Table of Contents:

00:00 - Introduction
01:02 - Setting absolute time ranges
01:49 - Setting relative and snap to time ranges
02:21 - Time expressions example 1
02:56 - Time expressions example 2
03:26 - Omitted periods in time ranges

For more information about time ranges, time expressions and operators, as well as additional examples, check the following link to the Devo documentation.
https://docs.devo.com/confluence/ndt/activeboards/setting-a-time-range-in-activeboards