{"id":"vidhyamitra:city-day:phoenix:2157-12-22:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2157-12-22","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2157-12-22","date_display":"December 22, 2157 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":2157,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509243.770833,"kali_year":5259,"ahargana":1920778.2708,"sun":{"sidereal_longitude":243.6139,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":135.3934,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":251.7795,"elapsed_within_tithi_degrees":11.7795},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.3934,"elapsed_within_degrees":2.0601},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.0073},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2157,"month":12,"day":22,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2509243.770833,"ahargana":1920778.2708,"kali_year":5259,"ayanamsa_lahiri":26.0598,"grahas":{"sun":{"sidereal_longitude":244.33139299999993,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":136.650693,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false,"latitude":-2.0741},"mars":{"sidereal_longitude":294.232493,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":229.62449300000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":135.99719300000004,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"venus":{"sidereal_longitude":210.814793,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":167.67249300000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":287.9238,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":107.9238,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2157,"month":12,"day":22,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2509243.770833,"kali_year":5259,"ahargana":1920778.2708,"sun":{"sidereal_longitude":243.6139,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":135.3934,"rashi":5,"rashi_name":"Siṃha"},"tithi":{"number":21,"name":"Ṣaṣṭhī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ṣaṣṭhī","elongation_degrees":251.7795,"elapsed_within_tithi_degrees":11.7795},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1,"moon_longitude":135.3934,"elapsed_within_degrees":2.0601},"yoga":{"number":2,"name":"Prīti","sum_longitude":19.0073},"karana":{"half_tithi_index":41,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.074,"elongation":108.221},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.074,"opposition_distance":71.779}},"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":"07:29","sunsetLocal":"17:25","solarNoonLocal":"12:27","dayLengthHours":9.932330898156458,"dayLengthDisplay":"9 Hours 55 Mins 56 Secs","nightLengthDisplay":"14 Hours 04 Mins 04 Secs","moonriseLocal":"22:56","moonsetLocal":"11:38","rahuKala":{"name":"Rāhu Kāla","start":"13:42","end":"14:56","startHours":13.69792457727755,"endHours":14.939465939547107,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:29","end":"08:44","startHours":7.4902177659297635,"endHours":8.731759128199322,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:58","end":"11:13","startHours":9.973300490468878,"endHours":11.214841852738434,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:48","end":"10:08","startHours":9.80776164216627,"endHours":10.138839338771486,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:54","end":"08:10","startHours":7.904064886686283,"endHours":8.168927043970454,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:08","end":"12:47","startHours":12.125305518402778,"endHours":12.787460911613207,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:10","end":"06:50","startHours":6.165906979508902,"endHours":6.828062372719333,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:40","end":"07:29","startHours":6.662523524416725,"endHours":7.4902177659297635,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:07","end":"14:46","startHours":14.111771698034069,"endHours":14.773927091244499,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:13","end":"17:37","startHours":17.222548664086222,"endHours":17.62254866408622,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:25","end":"17:50","startHours":17.42254866408622,"endHours":17.83639578484274,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:10","end":"18:55","startHours":17.17254866408622,"endHours":18.92254866408622,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:08","end":"00:47","startHours":24.125305518402776,"endHours":24.78746091161321,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"07:29","end":"08:44","startHours":7.4902177659297635,"endHours":8.731759128199322,"quality":"auspicious"},{"name":"Roga","start":"08:44","end":"09:58","startHours":8.731759128199322,"endHours":9.973300490468878,"quality":"inauspicious"},{"name":"Udveg","start":"09:58","end":"11:13","startHours":9.973300490468878,"endHours":11.214841852738434,"quality":"inauspicious"},{"name":"Chala","start":"11:13","end":"12:27","startHours":11.214841852738434,"endHours":12.456383215007993,"quality":"neutral"},{"name":"Labha","start":"12:27","end":"13:42","startHours":12.456383215007993,"endHours":13.69792457727755,"quality":"auspicious"},{"name":"Amṛta","start":"13:42","end":"14:56","startHours":13.69792457727755,"endHours":14.939465939547107,"quality":"auspicious"},{"name":"Kāla","start":"14:56","end":"16:11","startHours":14.939465939547107,"endHours":16.181007301816663,"quality":"inauspicious"},{"name":"Śubha","start":"16:11","end":"17:25","startHours":16.181007301816663,"endHours":17.42254866408622,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:25","end":"19:11","startHours":17.42254866408622,"endHours":19.181007301816663,"quality":"auspicious