Cisco SPA 501G Administration Manual page 250

Cisco SPA 500 Series and Wireless IP Phone Field Reference
Regional Tab
Cisco SPA 500 Series and WIP310 IP Phone Administration Guide
Parameter
Daylight Saving Time Rule
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).
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