Access all your WhenToWork accounts in our easy to use app. View schedules, use tradeboard, submit time off, send/receive messages and more. Managers can add, edit & publish schedules, approve trades & time off and much more. Add multiple users and easily switch between accounts. WhenToWork provides online employee scheduling. If your organization does not already use WhenToWork, have your scheduling manager sign up for a free 30 day trial.