I discovered something a bit surprising about WordPress related to timezones: WordPress explicitly sets and expects the default timezone to be UTC (in settings.php) and the date/time functions sometimes rely on the fact that the default timezone is UTC. For instance if you do date_default_timezone_set(get_option(‘timezone_string’)) and then later try to get a GMT timestamp from get_post_time() … Continue reading Do not change the default timezone from UTC in WordPress