Accedian EtherNID EE, Administrator'S Manual

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3: Management & Configuration
Timezone and Daylight saving
For a list of time zones and daylight saving time rules, please refer to: http://www.worldtimezone.com/.
UTC offset
Offset from Coordinated Universal Time. North America would have negative values while Eastern Europe would have
positive values.
Daylight saving enable
For regions of the world implementing Daylight saving time, this can be enabled.
Beware that syslog and other services that timestamp events using the current date and time will be affected during
transitions of DST periods. There will possibly be an hour gap or duplicate time stamps because the clock was set back.
Daylight saving offset
Time correction to apply to GMT offset during the Daylight saving period. Most of the time it will be one hour.
DST start and DST end
Period where daylight saving time is in effect.
The events are described as:
"the change will take place on the n'th (week) of (month) on a (day) at (hour) (min)"
To describe the last day of the month, use week=5
Examples:
Montreal, Quebec, Canada time:
UTC offset=-5, DST enable=check, DST offset=1
DST start: Month=March, Week=2, Day=Sunday, Hour=2, Min=0
DST end: Month=November, Week=1, Day=Sunday, Hour=2, Min=0
Wellington, New Zealand
UTC offset=12, DST enable=check, DST offset=1,
DST start: Month=September, Week=5, Day=Sunday, Hour=2, Min=0
DST end: Month=April, Week=1, Day=Sunday, Hour=3, Min=0