noun
1. : the time of a region or country that is established by law or general usage as civil time : the mean solar time of a meridian that is a multiple of 15 arbitrarily applied to a local area or to one of the 24 time zones and designated as a number of hours earlier or later than Greenwich time
2. : the amount of time required for a repeated operation by an experienced worker of average skill working at normal pace and with due allowance for relaxation and interruptions