BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:4a8c3c655e394aaaa2cacb821bef8982https://www.olsd.org.uk
                        DTSTAMP:20261005T221221
                        DTSTART:TZID=20250615T090000
                        DTEND:TZID=20250615T100000
                        SUMMARY:Sunday Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR