{"id":"vidhyamitra:city-day:phoenix:2121-01-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2121-01-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2121-01-22","date_display":"January 22, 2121 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":2121,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495760.770833,"kali_year":5222,"ahargana":1907295.2708,"sun":{"sidereal_longitude":276.0558,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":314.0214,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.9656,"elapsed_within_tithi_degrees":1.9656},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.0214,"elapsed_within_degrees":7.3547},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.0772},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"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":2121,"month":1,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2495760.770833,"ahargana":1907295.2708,"kali_year":5222,"ayanamsa_lahiri":25.5441,"grahas":{"sun":{"sidereal_longitude":276.4091430000001,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":317.39934300000004,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":4},"retrograde":false,"latitude":2.3631},"mars":{"sidereal_longitude":120.06434300000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":267.13334299999997,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":true},"jupiter":{"sidereal_longitude":86.61864300000002,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":true},"venus":{"sidereal_longitude":312.930743,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":true},"saturn":{"sidereal_longitude":61.472643000000005,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mr̥gaśirā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":282.318,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.318,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"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":2121,"month":1,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2495760.770833,"kali_year":5222,"ahargana":1907295.2708,"sun":{"sidereal_longitude":276.0558,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":314.0214,"rashi":11,"rashi_name":"Kumbha"},"tithi":{"number":4,"name":"Caturthī","paksha":"Śukla","full_name":"Śukla Caturthī","elongation_degrees":37.9656,"elapsed_within_tithi_degrees":1.9656},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3,"moon_longitude":314.0214,"elapsed_within_degrees":7.3547},"yoga":{"number":18,"name":"Varīyān","sum_longitude":230.0772},"karana":{"half_tithi_index":6,"name":"Vaṇija"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.363,"elongation":37.966},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.363,"opposition_distance":142.034}},"eclipse_window_40days":[{"offset_days":-3,"type":"solar","occurs":true,"moon_latitude":-0.923,"elongation":2.346}]},"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":"07:30","sunsetLocal":"17:49","solarNoonLocal":"12:40","dayLengthHours":10.318682477528617,"dayLengthDisplay":"10 Hours 19 Mins 07 Secs","nightLengthDisplay":"13 Hours 40 Mins 53 Secs","moonriseLocal":"09:39","moonsetLocal":"21:09","rahuKala":{"name":"Rāhu Kāla","start":"12:40","end":"13:57","startHours":12.66386838847232,"endHours":13.953703698163398,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"08:48","end":"10:05","startHours":8.794362459399089,"endHours":10.084197769090167,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:22","end":"12:40","startHours":11.374033078781244,"endHours":12.66386838847232,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.912219727798023,"endHours":10.25617581038231,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:56","end":"08:13","startHours":7.934472252938372,"endHours":8.209637119005802,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:19","end":"13:00","startHours":12.319912305888034,"endHours":13.007824471056606,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:08","end":"06:49","startHours":6.128702819370863,"endHours":6.816614984539438,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:39","end":"07:30","startHours":6.644636943247295,"endHours":7.504527149708013,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:23","end":"15:04","startHours":14.383648801393758,"endHours":15.071560966562332,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:37","end":"18:01","startHours":17.62320962723663,"endHours":18.02320962723663,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:49","end":"18:15","startHours":17.82320962723663,"endHours":18.25315473046699,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:34","end":"19:19","startHours":17.57320962723663,"endHours":19.32320962723663,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:19","end":"01:00","startHours":24.31991230588803,"endHours":25.007824471056608,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"07:30","end":"08:48","startHours":7.504527149708013,"endHours":8.794362459399089,"quality":"auspicious"},{"name":"Amṛta","start":"08:48","end":"10:05","startHours":8.794362459399089,"endHours":10.084197769090167,"quality":"auspicious"},{"name":"Kāla","start":"10:05","end":"11:22","startHours":10.084197769090167,"endHours":11.374033078781244,"quality":"inauspicious"},{"name":"Śubha","start":"11:22","end":"12:40","startHours":11.374033078781244,"endHours":12.66386838847232,"quality":"auspicious"},{"name":"Roga","start":"12:40","end":"13:57","startHours":12.66386838847232,"endHours":13.953703698163398,"quality":"inauspicious"},{"name":"Udveg","start":"13:57","end":"15:15","startHours":13.953703698163398,"endHours":15.243539007854475,"quality":"inauspicious"},{"name":"Chala","start":"15:15","end":"16:32","startHours":15.243539007854475,"endHours":16.53337431754555,"quality":"neutral"},{"name":"Labha","start":"16:32","