Edit a recurring event
You can edit a recurring event from the Manage events page.
Steps
Click on My Apps.
Select Events.
You arrive on the Manage Event page.
If you have already created recurring events you will be able to see them on this page Create a series of recurring events
On the Actions column, click on the three dots of any recurring(Subsequent) event.
Select Edit from the dropdown menu.
You arrive on the Edit event page.
Make the edit and then scroll down and click Save.