Chapter 75 Summer Time Configuration; Introduction To Summer Time; Summer Time Configuration Task Sequence; Examples Of Summer Time - Planet XGS3-24042 User Manual

Chapter 75 Summer Time Configuration

75.1 Introduction to Summer Time

Summer time is also called daylight saving time, it is a time system for saving energy sources. In summer the
time is advanced 1 hour to keep early hours, reduce the lighting, so as to save electrolighting. The rule that
adopt summer time is different in each country. At present, almost 110 countries implement summer time.
Compare with the standard time, usually set summer time 1 hour late, for example, when summer time is
implementing, 10:00 am of the standard time is considered 11:00 am of summer time.

75.2 Summer Time Configuration Task Sequence

1. Configure absolute or recurrent time range of summer time
1. Configure absolute or recurrent time range of summer time
Global Mode
clock summer-time <word> absolute
<HH:MM> <YYYY.MM.DD> <HH:MM>
<YYYY.MM.DD> [<offset>]
no clock summer-time
clock summer-time <word> recurring
<HH:MM> <MM.DD> <HH:MM>
<MM.DD> [<offset>]
no clock summer-time
clock summer-time <word> recurring
<HH:MM> <week> <day> <month>
<HH:MM> <week> <day> <month>
[<offset>]
no clock summer-time

75.3 Examples of Summer Time

Example1:
The configuration requirement in the following: The summer time from 23:00 on April 1th, 2012 to 00:00 on
October 1th, 2012, clock offset as 1 hour, and summer time is named as 2012.
Command Explanation
Set absolute time range of summer time,
start and end summer time is configured
with specified year.
Set recurrent time range of summer time,
every year the summer time begins from the
start time and end at the end time.
Set recurrent time range of summer time,
every year the summer time begins from the
start time and end at the end time.
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