end":"17:49","startHours":16.53337431754555,"endHours":17.82320962723663,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:49","end":"19:32","startHours":17.82320962723663,"endHours":19.53337431754555,"quality":"inauspicious"},{"name":"Chala","start":"19:32","end":"21:15","startHours":19.53337431754555,"endHours":21.243539007854476,"quality":"neutral"},{"name":"Labha","start":"21:15","end":"22:57","startHours":21.243539007854476,"endHours":22.953703698163398,"quality":"auspicious"},{"name":"Amṛta","start":"22:57","end":"00:40","startHours":22.953703698163398,"endHours":24.66386838847232,"quality":"auspicious"},{"name":"Kāla","start":"00:40","end":"02:22","startHours":24.66386838847232,"endHours":26.374033078781245,"quality":"inauspicious"},{"name":"Śubha","start":"02:22","end":"04:05","startHours":26.374033078781245,"endHours":28.084197769090167,"quality":"auspicious"},{"name":"Roga","start":"04:05","end":"05:48","startHours":28.084197769090167,"endHours":29.79436245939909,"quality":"inauspicious"},{"name":"Udveg","start":"05:48","end":"07:30","startHours":29.79436245939909,"endHours":31.50452714970801,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:30","end":"08:30","startHours":7.504527149708013,"endHours":8.504527149708013,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"08:30","end":"09:30","startHours":8.504527149708013,"endHours":9.504527149708013,"planetary_lord":"Venus"},{"name":"Hora 3","start":"09:30","end":"10:30","startHours":9.504527149708013,"endHours":10.504527149708013,"planetary_lord":"Sun"},{"name":"Hora 4","start":"10:30","end":"11:30","startHours":10.504527149708013,"endHours":11.504527149708013,"planetary_lord":"Mars"},{"name":"Hora 5","start":"11:30","end":"12:30","startHours":11.504527149708013,"endHours":12.504527149708013,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"12:30","end":"13:30","startHours":12.504527149708013,"endHours":13.504527149708013,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"13:30","end":"14:30","startHours":13.504527149708013,"endHours":14.504527149708013,"planetary_lord":"Moon"},{"name":"Hora 8","start":"14:30","end":"15:30","startHours":14.504527149708013,"endHours":15.504527149708013,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"15:30","end":"16:30","startHours":15.504527149708013,"endHours":16.50452714970801,"planetary_lord":"Venus"},{"name":"Hora 10","start":"16:30","end":"17:30","startHours":16.50452714970801,"endHours":17.50452714970801,"planetary_lord":"Sun"},{"name":"Hora 11","start":"17:30","end":"18:30","startHours":17.50452714970801,"endHours":18.50452714970801,"planetary_lord":"Mars"},{"name":"Hora 12","start":"18:30","end":"19:30","startHours":18.50452714970801,"endHours":19.50452714970801,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"19:30","end":"20:30","startHours":19.50452714970801,"endHours":20.50452714970801,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"20:30","end":"21:30","startHours":20.50452714970801,"endHours":21.50452714970801,"planetary_lord":"Moon"},{"name":"Hora 15","start":"21:30","end":"22:30","startHours":21.50452714970801,"endHours":22.50452714970801,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"22:30","end":"23:30","startHours":22.50452714970801,"endHours":23.50452714970801,"planetary_lord":"Venus"},{"name":"Hora 17","start":"23:30","end":"00:30","startHours":23.50452714970801,"endHours":24.50452714970801,"planetary_lord":"Sun"},{"name":"Hora 18","start":"00:30","end":"01:30","startHours":24.50452714970801,"endHours":25.50452714970801,"planetary_lord":"Mars"},{"name":"Hora 19","start":"01:30","end":"02:30","startHours":25.50452714970801,"endHours":26.50452714970801,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"02:30","end":"03:30","startHours":26.50452714970801,"endHours":27.50452714970801,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"03:30","end":"04:30","startHours":27.50452714970801,"endHours":28.50452714970801,"planetary_lord":"Moon"},{"name":"Hora 22","start":"04:30","end":"05:30","startHours":28.50452714970801,"endHours":29.50452714970801,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"05:30","end":"06:30","startHours":29.50452714970801,"endHours":30.50452714970801,"planetary_lord":"Venus"},{"name":"Hora 24","start":"06:30","end":"07:30","startHours":30.50452714970801,"endHours":31.50452714970801,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Dhanu","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Makara","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South","rahuVasa":"South-West","anandadiYoga":{"name":"Śrīvatsa","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":-19.722694506736484,"eotMinutes":-11.536103308339323,"ayanamsa":25.5441}},"calendars":{"vikram_samvat":2178,"vikram_samvatsara":"Jaya","saka_samvat":2043,"saka_samvatsara":"Vṛṣa","bengali_samvat":1528,"malayalam_era":1297,"nanakshahi_year":652,"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 Caturthī · Vikram 2178 Jaya · Śaka 2043 Vṛṣa"},"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":"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 January 22, 2121 CE · Phoenix, USA · Vidhyamitra","description":"January 22, 2121 CE for Phoenix, USA: Śukla Caturthī, sūryodaya 07:30, sūryāsta 17:49.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2121-01-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2121-01-22","sa":"https://sa.vidhyamitra.com/city/phoenix/2121-01-22","hi":"https://hi.vidhyamitra.com/city/phoenix/2121-01-22","x-default":"https://vidhyamitra.com/city/phoenix/2121-01-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:02:24.637Z","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":"2026-05-31T16:02:24.637Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:02:24.637Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}