If you are not using a Sysplex Timer, you must define timer offsets for each system on this panel.
If you use a Sysplex Timer, a question asks if you want to define the GMT offsets in the Sysplex Timer. If you answer No, you can use the panel to define the direction, hours, and minutes for the offset. If you answer Yes, the rest of the panel is disabled.
The panel allows you to define the TOD clock, set to Greenwich Mean Time (GMT) plus or minus an offset in hours and minutes.
From the drop down lists, select the direction (east or west), hours, and minutes of this offset to adjust for local time. For example, if your local time is 8 hours earlier than GMT, you set a direction of W for west, 08 for hours and 00 for minutes.
To set the offset:
You can find more detailed help on the following elements of this window: