- time-period-precedes? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-meets? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-overlaps? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-finished-by? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-contains? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-starts? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-equals? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-started-by? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-during? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-finishes? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-overlapped-by? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-met-by? TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-preceded-by? TIME-PERIOD-1 TIME-PERIOD-2procedure
Returns the relationship per Allen's Interval Algebra.