UTCTime Type in NCL Programming

Date and time, as Universal Coordinated Time (year without century numbers), in the format:
12-1
Date and time, as Universal Coordinated Time (year without century numbers), in the format:
YYMMDDHHMM[SS]Z
GMT date and time (to minutes or seconds); Z indicates GMT time
YYMMDDHHMM[SS]sHHMM
Local date and time (to minutes or seconds); with signed zone offset from GMT time (s = + or -)
External Form - Input
Any valid input, as described.
External Form - Output
Any valid data, as described.
Local Form and Behavior
On input data is stored as supplied. If the component has a fixed length then a short input string will be padded with blanks. Truncation is not allowed.