GeneralizedTime Type in NCL Programming

Date and time, as GeneralizedTime (year includes century numbers), in the format:
12-1
Date and time, as GeneralizedTime (year includes century numbers), in the format:
YYYYMMDDHH[MM[SS]] [.f]Z
GMT date and time (to hours, minutes or seconds); with optional fractional time units to any significance (hours, minutes or seconds); Z indicates GMT time
YYYYMMDDHH[MM[SS]] [.f][sHHMM]
Local date and time (to hours, minutes or seconds); with optional fractional time units to any significance (hours, 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. Normal string padding and truncation rules apply.