unearthly hour/time

:  not earthly: such as

:  not mundane :  ideal

:  not terrestrial

:  a time or office for daily liturgical devotion

:  canonical hour

:  the 24th part of a day :  60 minutes

:  the measured or measurable period during which an action, process, or condition exists or continues :  duration

:  a nonspatial continuum that is measured in terms of events which succeed one another from past through present to future

:  leisure

:  to arrange or set the time of :  schedule

:  to regulate (a watch) to keep correct time

:  to set the tempo, speed, or duration of

:  of or relating to time

:  recording time

:  timed to ignite or explode at a specific moment