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Retrieves the current time zone and dynamic daylight saving time settings. These settings control the translations between Coordinated Universal Time (UTC) and local time.
DWORD GetDynamicTimeZoneInformation(
[out] PDYNAMIC_TIME_ZONE_INFORMATION pTimeZoneInformation
);
[out] pTimeZoneInformation
A pointer to a DYNAMIC_TIME_ZONE_INFORMATION structure.
If the function succeeds, it returns one of the following values.
| Return code/value | Description |
|---|---|
|
Daylight saving time is not used in the current time zone, because there are no transition dates. |
|
The system is operating in the range covered by the StandardDate member of the DYNAMIC_TIME_ZONE_INFORMATION structure. |
|
The system is operating in the range covered by the DaylightDate member of the DYNAMIC_TIME_ZONE_INFORMATION structure. |
If the function fails, it returns TIME_ZONE_ID_INVALID. To get extended error information, call GetLastError.
The StandardName and DaylightName members of the resultant DYNAMIC_TIME_ZONE_INFORMATION structure are localized according to the current user default UI language.
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps | UWP apps] |
| Minimum supported server | Windows Server 2008 [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | timezoneapi.h (include Windows.h) |
| Library | Kernel32.lib |
| DLL | Kernel32.dll |