To change a shift follow these steps:

Step 1: In the main menu, on the left side, click Users Management and then select the sub option Shifts.

Step 2: Use the buttons on top of the calendar to view the timeframe desired on a day, week or month view.

Step 3: Identify the shift you wish to change and select it. It will open the shift details.

Step 4: Click on Edit button. The details will become editable and you can update:

• Start and Finish time of the shift
• Users assigned to the shift
• End date of shift recurrence if existent 

Step 5: After the desired changes have been applied click on 'Save' button. If the change is applicable to the recurrent shift you'll be asked to confirm it.

The content of the calendar will be reloaded with the changes applied.