Table of Contents

Time shift summer/winter time

Function name

GETDSTOFFSET

ST call

PROGRAM GETDSTOFFSET_DEMO
  VAR
     TIME_OUT: TIME;
 END_VAR
 TIME_OUT:=GETDSTOFFSET(T:=GETLOCALTIME());
END_PROGRAM

Description

The block returns the time difference between standard zone time and zone daylight saving time. The output is 0 h at winter time, and 1 h at summer time for central Europe. The change takes place at midnight.

Inputs

InputTypeDescription
T DT Input date and time

Outputs

OutputTypeDescription
⇒ TIMEOutput value

Application example