You can do this very easily! Open the client’s profile. (Tip: Use CTRL+F to quickly find them!) Click on the “Schedule” button. (If the client has more than one service, you will have to click on the service that has the schedule you wish to change.) In the window that pops up, click on the line with the schedule that is being changed. Click the “Change Schedule” button and choose the date in which you want the changes to take effect. Make the changes in the times below by altering the days of the week check-boxes and start / end times as needed. Hit apply! (Any shifts that conflict with this change will need to be dealt with accordingly!) Done!