CyberData 011049 Operation Manual page 35

2.3.5.1 Time Zone Strings
The posix time zone string tells the internal date and time utilities how to handle daylight savings
time for different time zones.
Time Zone
US Pacific time
US Mountain time
US Eastern Time
Phoenix Arizona
US Central Time
Table 2-9
●
Time Zone String
Part
CST6CDT
CST
6
CDT
M3.2.0/2:00:00
M3
.2
.0
/2:00:00
M11.1.0/2:00:00
M11
.1
.0
/2:00:00
Operations Guide
Table 2-8
Table 2-8. Common Time Zone Strings
a
a.Phoenix, Arizona does not use daylight savings time.
shows a breakdown of the parts that constitute the following time zone string:
CST6DST,M3.2.0/2:00:00,M11.1.0/2:00:00
Meaning
The time zone offset from GMT and three character identifiers for the time zone.
Central Standard Time
The (hour) offset from GMT/UTC
Central Daylight Time
The date and time when daylight savings begins.
The third month (March)
The 2nd occurrence of the day (next item) in the month
Sunday
Time of day to change
The date and time when daylight savings ends.
The eleventh month (November)
The 1st occurrence of the day (next item) in the month
Sunday
Time of day to change
shows some common strings.
Time Zone String
PST8PDT,M3.2.0/2:00:00,M11.1.0/2:00:00
MST7MDT,M3.2.0/2:00:00,M11.1.0/2:00:00
EST5EDT,M3.2.0/2:00:00,M11.1.0/2:00:00
MST7
CST6DST,M3.2.0/2:00:00,M11.1.0/2:00:00
Table 2-9. Time Zone String Parts
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