The TIME function returns a time from a value. The argument must be a time, timestamp, or a valid string representation of a time or timestamp that is not a CLOB or LONG VARCHAR. The result of the function is a time. If the argument can be null, the result can be null; if the argument is null, the result is the null value.
TIME ( expression )
values time(current_timestamp)
If the current time is 5:03 PM, the value returned is 17:03:00.