since that time

:  from a definite past time until now

:  before the present time :  ago

:  after a time in the past :  subsequently

:  at a time in the past after or later than :  from the time in the past when

:  when

:  in view of the fact that :  because

:  in the period after a specified time in the past :  from a specified time in the past

:  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