Radiology: Main hospital building (first come, first served) Weekdays: 8 a.m. to 8 p.m. Saturdays: 9 a.m. to 12 noon. Working holidays: 8 a.m. to 6 p.m. Carrasco Clinic (first come, first served) Weekdays: 8 a.m. to 8 p.m. Working holidays: 8 a.m. to 6 p.m. Ext. 4407