There are a number of ways you can edit an event or a booking on the grid.
your mouse click on the very right side of the booking or event and
re-size the event to the date where you want it to end up.
- Click the booking or event once, and then edit the start date and end date in the grid toolbar
- Click the booking or event once and then click the "Edit" button in the grid toolbar. A pop-up modal will appear where you can edit the start date and end date of the booking.