Solution
1.

Set the <Mode Dial> to a setting other than <Movie> (

),

and press the <Power> button.
2. Press the <MENU> (

) button.
3. A screen like the one below will appear on the monitor.

Select [Rec.] (

) Menu.

Set [Date Stamp] to [Date] or [Date & Time].

Press the <MENU> (

) button.
4. If you set [Date Stamp], [DATE] will appear on the LCD monitor.
If [DATE] does not appear, press the <DISP.> (

) button a few times to switch the screen display.
5. When shooting with this setting, the date will be embedded in the image as shown below.

[Date]

[Date & Time]
WARNING
The date, its font and color, and the position where it is displayed cannot be changed. Also, dates and times recorded with [Date Stamp] cannot be deleted.