Chat Hours Summer 2022 Monday & Wednesday 9 a.m. - 9 p.m. (Central) Tuesday & Thursday 9 a.m. - 11 p.m. Friday 9 a.m. - 5 p.m. Saturday 12 p.m. - 4 p.m. Sunday 12 p.m. - 8 p.m. Front Desk Hours JPL Sundays, 12 pm-midnight Mondays-Thursdays, 7am-midnight Fridays, 7am-9pm Saturday: 9am-9pm DTL Mondays-Thursdays, 8am-9pm Fridays, 8am-6pm Saturday, 9am-6pm Sunday, 1pm-9pm Interlibrary Loan - Get It For Me Monday-Friday - 8 a.m. - 5 p.m.