At 6 AM PST, it's 3 PM (15:00) CET.(PST = UTC-8, and CET = UTC+1, so CET is nine hours ahead of PST.)
If it is 4PM CET, then it is 8AM PST.
PST = UTC - 8 hrs. CET = UTC + 1 hr. CET is 9 hrs. ahead of PST.
02:00 PST = 11:00 CET
7 am CET
9 hours (CET = UTC+1; PST = UTC-8)
Wed. at 1 AM CET = Tue. at 4 PM PST CET = Central European Time = UTC + 1 hour PST = Pacific Standard Time = Pitcairn Standard Time = UTC - 8 hours
4am1200 CET = 0300 PST = 0400 PDT