Switzerland is included in the area of time zone division GMT +0100 which differs six hours later with WIB (Jakarta) time during winter time (which takes place at the end of October to the end of March). Switzerland does observe the Daylight Saving Time (DST) which in effect forwards the time one hour earlier. Switzerland is included in the area of time zone division GMT +0200 which differs five hours later with WIB (Jakarta) time during summer time following the common European instruction.