ZyXEL Communications ZyWall ATP series User Manual page 693

Table 301 Configuration > System > Date and Time (continued)
LABEL DESCRIPTION
New Date (yyyy- This field displays the last updated date from the time server or the last date configured
mm-dd) manually.
When you set Time and Date Setup to Manual, enter the new date in this field and then click
Apply.
Get from Time Select this radio button to have the Zyxel Device get the time and date from the time server
Server you specify below. The Zyxel Device requests time and date settings from the time server
under the following circumstances.
• When the Zyxel Device starts up.
• When you click Apply or Synchronize Now in this screen.
• 24-hour intervals after starting up.
Time Server Address Enter the IP address or URL of your time server. Check with your ISP/network administrator if
you are unsure of this information.
Sync. Now Click this button to have the Zyxel Device get the time and date from a time server (see the
Time Server Address field). This also saves your changes (except the daylight saving
settings).
Time Zone Setup
Time Zone Choose the time zone of your location. This will set the time difference between your time
zone and Greenwich Mean Time (GMT).
Automatically Sync Select this for the Zyxel Device to automatically get its time zone.
Time Zone
Daylight Saving
Enable Daylight Daylight savings is a period from late spring to early fall when many countries set their clocks
Savings ahead of normal local time by one hour to give more daytime light in the evening.
Select this option if you use Daylight Saving Time.
Automatically Select this for the Zyxel Device to automatically adjust the time if daylight savings is
adjust clock for implemented in its time zone.
Daylight Saving
Time
Start Date Configure the day and time when Daylight Saving Time starts if you selected Enable Daylight
Saving. The at field uses the 24 hour format. Here are a couple of examples:
Daylight Saving Time starts in most parts of the United States on the second Sunday of
March. Each time zone in the United States starts using Daylight Saving Time at 2 A.M. local
time. So in the United States you would select Second, Sunday, March and type 2 in the at
field.
Daylight Saving Time starts in the European Union on the last Sunday of March. All of the time
zones in the European Union start using Daylight Saving Time at the same moment (1 A.M.
GMT or UTC). So in the European Union you would select Last, Sunday, March. The time you
type in the at field depends on your time zone. In Germany for instance, you would type 2
because Germany's time zone is one hour ahead of GMT or UTC (GMT+1).
End Date Configure the day and time when Daylight Saving Time ends if you selected Enable Daylight
Saving. The at field uses the 24 hour format. Here are a couple of examples:
Daylight Saving Time ends in the United States on the first Sunday of November. Each time
zone in the United States stops using Daylight Saving Time at 2 A.M. local time. So in the
United States you would select First, Sunday, November and type 2 in the at field.
Daylight Saving Time ends in the European Union on the last Sunday of October. All of the
time zones in the European Union stop using Daylight Saving Time at the same moment (1
A.M. GMT or UTC). So in the European Union you would select Last, Sunday, October. The
time you type in the at field depends on your time zone. In Germany for instance, you would
type 2 because Germany's time zone is one hour ahead of GMT or UTC (GMT+1).
Chapter 37 System
ZyWALL ATP Series User's Guide
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