CyberData 011405 Operation Manual page 44

2.3.5.1 Time Zone Strings
Operations Guide
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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
a
Phoenix Arizona
US Central Time
a.Phoenix, Arizona does not use daylight savings time.
Table 2-25 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
Time Zone String Meaning
Part
CST6CDT The time zone offset from GMT and three character identifiers for the time zone.
CST Central Standard Time
6 The (hour) offset from GMT/UTC
CDT Central Daylight Time
M3.2.0/2:00:00 The date and time when daylight savings begins.
M3 The third month (March)
.2 The 2nd occurrence of the day (next item) in the month
.0 Sunday
/2:00:00 Time of day to change
M11.1.0/2:00:00 The date and time when daylight savings ends.
M11 The eleventh month (November)
.1 The 1st occurrence of the day (next item) in the month
.0 Sunday
/2:00:00 Time of day to change
Table 2-24 shows some common strings.
Table 2-12. Common Time Zone Strings
Table 2-13. Time Zone String Parts
931236C
SIP Loudspeaker Amplifier (PoE) Setup
Configure the Device
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
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