{"id":"vidhyamitra:city-day:phoenix:2107-02-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2107-02-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2107-02-28","date_display":"February 28, 2107 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":2107,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490683.770833,"kali_year":5208,"ahargana":1902218.2708,"sun":{"sidereal_longitude":313.3502,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":13.996,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.6458,"elapsed_within_tithi_degrees":0.6458},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.996,"elapsed_within_degrees":0.6627},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.3463},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":2107,"month":2,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2490683.770833,"ahargana":1902218.2708,"kali_year":5208,"ayanamsa_lahiri":25.3499,"grahas":{"sun":{"sidereal_longitude":313.4560220000001,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":11.261421999999982,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":4},"retrograde":false,"latitude":-0.2097},"mars":{"sidereal_longitude":317.735322,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":285.18932199999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":14.41752200000002,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":275.875622,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":258.62372200000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"rahu":{"sidereal_longitude":191.3219,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":11.3219,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","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":2107,"month":2,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2490683.770833,"kali_year":5208,"ahargana":1902218.2708,"sun":{"sidereal_longitude":313.3502,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":13.996,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":60.6458,"elapsed_within_tithi_degrees":0.6458},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":13.996,"elapsed_within_degrees":0.6627},"yoga":{"number":25,"name":"Brahma","sum_longitude":327.3463},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.21,"elongation":60.646},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.21,"opposition_distance":119.354}},"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":"07:00","sunsetLocal":"18:24","solarNoonLocal":"12:42","dayLengthHours":11.400620307559613,"dayLengthDisplay":"11 Hours 24 Mins 02 Secs","nightLengthDisplay":"12 Hours 35 Mins 58 Secs","moonriseLocal":"09:53","moonsetLocal":"23:13","rahuKala":{"name":"Rāhu Kāla","start":"08:25","end":"09:51","startHours":8.416751698432266,"endHours":9.841829236877217,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:16","end":"12:42","startHours":11.26690677532217,"endHours":12.691984313767122,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:07","end":"15:33","startHours":14.117061852212073,"endHours":15.542139390657024,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:39","end":"10:02","startHours":9.651818898417892,"endHours":10.031839575336544,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:28","end":"07:46","startHours":7.466700006135632,"endHours":7.770716547670555,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:04","startHours":12.311963636848468,"endHours":13.072004990685777,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:28","end":"06:14","startHours":5.471591452312699,"endHours":6.2316328061500075,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:02","end":"07:00","startHours":6.04162246769068,"endHours":6.991674159987315,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:36","end":"15:21","startHours":14.592087698360391,"endHours":15.352129052197698,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:12","end":"18:36","startHours":18.19229446754693,"endHours":18.592294467546928,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:24","end":"18:52","startHours":18.39229446754693,"endHours":18.867320313695245,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:09","end":"19:54","startHours":18.14229446754693,"endHours":19.89229446754693,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:04","startHours":24.311963636848468,"endHours":25.072004990685777,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:00","end":"08:25","startHours":6.991674159987315,"endHours":8.416751698432266,"quality":"auspicious"},{"name":"Kāla","start":"08:25","end":"09:51","startHours":8.416751698432266,"endHours":9.841829236877217,"quality":"inauspicious"},{"name":"Śubha","start":"09:51","end":"11:16","startHours":9.841829236877217,"endHours":11.26690677532217,"quality":"auspicious"},{"name":"Roga","start":"11:16","end":"12:42","startHours":11.26690677532217,"endHours":12.691984313767122,"quality":"inauspicious"},{"name":"Udveg","start":"12:42","end":"14:07","startHours":12.691984313767122,"endHours":14.117061852212073,"quality":"inauspicious"},{"name":"Chala","start":"14:07","end":"15:33","startHours":14.117061852212073,"endHours":15.542139390657024,"quality":"neutral"},{"name":"Labha","start":"15:33","end":"16:58","startHours":15.542139390657024,"endHours":16.967216929101976,"quality":"auspicious"},{"name":"Amṛta","start":"16:58","end":"18:24","startHours":16.967216929101976,"endHours":18.39229446754693,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"18:24","end":"19:58","startHours":18.39229446754693,"endHours":19.967216929101976,"quality":"neutral"},{"name":"Labha","start":"19:58","end