BEGIN:VCALENDAR
PRODID:-//event//iCal4j 1.0//EN
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTAMP:20260406T181004Z
DTSTART:20230331T144600Z
DTEND:20230331T144600Z
SUMMARY:doc---digital-timekeeping
LOCATION:    
END:VEVENT
END:VCALENDAR