D-Link DGS-3000 Series Reference Manual page 305

The fields that can be configured are described below:
Parameter
Daylight Saving Time
State
Daylight Saving Time
Offset In Minutes
Time Zone Offset From
GMT In +/- HH:MM
Parameter
DST Repeating Settings
From: Which Week Of
The Month
From: Day Of Week
From: Month
From: Time In HH:MM
To: Which Week Of The
Month
To: Day Of Week
DGS-3000 Series Gigabit Ethernet Switch Web UI Reference Guide
Figure 9-32 Time Zone Settings window
Description
Use this drop-down menu to enable or disable the DST Settings.
Use this drop-down menu to specify the amount of time that will constitute your local
DST offset – 30, 60, 90, or 120 minutes.
Use these drop-down menus to specify your local time zone's offset from Greenwich
Mean Time (GMT.)
Description
Using repeating mode will enable DST seasonal time adjustment. Repeating mode
requires that the DST beginning and ending date be specified using a formula. For
example, specify to begin DST on Saturday during the second week of April and end
DST on Sunday during the last week of October.
Enter the week of the month that DST will start.
Enter the day of the week that DST will start on.
Enter the month DST will start on.
Enter the time of day that DST will start on.
Enter the week of the month the DST will end.
Enter the day of the week that DST will end.
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