Outputs true if all times-of-day are within a certain distance of each other.
Ignores the date components of the Date-Times; only the time components are considered.
If there are no times, outputs true.
Tolerance Unit together specify the maximum amount by which any two times-of-day can differ to still be considered equal. For example,
Hours means all times-of-day must be within 2 hours of each other to be considered equal.
Times are considered equal within tolerance if they span midnight. For example, 23:00 and 01:00 are equal within a tolerance of 3 hours.