"},{"name":"Kāla","start":"19:11","end":"20:56","startHours":19.181007301816663,"endHours":20.939465939547105,"quality":"inauspicious"},{"name":"Śubha","start":"20:56","end":"22:42","startHours":20.939465939547105,"endHours":22.69792457727755,"quality":"auspicious"},{"name":"Roga","start":"22:42","end":"00:27","startHours":22.69792457727755,"endHours":24.456383215007993,"quality":"inauspicious"},{"name":"Udveg","start":"00:27","end":"02:13","startHours":24.456383215007993,"endHours":26.214841852738434,"quality":"inauspicious"},{"name":"Chala","start":"02:13","end":"03:58","startHours":26.214841852738434,"endHours":27.97330049046888,"quality":"neutral"},{"name":"Labha","start":"03:58","end":"05:44","startHours":27.97330049046888,"endHours":29.73175912819932,"quality":"auspicious"},{"name":"Amṛta","start":"05:44","end":"07:29","startHours":29.73175912819932,"endHours":31.490217765929764,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:29","end":"08:29","startHours":7.4902177659297635,"endHours":8.490217765929764,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"08:29","end":"09:29","startHours":8.490217765929764,"endHours":9.490217765929764,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"09:29","end":"10:29","startHours":9.490217765929764,"endHours":10.490217765929764,"planetary_lord":"Moon"},{"name":"Hora 4","start":"10:29","end":"11:29","startHours":10.490217765929764,"endHours":11.490217765929764,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"11:29","end":"12:29","startHours":11.490217765929764,"endHours":12.490217765929764,"planetary_lord":"Venus"},{"name":"Hora 6","start":"12:29","end":"13:29","startHours":12.490217765929764,"endHours":13.490217765929764,"planetary_lord":"Sun"},{"name":"Hora 7","start":"13:29","end":"14:29","startHours":13.490217765929764,"endHours":14.490217765929764,"planetary_lord":"Mars"},{"name":"Hora 8","start":"14:29","end":"15:29","startHours":14.490217765929764,"endHours":15.490217765929764,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"15:29","end":"16:29","startHours":15.490217765929764,"endHours":16.490217765929764,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"16:29","end":"17:29","startHours":16.490217765929764,"endHours":17.490217765929764,"planetary_lord":"Moon"},{"name":"Hora 11","start":"17:29","end":"18:29","startHours":17.490217765929764,"endHours":18.490217765929764,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"18:29","end":"19:29","startHours":18.490217765929764,"endHours":19.490217765929764,"planetary_lord":"Venus"},{"name":"Hora 13","start":"19:29","end":"20:29","startHours":19.490217765929764,"endHours":20.490217765929764,"planetary_lord":"Sun"},{"name":"Hora 14","start":"20:29","end":"21:29","startHours":20.490217765929764,"endHours":21.490217765929764,"planetary_lord":"Mars"},{"name":"Hora 15","start":"21:29","end":"22:29","startHours":21.490217765929764,"endHours":22.490217765929764,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"22:29","end":"23:29","startHours":22.490217765929764,"endHours":23.490217765929764,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"23:29","end":"00:29","startHours":23.490217765929764,"endHours":24.490217765929764,"planetary_lord":"Moon"},{"name":"Hora 18","start":"00:29","end":"01:29","startHours":24.490217765929764,"endHours":25.490217765929764,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"01:29","end":"02:29","startHours":25.490217765929764,"endHours":26.490217765929764,"planetary_lord":"Venus"},{"name":"Hora 20","start":"02:29","end":"03:29","startHours":26.490217765929764,"endHours":27.490217765929764,"planetary_lord":"Sun"},{"name":"Hora 21","start":"03:29","end":"04:29","startHours":27.490217765929764,"endHours":28.490217765929764,"planetary_lord":"Mars"},{"name":"Hora 22","start":"04:29","end":"05:29","startHours":28.490217765929764,"endHours":29.490217765929764,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"05:29","end":"06:29","startHours":29.490217765929764,"endHours":30.490217765929764,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"06:29","end":"07:29","startHours":30.490217765929764,"endHours":31.490217765929764,"planetary_lord":"Moon"}],"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":["Vṛṣabha","Mithuna","Siṃha","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Kanyā","Vṛścika","Dhanu","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"West","rahuVasa":"North-West","anandadiYoga":{"name":"Sushira","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.435921089845497,"eotMinutes":0.9130070995203906,"ayanamsa":26.0598}},"calendars":{"vikram_samvat":2214,"vikram_samvatsara":"Pramoda","saka_samvat":2079,"saka_samvatsara":"Piṅgala","bengali_samvat":1564,"malayalam_era":1333,"nanakshahi_year":688,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Kṛṣṇa Ṣaṣṭhī · Vikram 2214 Pramoda · Śaka 2079 Piṅgala"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — 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 December 22, 2157 CE · Phoenix, USA · Vidhyamitra","description":"December 22, 2157 CE for Phoenix, USA: Kṛṣṇa Ṣaṣṭhī, sūryodaya 07:29, sūryāsta 17:25.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2157-12-22","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2157-12-22","sa":"https://sa.vidhyamitra.com/city/phoenix/2157-12-22","hi":"https://hi.vidhyamitra.com/city/phoenix/2157-12-22","x-default":"https://vidhyamitra.com/city/phoenix/2157-12-22"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T15:03:37.870Z","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":"2026-06-01T15:03:37.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T15:03:37.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}