Involving a full amount of time spent on some activity, especially a job.

Spending a full amount of time.

The Christmas season / Yuletide / Christmastide

(of a circuit breaker) The time between the trip circuit energization and power arc interruption.

plural of time out

The correlation of longevity with validity of an idea or trend.

Happening at an opportune or advantageous time. / Keeping accurate time.

(computing) The duration required by a computer system to complete a particular task.

Alternative letter-case form of Zulu time

(computer science) the amount of time an algorithm requires to run, as a function of the amount of input, measured in such a way as to ignore constant terms and multiplication by constant terms