Allied Telesis AT-S94 - Manual (Page 37)

Configuring System Time
Page 37
• Time Set Offset — Used for non-USA and European countries to set the amount of time for DST
(in minutes). The default time is 60 minutes. The range is 1-1440 minutes.
• From — Indicates the time that DST begins in countries other than the USA and Europe, in the format Day/
Month/Year in one field and HH:MM in another. For example, if DST begins on October 25, 2007 at 5:00 am,
the two fields should be set to 25/Oct./07 and 05:00. The possible field values are:
– Date — The date on which DST begins. The possible field range is 1-31.
– Month — The month of the year in which DST begins. The possible field range is Jan.-Dec.
– Year — The year in which the configured DST begins.
– Time — The time at which DST begins. The field format is HH:MM. For example: 05:30.
• To — Indicates the time that DST ends in countries other than the USA and Europe, in the format Day/Month/
Year in one field and HH:MM in another. For example, if DST ends on March 23, 2008 at midnight, the two
fields should be 23/Mar/08 and 00:00. The possible field values are:
– Date — The date on which DST ends. The possible field range is 1-31.
– Month — The month of the year in which DST ends. The possible field range is Jan-Dec.
– Year— The year in which the configured DST ends.
– Time — The time at which DST starts. The field format is HH:MM. For example: 05:30.
• Recurring — Enables user-defined DST for countries in which DST is constant from year to year, other than
the USA and Europe.
• From — The time that DST begins each year. In the example, DST begins locally every first Sunday in April
at midnight. The possible field values are:
– Day — The day of the week from which DST begins every year. The possible field range is Sunday-
Saturday.
– Week — The week within the month from which DST begins every year. The possible field range is 1-5.
– Month — The month of the year in which DST begins every year. The possible field range is Jan.-Dec.
– Time — The time at which DST begins every year. The field format is Hour:Minute. For example: 02:10.
• To — The time that DST ends each year. In the example, DST ends locally every first Sunday in October at
midnight. The possible field values are:
– Day — The day of the week at which DST ends every year. The possible field range is Sunday-Saturday.
– Week — The week within the month at which DST ends every year. The possible field range is 1-5.
– Month — The month of the year in which DST ends every year. The possible field range is Jan.-Dec.
– Time — The time at which DST ends every year. The field format is HH:MM. For example: 05:30.
2. To configure the device to automatically switch to DST, select Daylight Savings and select either USA,
European, or Other. If you select Other, you must define its From and To fields. To configure DST parameters
that recur every year, select Recurring and define its From and To fields.
3. Click Apply. The DST settings are saved, and the device is updated.
4. Click Save Config on the menu to save the changes permanently.
Daylight Savings Time by Country
The following is a list of Daylight Savings Time start and end dates by country:
• Albania — From the last weekend of March until the last weekend of October.
• Australia — From the end of October until the end of March.
• Australia - Tasmania — From the beginning of October until the end of March.
• Armenia — From the last weekend of March until the last weekend of October.
• Austria — From the last weekend of March until the last weekend of October.