This isn't exactly my idea, they have it on the Dark Slayers forums. But it's still a good idea

What it is, is a clock that's set to "SeeD Time', which could be the same as GMT, or any other timezone. But we just call it SeeD time

So you say: "The event will be at 2pm SeeD Time", then the members can look at the 'SeeD Clock' (which is positioned at the top or bottom of the forums) then they can figure out what time it will be easily.
Even though most of you will get it, I'll explain.

You can look at the 'SeeD Clock', then look at your own clock to calculate the time difference. Then add or subtract that time difference to/from the SeeD time of the event. Easy.

What do you think?