{"id":"vidhyamitra:city-day:phoenix:2008-12-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/phoenix/2008-12-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2008-12-28","date_display":"December 28, 2008 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":2008,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454828.770833,"kali_year":5110,"ahargana":1866363.2708,"sun":{"sidereal_longitude":252.4043,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":259.2289,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.8246,"elapsed_within_tithi_degrees":6.8246},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.2289,"elapsed_within_degrees":5.8955},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.6331},"karana":{"half_tithi_index":1,"name":"Bava"},"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":2008,"month":12,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2454828.770833,"ahargana":1866363.2708,"kali_year":5110,"ayanamsa_lahiri":23.9786,"grahas":{"sun":{"sidereal_longitude":252.693846,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"moon":{"sidereal_longitude":258.4374459999999,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false,"latitude":-2.3738},"mars":{"sidereal_longitude":246.44874600000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":270.01834600000007,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":274.52964599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":298.7644459999999,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":147.56654600000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":291.0923,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":111.0923,"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":2008,"month":12,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2454828.770833,"kali_year":5110,"ahargana":1866363.2708,"sun":{"sidereal_longitude":252.4043,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":259.2289,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":1,"name":"Pratipada","paksha":"Śukla","full_name":"Śukla Pratipada","elongation_degrees":6.8246,"elapsed_within_tithi_degrees":6.8246},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2,"moon_longitude":259.2289,"elapsed_within_degrees":5.8955},"yoga":{"number":12,"name":"Dhruva","sum_longitude":151.6331},"karana":{"half_tithi_index":1,"name":"Bava"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-2.374,"elongation":6.825},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-2.374,"opposition_distance":173.175}},"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":"07:32","sunsetLocal":"17:29","solarNoonLocal":"12:30","dayLengthHours":9.950304793602122,"dayLengthDisplay":"9 Hours 57 Mins 01 Secs","nightLengthDisplay":"14 Hours 02 Mins 59 Secs","moonriseLocal":"07:55","moonsetLocal":"17:52","rahuKala":{"name":"Rāhu Kāla","start":"16:14","end":"17:29","startHours":16.23441603867225,"endHours":17.478204137872517,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:30","end":"13:45","startHours":12.503051741071456,"endHours":13.74683984027172,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:59","end":"16:14","startHours":14.990627939471985,"endHours":16.23441603867225,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:51","end":"10:11","startHours":9.849637129444222,"endHours":10.181313955897627,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:57","end":"08:12","startHours":7.942495377337149,"endHours":8.207836838499873,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:10","end":"12:50","startHours":12.171374914618053,"endHours":12.83472856752486,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"06:12","end":"06:52","startHours":6.201192038456778,"endHours":6.864545691363586,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:42","end":"07:32","startHours":6.698707278136884,"endHours":7.527899344270394,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:10","end":"14:49","startHours":14.161435873338476,"endHours":14.824789526245285,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:17","end":"17:41","startHours":17.278204137872518,"endHours":17.678204137872516,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:29","end":"17:54","startHours":17.478204137872517,"endHours":17.89280017093927,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:14","end":"18:59","startHours":17.228204137872517,"endHours":18.978204137872517,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:10","end":"00:50","startHours":24.171374914618053,"endHours":24.83472856752486,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"07:32","end":"08:46","startHours":7.527899344270394,"endHours":8.77168744347066,"quality":"inauspicious"},{"name":"Chala","start":"08:46","end":"10:01","startHours":8.77168744347066,"endHours":10.015475542670924,"quality":"neutral"},{"name":"Labha","start":"10:01","end":"11:16","startHours":10.015475542670924,"endHours":11.25926364187119,"quality":"auspicious"},{"name":"Amṛta","start":"11:16","end":"12:30","startHours":11.25926364187119,"endHours":12.503051741071456,"quality":"auspicious"},{"name":"Kāla","start":"12:30","end":"13:45","startHours":12.503051741071456,"endHours":13.74683984027172,"quality":"inauspicious"},{"name":"Śubha","start":"13:45","end":"14:59","startHours":13.74683984027172,"endHours":14.990627939471985,"quality":"auspicious"},{"name":"Roga","start":"14:59","end":"16:14","startHours":14.990627939471985,"endHours":16.23441603867225,"quality":"inauspicious"},{"name":"Udveg","start":"16:14","end":"17:29","startHours":16.23441603867225,"endHours":17.478204137872517,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