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System>Time
The SonicWALL uses the time and date settings to time stamp log events, to automatically update
SonicWALL Security Services, and for other internal purposes. By default, the SonicWALL uses an
internal list of public NTP servers to automatically update the time. Network Time Protocol (NTP) is a
protocol used to synchronize computer clock times in a network of computers. NTP uses Coordinated
Universal Time (UTC) to synchronize computer clock times to a millisecond, and sometimes to a fraction
of a millisecond.
System Time
To select your time zone and automatically update the time, choose the time zone from the Time Zone
menu. The Use NTP to set time automatically is activated by default to use the NTP (Network Time
Protocol) to set time automatically. If you want to set your time manually, uncheck this setting. Select the
time in the 24-hour format using the Time (hh:mm:ss) menus and the date from the Date menus.
Automatically adjust clock for daylight saving changes is activated by default to enable automatic
adjustments for daylight savings time.
Selecting Display UTC in logs (instead of local time) specifies the use universal time (UTC) rather than
local time for log events.
Selecting Display time in International format displays the date in International format, with the day
preceding the month.
After selecting your System Time settings, click Apply.
Page 42 SonicWALL SonicOS Standard Administrator's Guide
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