The Date and Time category is about manipulating and
presenting dates, in particular:
- Date Information, which is about
information about dates (eg IsLeap), representing dates (eg
DYear), simple date identities
(eg DaysInMonth), and
week numbers (eg WeekNumberToDate).
- Date Difference, which is about
determining the time difference between two dates,
either in a basic way with functions like DiffY and DiffM, or a more detailed way
(using daycount) with functions like DiffYX and
DiffMX.
- Date Increment, which is about
finding the next or previous date, with reference to
another date and a time difference or annual date
sequence (see "Annual
Date Sequences").
- Time Period, which is about
determining the length of a time period (in
Business Functions time periods are specified by two
variables Time and Base). The functions in this family
are similar to those in the Date Difference
family.
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