startHours":23.055412979857746,"endHours":24.711227541822776,"quality":"auspicious"},{"name":"Kāla","start":"00:43","end":"02:22","startHours":24.711227541822776,"endHours":26.367042103787806,"quality":"inauspicious"},{"name":"Śubha","start":"02:22","end":"04:01","startHours":26.367042103787806,"endHours":28.022856665752837,"quality":"auspicious"},{"name":"Roga","start":"04:01","end":"05:41","startHours":28.022856665752837,"endHours":29.678671227717867,"quality":"inauspicious"},{"name":"Udveg","start":"05:41","end":"07:20","startHours":29.678671227717867,"endHours":31.334485789682898,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:20","end":"08:20","startHours":7.334485789682898,"endHours":8.334485789682898,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:20","end":"09:20","startHours":8.334485789682898,"endHours":9.334485789682898,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:20","end":"10:20","startHours":9.334485789682898,"endHours":10.334485789682898,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:20","end":"11:20","startHours":10.334485789682898,"endHours":11.334485789682898,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:20","end":"12:20","startHours":11.334485789682898,"endHours":12.334485789682898,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:20","end":"13:20","startHours":12.334485789682898,"endHours":13.334485789682898,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:20","end":"14:20","startHours":13.334485789682898,"endHours":14.334485789682898,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:20","end":"15:20","startHours":14.334485789682898,"endHours":15.334485789682898,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:20","end":"16:20","startHours":15.334485789682898,"endHours":16.334485789682898,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:20","end":"17:20","startHours":16.334485789682898,"endHours":17.334485789682898,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:20","end":"18:20","startHours":17.334485789682898,"endHours":18.334485789682898,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:20","end":"19:20","startHours":18.334485789682898,"endHours":19.334485789682898,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:20","end":"20:20","startHours":19.334485789682898,"endHours":20.334485789682898,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:20","end":"21:20","startHours":20.334485789682898,"endHours":21.334485789682898,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:20","end":"22:20","startHours":21.334485789682898,"endHours":22.334485789682898,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:20","end":"23:20","startHours":22.334485789682898,"endHours":23.334485789682898,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:20","end":"00:20","startHours":23.334485789682898,"endHours":24.334485789682898,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:20","end":"01:20","startHours":24.334485789682898,"endHours":25.334485789682898,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:20","end":"02:20","startHours":25.334485789682898,"endHours":26.334485789682898,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:20","end":"03:20","startHours":26.334485789682898,"endHours":27.334485789682898,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:20","end":"04:20","startHours":27.334485789682898,"endHours":28.334485789682898,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:20","end":"05:20","startHours":28.334485789682898,"endHours":29.334485789682898,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:20","end":"06:20","startHours":29.334485789682898,"endHours":30.334485789682898,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:20","end":"07:20","startHours":30.334485789682898,"endHours":31.334485789682898,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-15.283116698441399,"eotMinutes":-14.37765250936663,"ayanamsa":25.1256}},"calendars":{"vikram_samvat":2148,"vikram_samvatsara":"Raktākṣī","saka_samvat":2013,"saka_samvatsara":"Virodhakṛt","bengali_samvat":1498,"malayalam_era":1267,"nanakshahi_year":622,"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 Caturthī · Vikram 2148 Raktākṣī · Śaka 2013 Virodhakṛt"},"festivals":[{"id":"sankashti-chaturthi","name":"Saṅkaṣṭī Caturthī","name_sanskrit":"सङ्कष्टी चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Gaṇeśa vrata.","vrata":true,"detection":{"tithi_number":19,"tithi_paksha":"Kṛṣṇa"},"precedence":6}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — 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 7, 2091 CE · Phoenix, USA · Vidhyamitra","description":"February 7, 2091 CE for Phoenix, USA: Kṛṣṇa Caturthī, sūryodaya 07:20, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2091-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2091-02-07","sa":"https://sa.vidhyamitra.com/city/phoenix/2091-02-07","hi":"https://hi.vidhyamitra.com/city/phoenix/2091-02-07","x-default":"https://vidhyamitra.com/city/phoenix/2091-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T01:48:41.818Z","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":"2026-05-31T01:48:41.818Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T01:48:41.818Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}