{"id":"vidhyamitra:city-day:phoenix:2102-01-15:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2102-01-15","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2102-01-15","date_display":"January 15, 2102 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":2102,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488813.770833,"kali_year":5203,"ahargana":1900348.2708,"sun":{"sidereal_longitude":268.7844,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":215.0352,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":306.2508,"elapsed_within_tithi_degrees":6.2508},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.0352,"elapsed_within_degrees":1.7019},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.8196},"karana":{"half_tithi_index":51,"name":"Bālava"},"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":2102,"month":1,"day":15,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2488813.770833,"ahargana":1900348.2708,"kali_year":5203,"ayanamsa_lahiri":25.2784,"grahas":{"sun":{"sidereal_longitude":269.151069,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":212.57196899999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false,"latitude":-4.3538},"mars":{"sidereal_longitude":44.657669,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":251.5463689999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":true},"jupiter":{"sidereal_longitude":228.65086900000006,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":231.20716900000002,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":202.37596899999994,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":290.4035,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":110.4035,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","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":2102,"month":1,"day":15,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2488813.770833,"kali_year":5203,"ahargana":1900348.2708,"sun":{"sidereal_longitude":268.7844,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":215.0352,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":306.2508,"elapsed_within_tithi_degrees":6.2508},"nakshatra":{"number":17,"name":"Anurādhā","pada":1,"moon_longitude":215.0352,"elapsed_within_degrees":1.7019},"yoga":{"number":10,"name":"Gaṇḍa","sum_longitude":123.8196},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-4.354,"elongation":53.749},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-4.354,"opposition_distance":126.251}},"eclipse_window_40days":[{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":-1.366,"elongation":0.393},{"offset_days":19,"type":"lunar","occurs":true,"moon_latitude":0.307,"opposition_distance":2.772}]},"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":"17:43","solarNoonLocal":"12:38","dayLengthHours":10.164658834277285,"dayLengthDisplay":"10 Hours 09 Mins 53 Secs","nightLengthDisplay":"13 Hours 50 Mins 07 Secs","moonriseLocal":"03:43","moonsetLocal":"14:00","rahuKala":{"name":"Rāhu Kāla","start":"16:26","end":"17:43","startHours":16.439179553622864,"endHours":17.709761907907527,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:38","end":"13:54","startHours":12.627432490768886,"endHours":13.898014845053545,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:10","end":"16:26","startHours":15.168597199338206,"endHours":16.439179553622864,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:55","end":"10:15","startHours":9.916856801628276,"endHours":10.255678762770852,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:58","end":"08:14","startHours":7.968630525058463,"endHours":8.239688093972523,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"12:58","startHours":12.28861052962631,"endHours":12.966254451911462,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:11","end":"06:52","startHours":6.1898152290599375,"endHours":6.86745915134509,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:33","startHours":6.698048170773802,"endHours":7.5451030736302425,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:19","end":"15:00","startHours":14.321542296481766,"endHours":14.99918621876692,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:31","end":"17:55","startHours":17.509761907907528,"endHours":17.909761907907527,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:43","end":"18:08","startHours":17.709761907907527,"endHours":18.13328935933575,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:28","end":"19:13","startHours":17.459761907907527,"endHours":19.209761907907527,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"00:58","startHours":24.28861052962631,"endHours":24.96625445191146,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:33","end":"08:49","startHours":7.5451030736302425,"endHours":8.815685427914904,"quality":"inauspicious"},{"name":"Chala","start":"08:49","end":"10:05","startHours":8.815685427914904,"endHours":10.086267782199563,"quality":"neutral"},{"name":"Labha","start":"10:05","end":"11:21","startHours":10.086267782199563,"endHours":11.356850136484224,"quality":"auspicious"},{"name":"Amṛta","start":"11:21","end":"12:38","startHours":11.356850136484224,"endHours":12.627432490768886,"quality":"auspicious"},{"name":"Kāla","start":"12:38","end":"13:54","startHours":12.627432490768886,"endHours":13.898014845053545,"quality":"inauspicious"},{"name":"Śubha","start":"13:54","end":"15:10","startHours":13.898014845053545,"endHours":15.168597199338206,"quality":"auspicious"},{"name":"Roga","start":"15:10","end":"16:26","startHours":15.168597199338206,"endHours":16.439179553622864,"quality":"inauspicious"},{"name":"Udveg","start":"16:26","end":"17:43","startHours":16.439179553622864,"endHours":17.709761907907527,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:43","end":"19:26","startHours":17.709761907907527,"endHours":19.439179553622868,"quality":"auspicious"},{"name":"Roga","start":"19:26","end":"21:10","startHours":19.439179553622868,"endHours":21.168597199338205,"quality":"inauspicious"},{"name":"Udveg","start":"21:10","end":"22:54","startHours":21.168597199338205,"endHours":22.898014845053545,"quality":"inauspicious"},{"name":"Chala","start":"22:54","end":"00:38","startHours":22.898014845053545,"endHours":24.627432490768886,"quality":"neutral"},{"name":"Labha","start":"00:38","end":"02:21","startHours":24.627432490768886,"endHours":26.356850136484226,"quality":"auspicious"},{"name":"Amṛta","start":"02:21","end":"04:05","startHours":26.356850136484226,"endHours":28.086267782199563,"quality":"auspicious"},{"name":"Kāla","start":"04:05","end":"05:49","startHours":28.086267782199563,"endHours":29.815685427914904,"quality":"inauspicious"},{"name":"Śubha","start":"05:49","end":"07:33","startHours":29.815685427914904,"endHours":31.545103073630244,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.5451030736302425,"endHours":8.545103073630242,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.545103073630242,"endHours":9.545103073630242,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.545103073630242,"endHours":10.545103073630242,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.545103073630242,"endHours":11.545103073630242,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.545103073630242,"endHours":12.545103073630242,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.545103073630242,"endHours":13.545103073630242,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.545103073630242,"endHours":14.545103073630242,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.545103073630242,"endHours":15.545103073630242,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.545103073630242,"endHours":16.545103073630244,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.545103073630244,"endHours":17.545103073630244,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.545103073630244,"endHours":18.545103073630244,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.545103073630244,"endHours":19.545103073630244,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.545103073630244,"endHours":20.545103073630244,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.545103073630244,"endHours":21.545103073630244,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.545103073630244,"endHours":22.545103073630244,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.545103073630244,"endHours":23.545103073630244,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.545103073630244,"endHours":24.545103073630244,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.545103073630244,"endHours":25.545103073630244,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.545103073630244,"endHours":26.545103073630244,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.545103073630244,"endHours":27.545103073630244,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.545103073630244,"endHours":28.545103073630244,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.545103073630244,"endHours":29.545103073630244,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.545103073630244,"endHours":30.545103073630244,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.545103073630244,"endHours":31.545103073630244,"planetary_lord":"Jupiter"}],"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":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"North-East","anandadiYoga":{"name":"Mṛtyu","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":-21.230689331112426,"eotMinutes":-9.349949446133257,"ayanamsa":25.2784}},"calendars":{"vikram_samvat":2159,"vikram_samvatsara":"Yuva","saka_samvat":2024,"saka_samvatsara":"Dundubhi","bengali_samvat":1509,"malayalam_era":1278,"nanakshahi_year":633,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","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":"Śiśira (Winter)","display_summary":"Māgha Kṛṣṇa Ekādaśī · Vikram 2159 Yuva · Śaka 2024 Dundubhi"},"festivals":[{"id":"shattila-ekadashi","name":"Ṣaṭ-tilā Ekādaśī","name_sanskrit":"षट्तिला एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Six uses of tila (sesame) on this Ekādaśī confer mokṣa.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Māgha"},"precedence":4},{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"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":[]},"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 15, 2102 CE · Phoenix, USA · Vidhyamitra","description":"January 15, 2102 CE for Phoenix, USA: Kṛṣṇa Ekādaśī, sūryodaya 07:33, sūryāsta 17:43.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2102-01-15","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2102-01-15","sa":"https://sa.vidhyamitra.com/city/phoenix/2102-01-15","hi":"https://hi.vidhyamitra.com/city/phoenix/2102-01-15","x-default":"https://vidhyamitra.com/city/phoenix/2102-01-15"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-31T16:24:05.307Z","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":"2026-05-31T16:24:05.307Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-31T16:24:05.307Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}