BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//wp-events-plugin.com//7.4.3//EN
TZID:Europe/London
X-WR-TIMEZONE:Europe/London
BEGIN:VEVENT
UID:1@stamps.org.uk
DTSTART;TZID=Europe/London:20211024T130000
DTEND;TZID=Europe/London:20211024T130000
DTSTAMP:20211023T151042Z
URL:https://stamps.org.uk/events/sample-event/
SUMMARY:Sample Event
DESCRIPTION:test
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/London
X-LIC-LOCATION:Europe/London
BEGIN:DAYLIGHT
DTSTART:20210328T020000
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
END:DAYLIGHT
END:VTIMEZONE
END:VCALENDAR