NAME
TimeLeftUntilTargetDatetime — Return time left from current datetime to target.
SYNOPSIS
TimeLeftUntilTargetDatetime TargetDatetime
DESCRIPTION
Return Value
Time left from current datetime to target.
Arguments
TargetDatetimeTarget datetime you want to measure the time left until.
More Info
Return value is in the form ddddThh:mm:ss, where dddd is the number of total days, hh is hours, mm is minutes, and ss is seconds. (See example.)

If the target datetime is already past then the returned value will be prefixed with a minus sign.


For information regarding exceptions / errors, see here.
EXAMPLES 
% Now
2000-01-01 00:00:00
% TimeLeftUntilTargetDatetime 2000-01-02 02:03:04
0001T02:03:04
% Now
2000-01-02 02:03:04
% TimeLeftUntilTargetDatetime 2000-01-01 00:00:00
-0001T02:03:04
SEE ALSO
Now, TimeBetweenDatetimes
KEYWORDS
arithmetic, datetime