The GRIC has the same service hours as the CRE. It is also subject to change depending on the academic calendar. To verify if the GRIC is open, please review the calendar in the following link: http://www.uprm.edu/library/servicios/calendariobibgen.html
GRIC’s regular schedule
Monday to Wednesday 6:00 am - 12:00 am
Thursday 6:00 am - 9:00 pm
Friday 6:00 am - 5:00 pm
Saturday 9:00 am - 5:00 pm
Sunday 4:00 pm - 12:00 am
For holidays, see details in the calendar.