{"id":"vidhyamitra:city-day:phoenix:2155-01-11:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2155-01-11","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2155-01-11","date_display":"January 11, 2155 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":2155,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508167.770833,"kali_year":5256,"ahargana":1919702.2708,"sun":{"sidereal_longitude":263.9405,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.9676,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.0271,"elapsed_within_tithi_degrees":9.0271},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9676,"elapsed_within_degrees":10.301},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.9082},"karana":{"half_tithi_index":15,"name":"Bava"},"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":2155,"month":1,"day":11,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2508167.770833,"ahargana":1919702.2708,"kali_year":5256,"ayanamsa_lahiri":26.0186,"grahas":{"sun":{"sidereal_longitude":264.473204,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":0.235904000000005,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":1,"name":"Aśvinī","pada":1},"retrograde":false,"latitude":0.9372},"mars":{"sidereal_longitude":157.902104,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":243.75260400000002,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":27.751704000000018,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":1},"retrograde":true},"venus":{"sidereal_longitude":220.04720399999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":129.430404,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":true},"rahu":{"sidereal_longitude":344.9354,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":164.9354,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","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":2155,"month":1,"day":11,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2508167.770833,"kali_year":5256,"ahargana":1919702.2708,"sun":{"sidereal_longitude":263.9405,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":356.9676,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":8,"name":"Aṣṭamī","paksha":"Śukla","full_name":"Śukla Aṣṭamī","elongation_degrees":93.0271,"elapsed_within_tithi_degrees":9.0271},"nakshatra":{"number":27,"name":"Revatī","pada":4,"moon_longitude":356.9676,"elapsed_within_degrees":10.301},"yoga":{"number":20,"name":"Śiva","sum_longitude":260.9082},"karana":{"half_tithi_index":15,"name":"Bava"},"vara":{"number":1,"name":"Śanivāra (Saturday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":0.937,"elongation":93.027},"lunar":{"type":"lunar","occurs":false,"moon_latitude":0.937,"opposition_distance":86.973}},"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":"07:33","sunsetLocal":"17:39","solarNoonLocal":"12:36","dayLengthHours":10.097812562567277,"dayLengthDisplay":"10 Hours 05 Mins 52 Secs","nightLengthDisplay":"13 Hours 54 Mins 08 Secs","moonriseLocal":"12:29","moonsetLocal":"01:29","rahuKala":{"name":"Rāhu Kāla","start":"10:05","end":"11:20","startHours":10.078588563274288,"endHours":11.340815133595198,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"13:52","end":"15:08","startHours":13.865268274237017,"endHours":15.127494844557926,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:33","end":"08:49","startHours":7.554135422632469,"endHours":8.816361992953379,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.910291687231501,"endHours":10.246885439317076,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:15","startHours":7.974877612739439,"endHours":8.2441526144079,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:16","end":"12:56","startHours":12.266447951830532,"endHours":12.939635456001685,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:53","startHours":6.207760414290165,"endHours":6.880947918461318,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.712651042418529,"endHours":7.554135422632469,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"14:58","startHours":14.286010464343988,"endHours":14.95919796851514,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.451947985199748,"endHours":17.851947985199747,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:04","startHours":17.651947985199747,"endHours":18.072690175306718,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.401947985199747,"endHours":19.151947985199747,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:16","end":"00:56","startHours":24.266447951830532,"endHours":24.939635456001685,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Kāla","start":"07:33","end":"08:49","startHours":7.554135422632469,"endHours":8.816361992953379,"quality":"inauspicious"},{"name":"Śubha","start":"08:49","end":"10:05","startHours":8.816361992953379,"endHours":10.078588563274288,"quality":"auspicious"},{"name":"Roga","start":"10:05","end":"11:20","startHours":10.078588563274288,"endHours":11.340815133595198,"quality":"inauspicious"},{"name":"Udveg","start":"11:20","end":"12:36","startHours":11.340815133595198,"endHours":12.603041703916109,"quality":"inauspicious"},{"name":"Chala","start":"12:36","end":"13:52","startHours":12.603041703916109,"endHours":13.865268274237017,"quality":"neutral"},{"name":"Labha","start":"13:52","end":"15:08","startHours":13.865268274237017,"endHours":15.127494844557926,"quality":"auspicious"},{"name":"Amṛta","start":"15:08","end":"16:23","startHours":15.127494844557926,"endHours":16.38972141487884,"quality":"auspicious"},{"name":"Kāla","start":"16:23