
        The table below lists all the
        xs.dateTime built-in
        functions (in this namespace:
          xs.dateTime).
        
| Function name | Description | 
|---|---|
| xs.dateTime.add | Returns the end of a time period by adding an xs.yearMonthDuration to the xs.dateTime that starts the period. | 
| xs.dateTime.eq | Equality comparison on xs.dateTime values | 
| xs.dateTime.ge | Greater-than or equal comparison on xs.dateTime values | 
| xs.dateTime.gt | Greater-than comparison on xs.dateTime values | 
| xs.dateTime.le | Less-than or equal comparison on xs.dateTime values | 
| xs.dateTime.lt | Less-than comparison on xs.dateTime values. | 
| xs.dateTime.ne | Not equal comparison on xs.dateTime values | 
| xs.dateTime.subtract | Returns the difference between two xs.dateTimes as an xs.dayTimeDuration. |