At least in Finland we have timestamp bug _one week_ after changin daylight time.
_All years_ 6.4 (this day) klo 2:00 this change clock back to 1:00 like this
[01:59] <Fiiu> Heiju, mitä? maksatko jos mä...? =D
[01:00] *** Fortune has quit IRC
And this bug lasts one day. next night this bug is gone and come back next year
I say weird. BUT same bug is for everybody users in Finland (thousands... whole IRC system is come from finland