41-001343-01 Rev 02, Release 3.2.2 5-21Time Zone & DSTThere are two ways you can set the time zone on the IP Phones.First Method - You can set a time zone using the Time Zone option in the IP Phone UI or you canuse the “time zone name” parameter in the configuration files. Both methods allow you to enter avalue from the Time Zone table. The list of time zone names is provided in the table in AppendixA, the section, “Time Zone Name/Time Zone Code Table” on page A-51. The following is anexample:time zone name: US-EasternSecond Method - You can use the Time Zone option in the IP Phone UI or your can use the “timezone name” parameter in the configuration files, and specify a value of “Custom” for thisparameter (must use initial caps). The “Custom” option allows you to customize the time zone foryour area using additional configuration parameters. The following is an example using relativetime for EST:time zone name: CustomThe following table identifies the additional time zone and DST parameters you can enter in theconfiguration files..Custom ConfigurationFile Parameter Description Exampletime zone minutes The number of minutes the time zone is offsetfrom UTC (Coordinated Universal Time). Thiscan be positive (West of the Prime Meridian) ornegative (East of the Prime Meridian). Thedefault is Eastern Standard Time (EST) with avalue of 300 (GMT minus 5 hours).time zone minutes: 300Note: For additional values for thisparameter, see “Custom Time Zoneand DST Settings” on page A-57.dst minutes The number of minutes to add during DaylightSaving Time. Valid values are a positive integerbetween 0 to 60.dst minutes: 60dst [start|end] relative date Specifies how to interpret the start and end day,month, and week parameters - absolute (0) orrelative (1).dst [start|end] relative date: 1Absolute Time (not applicable to Eastern Standard Time (EST))dst start month The month that DST starts. Valid values are 1 to12 (January to December).dst start month: 3dst end month The month that DST ends. Valid values are 1 to12 (January to December).dst end month: 4dst [start |end] week Not applicable to absolute time. N/Adst start day The day of the month that DST starts. Validvalues are 1 to 31.dst start day: 15