"17:29","end":"19:14","startHours":17.478204137872517,"endHours":19.23441603867225,"quality":"auspicious"},{"name":"Roga","start":"19:14","end":"20:59","startHours":19.23441603867225,"endHours":20.990627939471985,"quality":"inauspicious"},{"name":"Udveg","start":"20:59","end":"22:45","startHours":20.990627939471985,"endHours":22.746839840271722,"quality":"inauspicious"},{"name":"Chala","start":"22:45","end":"00:30","startHours":22.746839840271722,"endHours":24.503051741071456,"quality":"neutral"},{"name":"Labha","start":"00:30","end":"02:16","startHours":24.503051741071456,"endHours":26.25926364187119,"quality":"auspicious"},{"name":"Amṛta","start":"02:16","end":"04:01","startHours":26.25926364187119,"endHours":28.015475542670927,"quality":"auspicious"},{"name":"Kāla","start":"04:01","end":"05:46","startHours":28.015475542670927,"endHours":29.77168744347066,"quality":"inauspicious"},{"name":"Śubha","start":"05:46","end":"07:32","startHours":29.77168744347066,"endHours":31.527899344270395,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"07:32","end":"08:32","startHours":7.527899344270394,"endHours":8.527899344270395,"planetary_lord":"Sun"},{"name":"Hora 2","start":"08:32","end":"09:32","startHours":8.527899344270395,"endHours":9.527899344270395,"planetary_lord":"Mars"},{"name":"Hora 3","start":"09:32","end":"10:32","startHours":9.527899344270395,"endHours":10.527899344270395,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"10:32","end":"11:32","startHours":10.527899344270395,"endHours":11.527899344270395,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"11:32","end":"12:32","startHours":11.527899344270395,"endHours":12.527899344270395,"planetary_lord":"Moon"},{"name":"Hora 6","start":"12:32","end":"13:32","startHours":12.527899344270395,"endHours":13.527899344270395,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"13:32","end":"14:32","startHours":13.527899344270395,"endHours":14.527899344270395,"planetary_lord":"Venus"},{"name":"Hora 8","start":"14:32","end":"15:32","startHours":14.527899344270395,"endHours":15.527899344270395,"planetary_lord":"Sun"},{"name":"Hora 9","start":"15:32","end":"16:32","startHours":15.527899344270395,"endHours":16.527899344270395,"planetary_lord":"Mars"},{"name":"Hora 10","start":"16:32","end":"17:32","startHours":16.527899344270395,"endHours":17.527899344270395,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"17:32","end":"18:32","startHours":17.527899344270395,"endHours":18.527899344270395,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"18:32","end":"19:32","startHours":18.527899344270395,"endHours":19.527899344270395,"planetary_lord":"Moon"},{"name":"Hora 13","start":"19:32","end":"20:32","startHours":19.527899344270395,"endHours":20.527899344270395,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"20:32","end":"21:32","startHours":20.527899344270395,"endHours":21.527899344270395,"planetary_lord":"Venus"},{"name":"Hora 15","start":"21:32","end":"22:32","startHours":21.527899344270395,"endHours":22.527899344270395,"planetary_lord":"Sun"},{"name":"Hora 16","start":"22:32","end":"23:32","startHours":22.527899344270395,"endHours":23.527899344270395,"planetary_lord":"Mars"},{"name":"Hora 17","start":"23:32","end":"00:32","startHours":23.527899344270395,"endHours":24.527899344270395,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"00:32","end":"01:32","startHours":24.527899344270395,"endHours":25.527899344270395,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"01:32","end":"02:32","startHours":25.527899344270395,"endHours":26.527899344270395,"planetary_lord":"Moon"},{"name":"Hora 20","start":"02:32","end":"03:32","startHours":26.527899344270395,"endHours":27.527899344270395,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"03:32","end":"04:32","startHours":27.527899344270395,"endHours":28.527899344270395,"planetary_lord":"Venus"},{"name":"Hora 22","start":"04:32","end":"05:32","startHours":28.527899344270395,"endHours":29.527899344270395,"planetary_lord":"Sun"},{"name":"Hora 23","start":"05:32","end":"06:32","startHours":29.527899344270395,"endHours":30.527899344270395,"planetary_lord":"Mars"},{"name":"Hora 24","start":"06:32","end":"07:32","startHours":30.527899344270395,"endHours":31.527899344270395,"planetary_lord":"Jupiter"}],"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","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","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":-23.268373797881893,"eotMinutes":-1.8871044642874448,"ayanamsa":23.9786}},"calendars":{"vikram_samvat":2065,"vikram_samvatsara":"Plava","saka_samvat":1930,"saka_samvatsara":"Sarvadhāri","bengali_samvat":1415,"malayalam_era":1184,"nanakshahi_year":539,"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 Pratipada · Vikram 2065 Plava · Śaka 1930 Sarvadhāri"},"festivals":[],"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 December 28, 2008 CE · Phoenix, USA · Vidhyamitra","description":"December 28, 2008 CE for Phoenix, USA: Śukla Pratipada, sūryodaya 07:32, sūryāsta 17:29.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/phoenix/2008-12-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/phoenix/2008-12-28","sa":"https://sa.vidhyamitra.com/city/phoenix/2008-12-28","hi":"https://hi.vidhyamitra.com/city/phoenix/2008-12-28","x-default":"https://vidhyamitra.com/city/phoenix/2008-12-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T21:17:21.349Z","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":"2026-06-01T21:17:21.349Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T21:17:21.349Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}