As it has been commented, using UTC is the way of dealing with timezone problems.

If you cannot use UTC for any reason, or dailight savings differences between summer / winter makes it harder, you can always use NTP (network time protocol) to sync either one of your servers with the other, so for example your LA server works with Brazil local time.
Update: Of course, you can only change system wide settings such as date in a server of your own, that is, a dedicated server in a hosting plan.

There is a Net::NTP module which lets you handle ntp responses from your server.

In reply to Re: Timezone antidote by fauria
in thread Timezone antidote by Andre_br

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