BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20230125T000000Z DTEND:20230125T000000Z SUMMARY:Best practice in allergen cleaning validation starts on the 25th January 2023 09:00 LOCATION: END:VEVENT END:VCALENDAR