":"21:33","startHours":19.967216929101976,"endHours":21.542139390657027,"quality":"auspicious"},{"name":"Amṛta","start":"21:33","end":"23:07","startHours":21.542139390657027,"endHours":23.117061852212075,"quality":"auspicious"},{"name":"Kāla","start":"23:07","end":"00:42","startHours":23.117061852212075,"endHours":24.691984313767122,"quality":"inauspicious"},{"name":"Śubha","start":"00:42","end":"02:16","startHours":24.691984313767122,"endHours":26.26690677532217,"quality":"auspicious"},{"name":"Roga","start":"02:16","end":"03:51","startHours":26.26690677532217,"endHours":27.841829236877217,"quality":"inauspicious"},{"name":"Udveg","start":"03:51","end":"05:25","startHours":27.841829236877217,"endHours":29.416751698432268,"quality":"inauspicious"},{"name":"Chala","start":"05:25","end":"07:00","startHours":29.416751698432268,"endHours":30.991674159987316,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:00","end":"08:00","startHours":6.991674159987315,"endHours":7.991674159987315,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:00","end":"09:00","startHours":7.991674159987315,"endHours":8.991674159987316,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:00","end":"10:00","startHours":8.991674159987316,"endHours":9.991674159987316,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:00","end":"11:00","startHours":9.991674159987316,"endHours":10.991674159987316,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:00","end":"12:00","startHours":10.991674159987316,"endHours":11.991674159987316,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:00","end":"13:00","startHours":11.991674159987316,"endHours":12.991674159987316,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:00","end":"14:00","startHours":12.991674159987316,"endHours":13.991674159987316,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:00","end":"15:00","startHours":13.991674159987316,"endHours":14.991674159987316,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:00","end":"16:00","startHours":14.991674159987316,"endHours":15.991674159987316,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:00","end":"17:00","startHours":15.991674159987316,"endHours":16.991674159987316,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:00","end":"18:00","startHours":16.991674159987316,"endHours":17.991674159987316,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:00","end":"19:00","startHours":17.991674159987316,"endHours":18.991674159987316,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:00","end":"20:00","startHours":18.991674159987316,"endHours":19.991674159987316,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:00","end":"21:00","startHours":19.991674159987316,"endHours":20.991674159987316,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:00","end":"22:00","startHours":20.991674159987316,"endHours":21.991674159987316,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:00","end":"23:00","startHours":21.991674159987316,"endHours":22.991674159987316,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:00","end":"00:00","startHours":22.991674159987316,"endHours":23.991674159987316,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:00","end":"01:00","startHours":23.991674159987316,"endHours":24.991674159987316,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:00","end":"02:00","startHours":24.991674159987316,"endHours":25.991674159987316,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:00","end":"03:00","startHours":25.991674159987316,"endHours":26.991674159987316,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:00","end":"04:00","startHours":26.991674159987316,"endHours":27.991674159987316,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:00","end":"05:00","startHours":27.991674159987316,"endHours":28.991674159987316,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:00","end":"06:00","startHours":28.991674159987316,"endHours":29.991674159987316,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:00","end":"07:00","startHours":29.991674159987316,"endHours":30.991674159987316,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"East (Pūrva)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Śiśira (Winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-8.267304046642161,"eotMinutes":-13.223058826027486,"ayanamsa":25.3499}},"calendars":{"vikram_samvat":2164,"vikram_samvatsara":"Vikrama","saka_samvat":2029,"saka_samvatsara":"Prabhava","bengali_samvat":1514,"malayalam_era":1283,"nanakshahi_year":638,"lunar_month":"Phālguna","lunar_month_paksha_full":"Phālguna Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Phālguna","lunar_month_amanta":"Phālguna","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 Śukla Ṣaṣṭhī · Vikram 2164 Vikrama · Śaka 2029 Prabhava"},"festivals":[],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — 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 28, 2107 CE · Phoenix, USA · Vidhyamitra","description":"February 28, 2107 CE for Phoenix, USA: Śukla Ṣaṣṭhī, sūryodaya 07:00, sūryāsta 18:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2107-02-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2107-02-28","sa":"https://sa.vidhyamitra.com/city/phoenix/2107-02-28","hi":"https://hi.vidhyamitra.com/city/phoenix/2107-02-28","x-default":"https://vidhyamitra.com/city/phoenix/2107-02-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:53:12.000Z","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":"2026-06-01T22:53:12.000Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:53:12.000Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}