D-Link DCS-5222L User Manual page 26

Section 4 - Configuration
Create a unique name for your camera. Click Next to continue.
Select the time zone that the camera is in so that scheduled events
occur at the correct time. If your time zone observes daylight saving,
check the Enable Daylight Saving box and select Auto Daylight
Saving to have DST set automatically or select Set date and time
manually to enable drop-down menus so that you can set the start
and end time of daylight saving yourself.
Click Next to continue.
D-Link DCS-5222L User Manual 20