","end":"17:39","startHours":16.38972141487884,"endHours":17.651947985199747,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Labha","start":"17:39","end":"19:23","startHours":17.651947985199747,"endHours":19.38972141487884,"quality":"auspicious"},{"name":"Amṛta","start":"19:23","end":"21:08","startHours":19.38972141487884,"endHours":21.12749484455793,"quality":"auspicious"},{"name":"Kāla","start":"21:08","end":"22:52","startHours":21.12749484455793,"endHours":22.865268274237017,"quality":"inauspicious"},{"name":"Śubha","start":"22:52","end":"00:36","startHours":22.865268274237017,"endHours":24.60304170391611,"quality":"auspicious"},{"name":"Roga","start":"00:36","end":"02:20","startHours":24.60304170391611,"endHours":26.3408151335952,"quality":"inauspicious"},{"name":"Udveg","start":"02:20","end":"04:05","startHours":26.3408151335952,"endHours":28.078588563274288,"quality":"inauspicious"},{"name":"Chala","start":"04:05","end":"05:49","startHours":28.078588563274288,"endHours":29.81636199295338,"quality":"neutral"},{"name":"Labha","start":"05:49","end":"07:33","startHours":29.81636199295338,"endHours":31.55413542263247,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.554135422632469,"endHours":8.55413542263247,"planetary_lord":"Saturn"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.55413542263247,"endHours":9.55413542263247,"planetary_lord":"Moon"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.55413542263247,"endHours":10.55413542263247,"planetary_lord":"Mercury"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.55413542263247,"endHours":11.55413542263247,"planetary_lord":"Venus"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.55413542263247,"endHours":12.55413542263247,"planetary_lord":"Sun"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.55413542263247,"endHours":13.55413542263247,"planetary_lord":"Mars"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.55413542263247,"endHours":14.55413542263247,"planetary_lord":"Jupiter"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.55413542263247,"endHours":15.55413542263247,"planetary_lord":"Saturn"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.55413542263247,"endHours":16.55413542263247,"planetary_lord":"Moon"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.55413542263247,"endHours":17.55413542263247,"planetary_lord":"Mercury"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.55413542263247,"endHours":18.55413542263247,"planetary_lord":"Venus"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.55413542263247,"endHours":19.55413542263247,"planetary_lord":"Sun"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.55413542263247,"endHours":20.55413542263247,"planetary_lord":"Mars"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.55413542263247,"endHours":21.55413542263247,"planetary_lord":"Jupiter"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.55413542263247,"endHours":22.55413542263247,"planetary_lord":"Saturn"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.55413542263247,"endHours":23.55413542263247,"planetary_lord":"Moon"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.55413542263247,"endHours":24.55413542263247,"planetary_lord":"Mercury"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.55413542263247,"endHours":25.55413542263247,"planetary_lord":"Venus"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.55413542263247,"endHours":26.55413542263247,"planetary_lord":"Sun"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.55413542263247,"endHours":27.55413542263247,"planetary_lord":"Mars"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.55413542263247,"endHours":28.55413542263247,"planetary_lord":"Jupiter"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.55413542263247,"endHours":29.55413542263247,"planetary_lord":"Saturn"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.55413542263247,"endHours":30.55413542263247,"planetary_lord":"Moon"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.55413542263247,"endHours":31.55413542263247,"planetary_lord":"Mercury"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","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":"East","anandadiYoga":{"name":"Gada","quality":"Inauspicious"},"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":-21.873885825941226,"eotMinutes":-7.886502234966622,"ayanamsa":26.0186}},"calendars":{"vikram_samvat":2212,"vikram_samvatsara":"Vibhava","saka_samvat":2077,"saka_samvatsara":"Rākṣasa","bengali_samvat":1562,"malayalam_era":1331,"nanakshahi_year":686,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","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 Śukla Aṣṭamī · Vikram 2212 Vibhava · Śaka 2077 Rākṣasa"},"festivals":[],"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":[{"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 11, 2155 CE · Phoenix, USA · Vidhyamitra","description":"January 11, 2155 CE for Phoenix, USA: Śukla Aṣṭamī, sūryodaya 07:33, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2155-01-11","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2155-01-11","sa":"https://sa.vidhyamitra.com/city/phoenix/2155-01-11","hi":"https://hi.vidhyamitra.com/city/phoenix/2155-01-11","x-default":"https://vidhyamitra.com/city/phoenix/2155-01-11"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T10:57:33.547Z","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":"2026-05-31T10:57:33.547Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T10:57:33.547Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}