GLib.TimeZone.prototype.get_offset

function get_offset(interval: Number(gint)): Number(gint32) {
    // Gjs wrapper for g_time_zone_get_offset()
}
  

Determines the offset to UTC in effect during a particular interval of time in the time zone tz.

The offset is the number of seconds that you add to UTC time to arrive at local time for tz (ie: negative numbers for time zones west of GMT, positive numbers for east).

Since 2.26