{"id":"vidhyamitra:city-day:phoenix:2028-01-07:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2028-01-07","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2028-01-07","date_display":"January 7, 2028 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":2028,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461777.770833,"kali_year":5129,"ahargana":1873312.2708,"sun":{"sidereal_longitude":261.743,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":16.9508,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2078,"elapsed_within_tithi_degrees":7.2078},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":16.9508,"elapsed_within_degrees":3.6175},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.6938},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"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":2028,"month":1,"day":7,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2461777.770833,"ahargana":1873312.2708,"kali_year":5129,"ayanamsa_lahiri":24.2444,"grahas":{"sun":{"sidereal_longitude":261.996543,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false},"moon":{"sidereal_longitude":14.766143,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":4.4887},"mars":{"sidereal_longitude":278.001343,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":276.68044299999997,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":153.032643,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":297.74264300000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":356.975343,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":282.9009,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":102.9009,"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":2028,"month":1,"day":7,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2461777.770833,"kali_year":5129,"ahargana":1873312.2708,"sun":{"sidereal_longitude":261.743,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":16.9508,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":115.2078,"elapsed_within_tithi_degrees":7.2078},"nakshatra":{"number":2,"name":"Bharaṇī","pada":2,"moon_longitude":16.9508,"elapsed_within_degrees":3.6175},"yoga":{"number":21,"name":"Siddha","sum_longitude":278.6938},"karana":{"half_tithi_index":19,"name":"Gara"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.489,"elongation":115.208},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.489,"opposition_distance":64.792}},"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":"17:36","solarNoonLocal":"12:35","dayLengthHours":10.03742060610802,"dayLengthDisplay":"10 Hours 02 Mins 15 Secs","nightLengthDisplay":"13 Hours 57 Mins 45 Secs","moonriseLocal":"13:23","moonsetLocal":"02:48","rahuKala":{"name":"Rāhu Kāla","start":"11:19","end":"12:35","startHours":11.321790329360159,"endHours":12.57646790512366,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"15:05","end":"16:20","startHours":15.085823056650666,"endHours":16.34050063241417,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:49","end":"10:04","startHours":8.812435177833153,"endHours":10.067112753596657,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:54","end":"10:14","startHours":9.899822410161523,"endHours":10.234403097031791,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:59","end":"08:15","startHours":7.975983460657486,"endHours":8.2436480101537,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:15","end":"12:55","startHours":12.241887218253392,"endHours":12.911048591993929,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:13","end":"06:53","startHours":6.219434854588583,"endHours":6.888596228329117,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:43","end":"07:33","startHours":6.721305884893983,"endHours":7.5577576020696515,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:15","end":"14:55","startHours":14.249371339474997,"endHours":14.918532713215532,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:24","end":"17:48","startHours":17.395178208177672,"endHours":17.79517820817767,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:36","end":"18:01","startHours":17.59517820817767,"endHours":18.013404066765506,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:21","end":"19:06","startHours":17.34517820817767,"endHours":19.09517820817767,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:15","end":"00:55","startHours":24.241887218253392,"endHours":24.91104859199393,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"07:33","end":"08:49","startHours":7.5577576020696515,"endHours":8.812435177833153,"quality":"neutral"},{"name":"Labha","start":"08:49","end":"10:04","startHours":8.812435177833153,"endHours":10.067112753596657,"quality":"auspicious"},{"name":"Amṛta","start":"10:04","end":"11:19","startHours":10.067112753596657,"endHours":11.321790329360159,"quality":"auspicious"},{"name":"Kāla","start":"11:19","end":"12:35","startHours":11.321790329360159,"endHours":12.57646790512366,"quality":"inauspicious"},{"name":"Śubha","start":"12:35","end":"13:50","startHours":12.57646790512366,"endHours":13.831145480887164,"quality":"auspicious"},{"name":"Roga","start":"13:50","end":"15:05","startHours":13.831145480887164,"endHours":15.085823056650666,"quality":"inauspicious"},{"name":"Udveg","start":"15:05","end":"16:20","startHours":15.085823056650666,"endHours":16.34050063241417,"quality":"inauspicious"},{"name":"Chala","start":"16:20","end":"17:36","startHours":16.34050063241417,"endHours":17.59517820817767,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:36","end":"19:20","startHours":17.59517820817767,"endHours":19.34050063241417,"quality":"inauspicious"},{"name":"Udveg","start":"19:20","end":"21:05","startHours":19.34050063241417,"endHours":21.085823056650668,"quality":"inauspicious"},{"name":"Chala","start":"21:05","end":"22:50","startHours":21.085823056650668,"endHours":22.831145480887166,"quality":"neutral"},{"name":"Labha","start":"22:50","end":"00:35","startHours":22.831145480887166,"endHours":24.57646790512366,"quality":"auspicious"},{"name":"Amṛta","start":"00:35","end":"02:19","startHours":24.57646790512366,"endHours":26.32179032936016,"quality":"auspicious"},{"name":"Kāla","start":"02:19","end":"04:04","startHours":26.32179032936016,"endHours":28.067112753596657,"quality":"inauspicious"},{"name":"Śubha","start":"04:04","end":"05:49","startHours":28.067112753596657,"endHours":29.81243517783315,"quality":"auspicious"},{"name":"Roga","start":"05:49","end":"07:33","startHours":29.81243517783315,"endHours":31.55775760206965,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"07:33","end":"08:33","startHours":7.5577576020696515,"endHours":8.557757602069652,"planetary_lord":"Venus"},{"name":"Hora 