{"id":"vidhyamitra:city-day:phoenix:2173-02-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2173-02-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2173-02-07","date_display":"February 7, 2173 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":2173,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514769.770833,"kali_year":5274,"ahargana":1926304.2708,"sun":{"sidereal_longitude":291.9609,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":220.4279,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.4669,"elapsed_within_tithi_degrees":0.4669},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.4279,"elapsed_within_degrees":7.0945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.3888},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"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":2173,"month":2,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2514769.770833,"ahargana":1926304.2708,"kali_year":5274,"ayanamsa_lahiri":26.2711,"grahas":{"sun":{"sidereal_longitude":292.322359,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"moon":{"sidereal_longitude":217.64445899999998,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":-3.1969},"mars":{"sidereal_longitude":323.84025900000006,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":271.910259,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":226.79965900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":289.7647589999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":330.634959,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":355.1297,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":175.1297,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","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":2173,"month":2,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2514769.770833,"kali_year":5274,"ahargana":1926304.2708,"sun":{"sidereal_longitude":291.9609,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":220.4279,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":25,"name":"Daśamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Daśamī","elongation_degrees":288.4669,"elapsed_within_tithi_degrees":0.4669},"nakshatra":{"number":17,"name":"Anurādhā","pada":3,"moon_longitude":220.4279,"elapsed_within_degrees":7.0945},"yoga":{"number":12,"name":"Dhruva","sum_longitude":152.3888},"karana":{"half_tithi_index":48,"name":"Vaṇija"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.197,"elongation":71.533},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.197,"opposition_distance":108.467}},"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":10.756479135760594,"dayLengthDisplay":"10 Hours 45 Mins 23 Secs","nightLengthDisplay":"13 Hours 14 Mins 37 Secs","moonriseLocal":"02:39","moonsetLocal":"12:49","rahuKala":{"name":"Rāhu Kāla","start":"16:45","end":"18:05","startHours":16.744907217732997,"endHours":18.089467109703072,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:43","end":"14:03","startHours":12.711227541822776,"endHours":14.05578743379285,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:24","end":"16:45","startHours":15.400347325762924,"endHours":16.744907217732997,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:12","startHours":9.842833105619949,"endHours":10.201382410145303,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:47","end":"08:04","startHours":7.781174604599169,"endHours":8.068014048219451,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:04","startHours":12.352678237297424,"endHours":13.069776846348129,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:54","end":"06:37","startHours":5.898790755841065,"endHours":6.615889364891771,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:26","end":"07:20","startHours":6.436614712629095,"endHours":7.332987973942478,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:13","startHours":14.50397406444954,"endHours":15.221072673500247,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:53","end":"18:17","startHours":17.889467109703073,"endHours":18.28946710970307,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:05","end":"18:32","startHours":18.089467109703072,"endHours":18.537653740359765,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:50","end":"19:35","startHours":17.839467109703072,"endHours":19.589467109703072,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:04","startHours":24.35267823729742,"endHours":25.06977684634813,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:20","end":"08:41","startHours":7.332987973942478,"endHours":8.677547865912553,"quality":"inauspicious"},{"name":"Chala","start":"08:41","end":"10:01","startHours":8.677547865912553,"endHours":10.022107757882626,"quality":"neutral"},{"name":"Labha","start":"10:01","end":"11:22","startHours":10.022107757882626,"endHours":11.366667649852701,"quality":"auspicious"},{"name":"Amṛta","start":"11:22","end":"12:43","startHours":11.366667649852701,"endHours":12.711227541822776,"quality":"auspicious"},{"name":"Kāla","start":"12:43","end":"14:03","startHours":12.711227541822776,"endHours":14.05578743379285,"quality":"inauspicious"},{"name":"Śubha","start":"14:03","end":"15:24","startHours":14.05578743379285,"endHours":15.400347325762924,"quality":"auspicious"},{"name":"Roga","start":"15:24","end":"16:45","startHours":15.400347325762924,"endHours":16.744907217732997,"quality":"inauspicious"},{"name":"Udveg","start":"16:45","end":"18:05","startHours":16.744907217732997,"endHours":18.089467109703072,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:05","end":"19:45","startHours":18.089467109703072,"endHours":19.744907217732997,"quality":"auspicious"},{"name":"Roga","start":"19:45","end":"21:24","startHours":19.744907217732997,"endHours":21.400347325762922,"quality":"inauspicious"},{"name":"Udveg","start":"21:24","end":"23:03","startHours":21.400347325762922,"endHours":23.05578743379285,"quality":"inauspicious"},{"name":"Chala","start":"23:03","end":"00:43","startHours":23.05578743379285,"endHours":24.711227541822776,"quality":"neutral"},{"name":"Labha","start":"00:43","end":"02:22","startHours":24.711227541822776,"endHours":26.3666676498527,"quality":"auspicious"},{"name":"Amṛta","start":"02:22","end":"04:01","startHours":26.3666676498527,"endHours":28.022107757882626,"quality":"auspicious"},{"name":"Kāla","start":"04:01","end":"05:41","startHours":28.022107757882626,"endHours":29.67754786591255,"quality":"inauspicious"},{"name":"Śubha","start":"05:41","end":"07:20","startHours":29.67754786591255,"endHours":31.33298797394248,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:20","end":"08:20","startHours":7.332987973942478,"endHours":8.332987973942478,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:20","end":"09:20","startHours":8.332987973942478,"endHours":9.332987973942478,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:20","end":"10:20","startHours":9.332987973942478,"endHours":10.332987973942478,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:20","end":"11:20","startHours":10.332987973942478,"endHours":11.332987973942478,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:20","end":"12:20","startHours":11.332987973942478,"endHours":12.332987973942478,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:20","end":"13:20","startHours":12.332987973942478,"endHours":13.332987973942478,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:20","end":"14:20","startHours":13.332987973942478,"endHours":14.332987973942478,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:20","end":"15:20","startHours":14.332987973942478,"endHours":15.332987973942478,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:20","end":"16:20","startHours":15.332987973942478,"endHours":16.33298797394248,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:20","end":"17:20","startHours":16.33298797394248,"endHours":17.33298797394248,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:20","end":"18:20","startHours":17.33298797394248,"endHours":18.33298797394248,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:20","end":"19:20","startHours":18.33298797394248,"endHours":19.33298797394248,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:20","end":"20:20","startHours":19.33298797394248,"endHours":20.33298797394248,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:20","end":"21:20","startHours":20.33298797394248,"endHours":21.33298797394248,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:20","end":"22:20","startHours":21.33298797394248,"endHours":22.33298797394248,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:20","end":"23:20","startHours":22.33298797394248,"endHours":23.33298797394248,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:20","end":"00:20","startHours":23.33298797394248,"endHours":24.33298797394248,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:20","end":"01:20","startHours":24.33298797394248,"endHours":25.33298797394248,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:20","end":"02:20","startHours":25.33298797394248,"endHours":26.33298797394248,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:20","end":"03:20","startHours":26.33298797394248,"endHours":27.33298797394248,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:20","end":"04:20","startHours":27.33298797394248,"endHours":28.33298797394248,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:20","end":"05:20","startHours":28.33298797394248,"endHours":29.33298797394248,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:20","end":"06:20","startHours":29.33298797394248,"endHours":30.33298797394248,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:20","end":"07:20","startHours":30.33298797394248,"endHours":31.33298797394248,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","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":-15.251665163958897,"eotMinutes":-14.37765250936663,"ayanamsa":26.2711}},"calendars":{"vikram_samvat":2230,"vikram_samvatsara":"Vyaya","saka_samvat":2095,"saka_samvatsara":"Śrīmukha","bengali_samvat":1580,"malayalam_era":1349,"nanakshahi_year":704,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Daśamī · Vikram 2230 Vyaya · Śaka 2095 Śrīmukha"},"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 7, 2173 CE · Phoenix, USA · Vidhyamitra","description":"February 7, 2173 CE for Phoenix, USA: Kṛṣṇa Daśamī, sūryodaya 07:20, sūryāsta 18:05.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2173-02-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2173-02-07","sa":"https://sa.vidhyamitra.com/city/phoenix/2173-02-07","hi":"https://hi.vidhyamitra.com/city/phoenix/2173-02-07","x-default":"https://vidhyamitra.com/city/phoenix/2173-02-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T04:54:48.141Z","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":"2026-06-01T04:54:48.141Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T04:54:48.141Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}