QCalendrier is an easy-to-use application for organizing your time between work and rest, and scheduling your appointments during rest days. It also allows you to plan your annual leave, check the day of your return to work and memorize the number of days to recover This program allows you to choose your shift mode, 2x12, 2x8, 3x8, 4x8, 5x8, 24x48, 24x72 ....