{"id":"vidhyamitra:city-day:phoenix:2137-02-23:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2137-02-23","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2137-02-23","date_display":"February 23, 2137 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":2137,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501636.770833,"kali_year":5238,"ahargana":1913171.2708,"sun":{"sidereal_longitude":308.539,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.9416,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.4026,"elapsed_within_tithi_degrees":0.4026},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9416,"elapsed_within_degrees":11.6082},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.4806},"karana":{"half_tithi_index":6,"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":2137,"month":2,"day":23,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2501636.770833,"ahargana":1913171.2708,"kali_year":5238,"ayanamsa_lahiri":25.7688,"grahas":{"sun":{"sidereal_longitude":308.731636,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":344.142736,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false,"latitude":1.0847},"mars":{"sidereal_longitude":301.011936,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":319.58723599999996,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":217.80553599999996,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":299.16743599999995,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":263.8351359999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":330.9792,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":150.9792,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":2137,"month":2,"day":23,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2501636.770833,"kali_year":5238,"ahargana":1913171.2708,"sun":{"sidereal_longitude":308.539,"rashi":11,"rashi_name":"Kumbha"},"moon":{"sidereal_longitude":344.9416,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":36.4026,"elapsed_within_tithi_degrees":0.4026},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4,"moon_longitude":344.9416,"elapsed_within_degrees":11.6082},"yoga":{"number":23,"name":"Śubha","sum_longitude":293.4806},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.085,"elongation":36.403},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.085,"opposition_distance":143.597}},"eclipse_window_40days":[{"offset_days":13,"type":"lunar","occurs":true,"moon_latitude":0.509,"opposition_distance":2.147}]},"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":"07:05","sunsetLocal":"18:20","solarNoonLocal":"12:42","dayLengthHours":11.256881945136001,"dayLengthDisplay":"11 Hours 15 Mins 25 Secs","nightLengthDisplay":"12 Hours 44 Mins 35 Secs","moonriseLocal":"08:51","moonsetLocal":"21:17","rahuKala":{"name":"Rāhu Kāla","start":"09:53","end":"11:18","startHours":9.890184463040388,"endHours":11.297294706182388,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:07","end":"15:31","startHours":14.111515192466388,"endHours":15.518625435608389,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:05","end":"08:29","startHours":7.075963976756388,"endHours":8.483074219898388,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:42","end":"10:05","startHours":9.702569763954788,"endHours":10.077799162125988,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:33","end":"07:51","startHours":7.5450007244703885,"endHours":7.845184243007348,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:20","end":"13:05","startHours":12.329175551153188,"endHours":13.079634347495588,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:35","end":"06:20","startHours":5.575046384071588,"endHours":6.325505180413988,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:08","end":"07:05","startHours":6.137890481328388,"endHours":7.075963976756388,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:35","end":"15:20","startHours":14.580551940180388,"endHours":15.331010736522789,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:08","end":"18:32","startHours":18.13284592189239,"endHours":18.532845921892388,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:20","end":"18:48","startHours":18.33284592189239,"endHours":18.80188266960639,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:05","end":"19:50","startHours":18.08284592189239,"endHours":19.83284592189239,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:20","end":"01:05","startHours":24.329175551153188,"endHours":25.07963434749559,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:05","end":"08:29","startHours":7.075963976756388,"endHours":8.483074219898388,"quality":"inauspicious"},{"name":"Śubha","start":"08:29","end":"09:53","startHours":8.483074219898388,"endHours":9.890184463040388,"quality":"auspicious"},{"name":"Roga","start":"09:53","end":"11:18","startHours":9.890184463040388,"endHours":11.297294706182388,"quality":"inauspicious"},{"name":"Udveg","start":"11:18","end":"12:42","startHours":11.297294706182388,"endHours":12.704404949324388,"quality":"inauspicious"},{"name":"Chala","start":"12:42","end":"14:07","startHours":12.704404949324388,"endHours":14.111515192466388,"quality":"neutral"},{"name":"Labha","start":"14:07","end":"15:31","startHours":14.111515192466388,"endHours":15.518625435608389,"quality":"auspicious"},{"name":"Amṛta","start":"15:31","end":"16:56","startHours":15.518625435608389,"endHours":16.92573567875039,"quality":"auspicious"},{"name":"Kāla","start":"16:56","end":"18:20","startHours":16.92573567875039,"endHours":18.33284592189239,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"18:20","end":"19:56","startHours":18.33284592189239,"endHours":19.92573567875039,"quality":"auspicious"},{"name":"Amṛta","start":"19:56","end":"21:31","startHours":19.92573567875039,"endHours":21.51862