before ( duration -- -duration )
Calendar > Relative timestamps

Prev:ago ( duration -- timestamp )
Next:sunday ( timestamp -- new-timestamp )


Vocabulary
calendar

Inputs and outputs
durationa duration
-durationa duration


Word description
Negates a duration.

Examples
USING: accessors calendar prettyprint ; 3 hours before now noon time+ hour>> .
9


Definition

: before ( duration -- -duration ) -1 time* ;