Add and edit a calendar event on iCloud.com
You can add one-time, recurring, all-day, and multi-day events to your calendars. You can invite other people to an event, add notes, and more.
Note: You need to be on a tablet or computer to use Calendar on iCloud.com.
Create an event
Go to icloud.com/calendar, then sign in to your Apple Account (if necessary).
Select
in the top-right corner. (Or on a computer, double-click the time and date where you want to create the event.) Tip: To create an event from the iCloud.com homepage, select
in the corner of the Calendar tile. To create a new event from anywhere on iCloud.com, select 
in the toolbar, then select Calendar Event.Type a name and location for the event, then do any of the following:
Choose which calendar the event belongs to: If you have multiple calendars and want to add the event to a different calendar, select the Calendar pop-up menu, then choose an option.
Make the event last all day: Turn on All Day.
Set the event’s date and time: Select the Starts and Ends fields, then adjust the dates or times.
Set the event’s time zone: Select the Time Zone pop-up menu, then choose an option. If you don’t see the Time Zone pop-up menu, turn on time zone support.
Keep the event in the same time zone (even if the calendar’s time zone changes): Select the Time Zone pop-up menu, then choose Floating.
Make the event a multi-day event: Select All Day, then specify dates in the Starts and Ends fields.
Make the event a repeating event: Select the Repeat pop-up menu, then choose an option.
Add invitees: Select
next to Invitees, then enter one or more email addresses. See Invite other people.Add attachments: Select
next to Attachments, then choose a file to upload. A paper clip icon 
appears on the event to indicate there’s an attachment.Add a link to an event: Type in the URL field.
Add a note to an event: Type in the Notes field.
You can also set an alert.
Select Add.
Move an event to another calendar
You can move any event to another calendar that you own or that has been shared with you.
Note: The image above shows Calendar on iCloud.com on a computer. The appearance may vary slightly on a tablet.
Go to icloud.com/calendar, then sign in to your Apple Account (if necessary).
Tap or double-click the event you want to move.
Select the Calendar pop-up menu.
Choose which calendar you want to move the event to, then select Save.
Tip: On a computer, you can also drag the event to the sidebar and drop it on the calendar you want to move it to.
You can change an event’s settings at any time. Tap or double-click an event to open it and make adjustments.