Brocade Communications Systems Brocate Ethernet Access Switch 6910 - Manual (Page 715)

Brocade 6910 Ethernet Access Switch Configuration Guide 665
53-1002581-01
Setting the System Clock
32
Configuring Summer Time
Use the System > Time (Configure Summer Time) menu to configures summer time (that is,
Daylight Savings Time) for the switch’s internal clock.
CLI References
• "clock summer-time (date)" on page 96
• "clock summer-time (predefined)" on page 98
• "clock summer-time (recurring)" on page 99
Usage Guidelines
• In some countries or regions, clocks are adjusted through the summer months so that
afternoons have more daylight and mornings have less. This is known as Summer Time, or
Daylight Savings Time (DST). Typically, clocks are adjusted forward one hour at the start of
spring and then adjusted backward in autumn.
• This configuration page sets the summer-time time zone relative to the currently configured
time zone. To specify a time corresponding to your local time when summer time is in effect,
you must indicate the number of minutes your summer-time time zone deviates from your
regular time zone (that is, the offset).
Parameters
The following parameters are displayed:
• Summer Time in Effect – Indicates whether or not Summer Time settings are currently is use.
• Status – Enables or disables Summer Time settings.
• Name – Name of the timezone while Summer Time is in effect, usually an acronym.
(Range: 1-30 characters)
• Mode – Sets the configuration option to one of the following modes:
• Date – Sets the start, end, and offset times of summer time on a one-time basis.
• Offset – Summer time offset from the regular time zone. (Range: 0-99 minutes;
Default: 60 minutes)
• From – The date and time at which to start using Summer Time settings.
• To – The date and time at which to stop using Summer Time settings.
• Predefined – Sets the start and end of summer time using predefined configurations for
several major regions of the world as indicated in the following table.
TABLE 152 Predefined Summer-Time Parameters
Region Start Time, Day, Week, & Month End Time, Day, Week, & Month Rel. Offset
Australia 00:00:00, Sunday, Week 5 of October 23:59:59, Sunday, Week 5 of March 60 min
Europe 00:00:00, Sunday, Week 5 of March 23:59:59, Sunday, Week 5 of October 60 min
New Zealand 00:00:00, Sunday, Week 1 of October 23:59:59, Sunday, Week 3 of March 60 min
Australia 00:00:00, Sunday, Week 5 of October 23:59:59, Sunday, Week 5 of March 60 min