543560839,"quality":"auspicious"},{"name":"Kāla","start":"21:31","end":"23:07","startHours":21.51862543560839,"endHours":23.11151519246639,"quality":"inauspicious"},{"name":"Śubha","start":"23:07","end":"00:42","startHours":23.11151519246639,"endHours":24.70440494932439,"quality":"auspicious"},{"name":"Roga","start":"00:42","end":"02:18","startHours":24.70440494932439,"endHours":26.297294706182388,"quality":"inauspicious"},{"name":"Udveg","start":"02:18","end":"03:53","startHours":26.297294706182388,"endHours":27.890184463040388,"quality":"inauspicious"},{"name":"Chala","start":"03:53","end":"05:29","startHours":27.890184463040388,"endHours":29.483074219898388,"quality":"neutral"},{"name":"Labha","start":"05:29","end":"07:05","startHours":29.483074219898388,"endHours":31.075963976756388,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:05","end":"08:05","startHours":7.075963976756388,"endHours":8.075963976756388,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:05","end":"09:05","startHours":8.075963976756388,"endHours":9.075963976756388,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:05","end":"10:05","startHours":9.075963976756388,"endHours":10.075963976756388,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:05","end":"11:05","startHours":10.075963976756388,"endHours":11.075963976756388,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:05","end":"12:05","startHours":11.075963976756388,"endHours":12.075963976756388,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:05","end":"13:05","startHours":12.075963976756388,"endHours":13.075963976756388,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:05","end":"14:05","startHours":13.075963976756388,"endHours":14.075963976756388,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:05","end":"15:05","startHours":14.075963976756388,"endHours":15.075963976756388,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:05","end":"16:05","startHours":15.075963976756388,"endHours":16.075963976756388,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:05","end":"17:05","startHours":16.075963976756388,"endHours":17.075963976756388,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:05","end":"18:05","startHours":17.075963976756388,"endHours":18.075963976756388,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:05","end":"19:05","startHours":18.075963976756388,"endHours":19.075963976756388,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:05","end":"20:05","startHours":19.075963976756388,"endHours":20.075963976756388,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:05","end":"21:05","startHours":20.075963976756388,"endHours":21.075963976756388,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:05","end":"22:05","startHours":21.075963976756388,"endHours":22.075963976756388,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:05","end":"23:05","startHours":22.075963976756388,"endHours":23.075963976756388,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:05","end":"00:05","startHours":23.075963976756388,"endHours":24.075963976756388,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:05","end":"01:05","startHours":24.075963976756388,"endHours":25.075963976756388,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:05","end":"02:05","startHours":25.075963976756388,"endHours":26.075963976756388,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:05","end":"03:05","startHours":26.075963976756388,"endHours":27.075963976756388,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:05","end":"04:05","startHours":27.075963976756388,"endHours":28.075963976756388,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:05","end":"05:05","startHours":28.075963976756388,"endHours":29.075963976756388,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:05","end":"06:05","startHours":29.075963976756388,"endHours":30.075963976756388,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:05","end":"07:05","startHours":30.075963976756388,"endHours":31.075963976756388,"planetary_lord":"Mercury"}],"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":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-West","rahuVasa":"East","anandadiYoga":{"name":"Mausala","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":-9.859080221636717,"eotMinutes":-13.968296959463448,"ayanamsa":25.7688}},"calendars":{"vikram_samvat":2194,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":2059,"saka_samvatsara":"Hemalambī","bengali_samvat":1544,"malayalam_era":1313,"nanakshahi_year":668,"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 Caturthī · Vikram 2194 Sādhāraṇa · Śaka 2059 Hemalambī"},"festivals":[{"id":"vinayaka-chaturthi","name":"Vināyaka Caturthī (monthly)","name_sanskrit":"विनायक चतुर्थी","tradition":"Pan-Hindu","associated_deity":"Gaṇeśa","significance":"Monthly Śukla-pakṣa Caturthī; auspicious for new ventures.","vrata":true,"detection":{"tithi_number":4,"tithi_paksha":"Śukla"},"precedence":6}],"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":[]},"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 23, 2137 CE · Phoenix, USA · Vidhyamitra","description":"February 23, 2137 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 07:05, sūryāsta 18:20.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2137-02-23","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2137-02-23","sa":"https://sa.vidhyamitra.com/city/phoenix/2137-02-23","hi":"https://hi.vidhyamitra.com/city/phoenix/2137-02-23","x-default":"https://vidhyamitra.com/city/phoenix/2137-02-23"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T10:26:33.994Z","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":"2026-06-02T10:26:33.994Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T10:26:33.994Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}