All Turnitin services and related websites (Turnitin, OriginalityCheck, GradeMark, PeerMark, Turnitin for Admissions, WriteCheck, and iThenticate) may be unavailable for use during scheduled maintenance times. Times for these scheduled maintenance windows are the first and third Saturdays of each month, 7:00 AM to 11:00 AM Pacific Time (8 hours behind BST).
An announcement will appear inside Turnitin in advance of when the system will be unavailable for scheduled maintenance.