BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:3d73a8f1f5918a06756c335e2eed20d1https://www.olsd.org.uk
                        DTSTAMP:20260517T064157
                        DTSTART:TZID=20250817T090000
                        DTEND:TZID=20250817T100000
                        SUMMARY:Sunday Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR