BEGIN:VCALENDAR
                        VERSION:2.0
                        PRODID:-//hacksw/handcal//NONSGML v1.0//EN
                        BEGIN:VEVENT
                        UID:cda267adc49ba00fe18d0dcdbfb2d430https://www.olsd.org.uk
                        DTSTAMP:20260530T091036
                        DTSTART:TZID=20260530T091036
                        DTEND:TZID=20260530T091036
                        SUMMARY:Vigil Mass
                        DESCRIPTION:
                        END:VEVENT
                        END:VCALENDAR