G-Shock GW-1800DJ-1A9 - Manual (Page 31)

E-30
• Note that you cannot use the World Time Mode to change the DST setting of the
Home City code you currently have selected in the Timekeeping Mode. See page
E-44 for information about turning the Home City code DST setting on and off.
• The DST indicator will appear on the display whenever you display a city code for
which Daylight Saving Time is turned on.
• Note that the DST/Standard Time setting affects only the currently displayed city
code. Other city codes are not affected.