Michel,

To add further to the mess. . .

We (at least in Quebec (where I used to live) and Ontario (where I now live) also refer to it as "daylight savings time", at least when we are talking.
Possible, more formally (when accuracy might matter), the EDT is used, but hardly.

Cheers,
Jim N

>To all who addressed this thread,
>
>Yes there is this custom in England too; in pretty much most of Europe
>actually, Australia, New Zealand, North America, and Japan.
>
>In England it is called "Daylight Saving Time", ie. the "DST" that you
>see as an option when you install Novell Netware or Windows NT server.
>
>Thanks for the clarifications. Unlike Mike I knew about CST, EST, and all the
>others, but did not know about the CDT, EDT, etc....
>
>Michel Creppy.
>
>============= Your original message follows =================
>>>All,
> >>
> >>Can someone tell me what time 10:00 EDT is or what EDT stands for. I live in England so there
> will be an obvious difference.
> >
> >I might add to what Tom says, in case you're unfamiliar. We have an anachronistic custom in
> most of the states of setting the clocks back or forward 1 hour twice a year. In spring we set clocks
> ahead to make a later daylight in the evening, that's what the 'D' in EDT is all about...
>
> We might add that Eastern Standard Time is 5 hours behind GMT, so EDT would be 4 hours
> behind GMT. Am I right in thinking that the English also set their clocks ahead in Spring? If so,
> we're 5 hours behind you always, except maybe around the time when the clocks are moved, since
> you might pick a different weekend.