7.7.8.2 Functions that Produce Times
These functions take numeric arguments and return numeric values that represent times.
Function: __TIME.DAYS ( ndays)
Returns a time corresponding to ndays days.
Function: __TIME.HMS ( nhours, nmins, nsecs)
Returns a time corresponding to nhours hours, nmins minutes, and nsecs seconds. The arguments may not have mixed signs: if any of them are positive, then none may be negative, and vice versa.