{"id":"vidhyamitra:city-day:phoenix:2145-01-31:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2145-01-31","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2145-01-31","date_display":"January 31, 2145 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":2145,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504535.770833,"kali_year":5246,"ahargana":1916070.2708,"sun":{"sidereal_longitude":285.0602,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":17.2001,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.14,"elapsed_within_tithi_degrees":8.14},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.2001,"elapsed_within_degrees":3.8668},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.2603},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2145,"month":1,"day":31,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2504535.770833,"ahargana":1916070.2708,"kali_year":5246,"ayanamsa_lahiri":25.8797,"grahas":{"sun":{"sidereal_longitude":285.402773,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":17.160172999999986,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2},"retrograde":false,"latitude":-1.5247},"mars":{"sidereal_longitude":350.753673,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":297.35427300000003,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":95.509773,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":1},"retrograde":true},"venus":{"sidereal_longitude":306.95567300000005,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":1},"retrograde":true},"saturn":{"sidereal_longitude":347.208473,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":177.3763,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":357.3763,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","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":2145,"month":1,"day":31,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2504535.770833,"kali_year":5246,"ahargana":1916070.2708,"sun":{"sidereal_longitude":285.0602,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":17.2001,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":92.14,"elapsed_within_tithi_degrees":8.14},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":17.2001,"elapsed_within_degrees":3.8668},"yoga":{"number":23,"name":"Śubha","sum_longitude":302.2603},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.525,"elongation":92.14},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.525,"opposition_distance":87.86}},"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":"07:25","sunsetLocal":"17:58","solarNoonLocal":"12:42","dayLengthHours":10.550225393180341,"dayLengthDisplay":"10 Hours 33 Mins 01 Secs","nightLengthDisplay":"13 Hours 26 Mins 59 Secs","moonriseLocal":"12:03","moonsetLocal":"01:35","rahuKala":{"name":"Rāhu Kāla","start":"16:39","end":"17:58","startHours":16.65342766480666,"endHours":17.972205838954203,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:42","end":"14:01","startHours":12.697093142364032,"endHours":14.015871316511575,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:20","end":"16:39","startHours":15.334649490659118,"endHours":16.65342766480666,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:53","end":"10:14","startHours":9.88369970418261,"endHours":10.235373883955287,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:52","end":"08:09","startHours":7.86157317048971,"endHours":8.142912514307852,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:03","startHours":12.345418962591355,"endHours":13.04876732213671,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:01","end":"06:43","startHours":6.015283726683151,"endHours":6.7186320862285065,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:33","end":"07:25","startHours":6.542794996342168,"endHours":7.421980445773863,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:27","end":"15:10","startHours":14.455464041227422,"endHours":15.158812400772778,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.772205838954203,"endHours":18.172205838954202,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:25","startHours":17.972205838954203,"endHours":18.41179856367005,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.722205838954203,"endHours":19.472205838954203,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:03","startHours":24.345418962591353,"endHours":25.04876732213671,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:25","end":"08:44","startHours":7.421980445773863,"endHours":8.740758619921404,"quality":"inauspicious"},{"name":"Chala","start":"08:44","end":"10:04","startHours":8.740758619921404,"endHours":10.059536794068947,"quality":"neutral"},{"name":"Labha","start":"10:04","end":"11:23","startHours":10.059536794068947,"endHours":11.37831496821649,"quality":"auspicious"},{"name":"Amṛta","start":"11:23","end":"12:42","startHours":11.37831496821649,"endHours":12.697093142364032,"quality":"auspicious"},{"name":"Kāla","start":"12:42","end":"14:01","startHours":12.697093142364032,"endHours":14.015871316511575,"quality":"inauspicious"},{"name":"Śubha","start":"14:01","end":"15:20","startHours":14.015871316511575,"endHours":15.334649490659118,"quality":"auspicious"},{"name":"Roga","start":"15:20","end":"16:39","startHours":15.334649490659118,"endHours":16.65342766480666,"quality":"inauspicious"},{"name":"Udveg","start":"16:39","end":"17:58","startHours":16.65342766480666,"endHours":17.972205838954203,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:58","end":"19:39","startHours":17.972205838954203,"endHours":19.65342766480666,"quality":"auspicious"},{"name":"Roga","start":"19:39","end":"21:20","startHours":19.65342766480666,"endHours":21.334649490659118,"quality":"inauspicious"},{"name":"Udveg","start":"21:20","end":"23:01","startHours":21.334649490659118,"endHours":23.015871316511575,"quality":"inauspicious"},{"name":"Chala","start":"23:01","end":"00:42","startHours":23.015871316511575,"endHours":24.697093142364032,"quality":"neutral"},{"name":"Labha","start":"00:42","end":"02:23","startHours":24.697093142364032,"endHours":26.37831496821649,"quality":"auspicious"},{"name":"Amṛta","start":"02:23","end":"04:04","startHours":26.37831496821649,"endHours":28.059536794068947,"quality":"auspicious"},{"name":"Kāla","start":"04:04","end":"05:44","startHours":28.059536794068947,"endHours":29.740758619921404,"quality":"inauspicious"},{"name":"Śubha","start":"05:44","end":"07:25","startHours":29.740758619921404,"endHours":31.421980445773862,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:25","end":"08:25","startHours":7.421980445773863,"endHours":8.421980445773862,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:25","end":"09:25","startHours":8.421980445773862,"endHours":9.421980445773862,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:25","end":"10:25","startHours":9.421980445773862,"endHours":10.421980445773862,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:25","end":"11:25","startHours":10.421980445773862,"endHours":11.421980445773862,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:25","end":"12:25","startHours":11.421980445773862,"endHours":12.421980445773862,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:25","end":"13:25","startHours":12.421980445773862,"endHours":13.421980445773862,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:25","end":"14:25","startHours":13.421980445773862,"endHours":14.421980445773862,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:25","end":"15:25","startHours":14.421980445773862,"endHours":15.421980445773862,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:25","end":"16:25","startHours":15.421980445773862,"endHours":16.421980445773862,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:25","end":"17:25","startHours":16.421980445773862,"endHours":17.421980445773862,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:25","end":"18:25","startHours":17.421980445773862,"endHours":18.421980445773862,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:25","end":"19:25","startHours":18.421980445773862,"endHours":19.421980445773862,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:25","end":"20:25","startHours":19.421980445773862,"endHours":20.421980445773862,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:25","end":"21:25","startHours":20.421980445773862,"endHours":21.421980445773862,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:25","end":"22:25","startHours":21.421980445773862,"endHours":22.421980445773862,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:25","end":"23:25","startHours":22.421980445773862,"endHours":23.421980445773862,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:25","end":"00:25","startHours":23.421980445773862,"endHours":24.421980445773862,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:25","end":"01:25","startHours":24.421980445773862,"endHours":25.421980445773862,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:25","end":"02:25","startHours":25.421980445773862,"endHours":26.421980445773862,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:25","end":"03:25","startHours":26.421980445773862,"endHours":27.421980445773862,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:25","end":"04:25","startHours":27.421980445773862,"endHours":28.421980445773862,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:25","end":"05:25","startHours":28.421980445773862,"endHours":29.421980445773862,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:25","end":"06:25","startHours":29.421980445773862,"endHours":30.421980445773862,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:25","end":"07:25","startHours":30.421980445773862,"endHours":31.421980445773862,"planetary_lord":"Jupiter"}],"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":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Kāladaṇḍa","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":-17.39049103766379,"eotMinutes":-13.52958854184206,"ayanamsa":25.8797}},"calendars":{"vikram_samvat":2202,"vikram_samvatsara":"Kālayukta","saka_samvat":2067,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1552,"malayalam_era":1321,"nanakshahi_year":676,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Māgha Śukla Aṣṭamī · Vikram 2202 Kālayukta · Śaka 2067 Viśvāvasu"},"festivals":[{"id":"bhishma-ashtami","name":"Bhīṣmāṣṭamī","name_sanskrit":"भीष्माष्टमी","tradition":"Pan-Hindu","associated_deity":"Bhīṣma Pitāmaha","significance":"Bhīṣma's mahaprasthāna anniversary (Māgha Śukla 8); Bhīṣma-tarpaṇa.","vrata":true,"detection":{"tithi_number":8,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2,"sources":["Mahābhārata, Anuśāsana Parva"]}],"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":[{"historical_date":"-3137-12-25","event":"Bhīṣma's Mahaprasthan","chart_id":"bhishma","shared_marker":"same Śukla Aṣṭamī","url":"/day/-3137-12-25","relevance":0.5}]},"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 January 31, 2145 CE · Phoenix, USA · Vidhyamitra","description":"January 31, 2145 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:25, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2145-01-31","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2145-01-31","sa":"https://sa.vidhyamitra.com/city/phoenix/2145-01-31","hi":"https://hi.vidhyamitra.com/city/phoenix/2145-01-31","x-default":"https://vidhyamitra.com/city/phoenix/2145-01-31"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T00:35:38.723Z","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":"2026-06-01T00:35:38.723Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T00:35:38.723Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}