Multitimezone website

Because of potential differences in timezone settings between server and database, I find it's best to set the timezone in the application to UTC for these types of websites. That's what most databases default to, I believe. Then store a timezone / offset for each user, and a system wide default timezone (in case the user's haven't specified a timezone). Then you can use PHP's DateTime and DateTimeZone to display the correct time, adjusted for the user's timezone. Something like:

Code:

$date = new DateTime($originalDate, new DateTimeZone($userTimezone));
echo $date->format('...');

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