DATE

Calendar date value.

Size

32 bits (day resolution)

Default

D#1970-01-01

Range

D#1970-01-01 to D#2106-02-07

IEC 61131-3

Section 2.3.1

Support

Supported

A date is stored as a count of seconds since 1970-01-01, so a literal outside D#1970-01-01 to D#2106-02-07 is reported as P2038.

Literals

D#2024-01-15
DATE#2024-12-31

Example

today := D#2024-06-15;
launch := D#2024-01-01;
is_after := today > launch;  (* is_after = TRUE *)

See Also