BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//RUNNING.VN//Calendar//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:RUNNING.VN group runs
X-WR-TIMEZONE:Asia/Ho_Chi_Minh
REFRESH-INTERVAL;VALUE=DURATION:PT6H
END:VCALENDAR