Set Time Limits Set time limits for Aplia™, CNOW, and world language activities. Make an Aplia Activity TimedYou can set a time limit for students to complete an Aplia activity. Change this using the Aplia tool. Set Time Limits for CNOW ActivitiesSet a time limit for students to complete a CNOW activity. Set Time Limits for World Language ActivitiesSet a time limit for students to complete an activity in your world language course. Extend Time LimitsIf students need more time to complete a timed activity, select the activity in the gradebook and click Extend Time Limit.