Cisco Ip Phone 8800 Series Multiplatform Phones Administration Guide - Cisco 8851 Administration Manual

Parameter
Daylight Saving Time Rule
Daylight Saving Time Rule
(continued)
Daylight Saving Time Enable
Description
Enter the rule for calculating daylight saving time; it should include the
start, end, and save values. This rule is comprised of three fields. Each
field is separated by ; (a semicolon) as shown below. Optional values
inside [ ] (the brackets) are assumed to be 0 if they are not specified.
Midnight is represented by 0:0:0 of the given date.
This is the format of the rule: Start = <start-time>; end=<end-time>;
save = <save-time>.
The <start-time> and <end-time> values specify the start and end dates
and times of daylight saving time. Each value is in this format: <month>
/<day> / <weekday>[/HH:[mm[:ss]]]
The <save-time> value is the number of hours, minutes, and/or seconds
to add to the current time during daylight saving time. The <save-time>
value can be preceded by a negative (-) sign if subtraction is desired
instead of addition. The <save-time> value is in this format:
[/[+|-]HH:[mm[:ss]]]
The <month> value equals any value in the range 1-12
(January-December).
The <day> value equals [+|-] any value in the range 1-31.
If <day> is 1, it means the <weekday> on or before the end of the month
(in other words the last occurrence of < weekday> in that month).
The <weekday> value equals any value in the range 1-7
(Monday-Sunday). It can also equal 0. If the <weekday> value is 0, this
means that the date to start or end daylight saving is exactly the date
given. In that case, the <day> value must not be negative. If the
<weekday> value is not 0 and the <day> value is positive, then daylight
saving starts or ends on the <weekday> value on or after the date given.
If the <weekday> value is not 0 and the <day> value is negative, then
daylight saving starts or ends on the <weekday> value on or before the
date given. Where:
• HH stands for hours (0-23).
• mm stands for minutes (0-59).
• ss stands for seconds (0-59).
Default: 3/-1/7/2;end=10/-1/7/2;save=1.
Enables Daylight Saving Time.
Default: Yes

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