Working with Dates, Times, and Time Zones
You can configure a field to display the date and time of a specific time zone, which the users can select within a form. For example, if your server is in Germany but your users are in Australia, the server date might be difficult to understand and use. You can create a DateTime business object field that corresponds to the time zone of the user and place it on a form. The users have the option to choose the server date and time or the local date and time.
The system identifies time zones as they appear in the IANA time zone database, which includes every time zone in the world. Most IANA time zones cite the continent and major city, such as Europe/Berlin or America/Los_Angeles.
Time zones make life easier for humans, where the clock corresponds to the cycle of day and night. In Service Manager, client-centered functions, such as scheduled jobs and business rules, use the local time zone.
Databases are better managed using UTC time because it is always the same everywhere in the world. Functions that run outside of a client session, such as workflows, the escalation engine, and the logging service, use the UTC time zone.
When you combine functions to act on a business object, depending on your local time zone, the resulting action may report or occur earlier or later than you expect. Fortunately, many features allow you to change the time zone. Where possible, use the expression editor to specify that all of your functions use the same time zone.
To view a list of time zones, do the following:
•Log in to the application and open the Timezones workspace.
The system displays the following information for each time zone:
•Timezone Id: The time zone ID in IANA standard format.
•Windows Timezone Id: The time zone ID in Microsoft Windows format.
•Is Enabled: Specifies if the time zone is enabled for use in Service Manager.
•Offset: The number of minutes that this time zone is offset from UTC. Positive numbers refer to points east of UTC. Negative numbers refer to points west of UTC.
•DST Offset: The number of minutes that this time zone is offset from UTC during daylight savings time. If this value equals the Offset value, the time zone does not observe DST.
•Abbr: The abbreviation of the Windows name of this time zone.
•DST Abbr: The abbreviation for this time zone during daylight savings time.
Double-click a time zone to see the specifics for a time zone, which includes the fields above plus these:
•Sort Order: The sort order. Specifies how this time zone is displayed in relation to the other time zones.
•Uses DST: Specifies if this time zone observes daylight savings time, Uses DST: true.
Microsoft Windows uses the customary names for time zones rather than IANA names. When you select a time zone in Windows, Service Manager automatically picks the associated IANA time zone.
1.On your Microsoft Windows application, click the date and time on the bottom right of your screen. The application displays the date and time settings.
2.Click Change date and time settings.... The Date and Time dialog box appears.
3.Click Change time zone.
4.Select a time zone from the drop-down list.
5.If you are in an area that observes daylight savings time, ensure that Automatically adjust clock for Daylight Saving Time is checked.
6.Click the Internet Time tab, and then click Change settings. Check the Synchronize with an Internet time server box, choose a time server, and then click OK.
7.Click OK, and click OK again.
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