* Returns current timezone in Universal time format into the `timezone'
* buffer of size of `timezone_size'. The possible values this function
* returns are: Z (For UTC timezone), +hh (UTC + hours) -hh (UTC - hours),
- * +hh:mm (UTC + hours:minutes) or -hh:mm (UTC - hours:minutes).
+ * +hh:mm (UTC + hours:minutes) or -hh:mm (UTC - hours:minutes). The
+ * returned values are always offsets to UTC.
*
* Returns FALSE on error, TRUE otherwise.
*