SWD webmail Calendar uses CalDAV. This means you can manage the calendar on any device that supports CalDAV calendars. On the iPhone/iPad it is very simple to do. Follow these setup instructions.
1) Settings
2) Mail, Contacts, Calendars
3) Add Account
4) Select ‘Other’ option
5) Add CalDAV Account (listed under Calendars section)
6) Server = mail.swd.ca | User Name = your email address
7) Select Next once you have all fields completed
After the Verifying process is done, you can now use the calendar.