2","start":"08:33","end":"09:33","startHours":8.557757602069652,"endHours":9.557757602069652,"planetary_lord":"Sun"},{"name":"Hora 3","start":"09:33","end":"10:33","startHours":9.557757602069652,"endHours":10.557757602069652,"planetary_lord":"Mars"},{"name":"Hora 4","start":"10:33","end":"11:33","startHours":10.557757602069652,"endHours":11.557757602069652,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"11:33","end":"12:33","startHours":11.557757602069652,"endHours":12.557757602069652,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"12:33","end":"13:33","startHours":12.557757602069652,"endHours":13.557757602069652,"planetary_lord":"Moon"},{"name":"Hora 7","start":"13:33","end":"14:33","startHours":13.557757602069652,"endHours":14.557757602069652,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"14:33","end":"15:33","startHours":14.557757602069652,"endHours":15.557757602069652,"planetary_lord":"Venus"},{"name":"Hora 9","start":"15:33","end":"16:33","startHours":15.557757602069652,"endHours":16.55775760206965,"planetary_lord":"Sun"},{"name":"Hora 10","start":"16:33","end":"17:33","startHours":16.55775760206965,"endHours":17.55775760206965,"planetary_lord":"Mars"},{"name":"Hora 11","start":"17:33","end":"18:33","startHours":17.55775760206965,"endHours":18.55775760206965,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"18:33","end":"19:33","startHours":18.55775760206965,"endHours":19.55775760206965,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"19:33","end":"20:33","startHours":19.55775760206965,"endHours":20.55775760206965,"planetary_lord":"Moon"},{"name":"Hora 14","start":"20:33","end":"21:33","startHours":20.55775760206965,"endHours":21.55775760206965,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"21:33","end":"22:33","startHours":21.55775760206965,"endHours":22.55775760206965,"planetary_lord":"Venus"},{"name":"Hora 16","start":"22:33","end":"23:33","startHours":22.55775760206965,"endHours":23.55775760206965,"planetary_lord":"Sun"},{"name":"Hora 17","start":"23:33","end":"00:33","startHours":23.55775760206965,"endHours":24.55775760206965,"planetary_lord":"Mars"},{"name":"Hora 18","start":"00:33","end":"01:33","startHours":24.55775760206965,"endHours":25.55775760206965,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"01:33","end":"02:33","startHours":25.55775760206965,"endHours":26.55775760206965,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"02:33","end":"03:33","startHours":26.55775760206965,"endHours":27.55775760206965,"planetary_lord":"Moon"},{"name":"Hora 21","start":"03:33","end":"04:33","startHours":27.55775760206965,"endHours":28.55775760206965,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"04:33","end":"05:33","startHours":28.55775760206965,"endHours":29.55775760206965,"planetary_lord":"Venus"},{"name":"Hora 23","start":"05:33","end":"06:33","startHours":29.55775760206965,"endHours":30.55775760206965,"planetary_lord":"Sun"},{"name":"Hora 24","start":"06:33","end":"07:33","startHours":30.55775760206965,"endHours":31.55775760206965,"planetary_lord":"Mars"}],"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":"South-East","anandadiYoga":{"name":"Mausala","quality":"Inauspicious"},"drikRitu":"Hemanta (Pre-winter) (Drik)","vedicRitu":"Hemanta (Pre-winter)","drikAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-22.44897896795785,"eotMinutes":-6.292074307419696,"ayanamsa":24.2444}},"calendars":{"vikram_samvat":2085,"vikram_samvatsara":"Durmati","saka_samvat":1950,"saka_samvatsara":"Kīlaka","bengali_samvat":1435,"malayalam_era":1204,"nanakshahi_year":559,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Daśamī · Vikram 2085 Durmati · Śaka 1950 Kīlaka"},"festivals":[{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti. (Approximated as 13/14 January annually; correct via Sun in Dhanu/Makara cusp.)","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":4},{"id":"dhanu-sankranti","name":"Dhanu Saṅkrānti","name_sanskrit":"धनु सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Sagittarius; Dhanu-māsa (Khara-māsa).","vrata":false,"detection":{"sun_rashi":"Dhanu"},"precedence":5}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Śukravāra (Friday) — 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 7, 2028 CE · Phoenix, USA · Vidhyamitra","description":"January 7, 2028 CE for Phoenix, USA: Śukla Daśamī, sūryodaya 07:33, sūryāsta 17:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2028-01-07","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2028-01-07","sa":"https://sa.vidhyamitra.com/city/phoenix/2028-01-07","hi":"https://hi.vidhyamitra.com/city/phoenix/2028-01-07","x-default":"https://vidhyamitra.com/city/phoenix/2028-01-07"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-14T23:44:57.016Z","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":"2026-05-14T23:44:57.016Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-14T23:44:57.016Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}