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<?php /** * @link http://stackoverflow.com/questions/26453510/datetimezone-and-utc-offset-for-standard-and-daylight-times */ /** * @param $seconds * * @return string +\d\d\d\d / -\d\d\d\d */ function format_offset($seconds) { $minutes = (int) ($seconds / 60); $hours = (int) ($minutes / 60); $leftover = abs($minutes - $hours * 60); return sprintf("%+03d%02d", $hours, $leftover); } $zones = array('EDT', 'EST'); foreach ($zones as $zone) { // get offset $timezone = new DateTimeZone($zone); $offset = $timezone->getOffset(new DateTime(null, $timezone)); printf("%s (%s) %s\n", $zone, $timezone->getName(), format_offset($offset)); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EDT (EDT) -0400 Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/XuhI6 on line 23 EST (EST) -0500

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