Introduction

Provides an overview of dates and date functions in IBM ILOG Script.

Date values provide a way of manipulating dates and times. Dates can be best understood as internally represented by a number of milliseconds since 00:00:00 UTC, January 1, 1970. This number can be negative, to express a date before 1970.

Note:

  1. For C/C++ programmers: Unlike dates manipulated by the standard C library, date values are not limited to the range of 1970 to 2038, but span approximately 285,616 years before and after 1970.

  2. IBM ILOG Script measures time in wall-clock time (and not system time).

When converted to a number, a date yields the number of milliseconds since 00:00:00 UTC, January 1, 1970.