06:00 2009 UNTIL 22 MAY 14:45 means 8:00 until 16:45 LOCAL TIME (GMT+2, summertime )
But this NOTAM is designed for regular traffic that want to visit leeuwarden this day. The CC-177 is planned already.
So, no traffic tomorroy at Leeuwarden, but "only" one CC-177 and a chopper inside