Definition of before the hour
- Trains leave the station every hour at ten minutes before the hour.
: in advance : ahead
: at an earlier time
: forward of : in front of
: in the presence of
: under the jurisdiction or consideration of
: earlier than the time that
: sooner or quicker than
: so that … do not
: a time or office for daily liturgical devotion
: the 24th part of a day : 60 minutes
: the time of day reckoned in two 12-hour periods
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