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This can be helpful :
Timezones By David Mytton on http://www.olate.com/
If you wanted to find out the data and time in Finland while your servers are in
Texas, then you can write your own functions using three functions already
available - mktime(), gmdate() and getdate().
We need to find out what the current GMT is, this is the standard to which all
timezones are compared. To do this, you use the gmdate() function which takes
exactly the same arguments as date(). You then increment the hour by the GMT
offset, which is passed to the function. The mktime() function automatically
compensates for any change in hour that also affects a change in ay/month/year.
The getdate() function is then used (which can optionally be passed a UNIX
timestamp created by the mktime function). This function will then return an array
with the following within it:
seconds
minutes
mday (day of the month)
wday (day of the week, numeric)
year
yday (day of the year, numeric)
weekday (text)
month (textual)
The following code will do this:
<?php
function worldtime($offset)
{
$day = gmdate("d");
$day = gmdate("m");
$day = gmdate("g");
$day = gmdate("y");
$day = gmdate("i");
$day = gmdate("s");
$day = gmdate("H") + $offset;
$tm_ar = getdate (mktime ( $hour,
$minutes,
$seconds,
$month,
$day,
$year));
return ($tm_ar);
}
$currdate = worldtime($offset);
?>
You then call this function passing it the GMT offset value, for our example
(Finland), it is 2:
<?php
$finland_date = worldtime(2);
?>
And that is it!
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