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This header is used by System Services. For more information, see:
timezoneapi.h contains the following programming interfaces:
Functions
| EnumDynamicTimeZoneInformation Enumerates DYNAMIC_TIME_ZONE_INFORMATION entries stored in the registry. |
| FileTimeToSystemTime Converts a file time to system time format. System time is based on Coordinated Universal Time (UTC). |
| GetDynamicTimeZoneInformation Retrieves the current time zone and dynamic daylight saving time settings. These settings control the translations between Coordinated Universal Time (UTC) and local time. |
| GetDynamicTimeZoneInformationEffectiveYears Gets a range, expressed in years, for which a DYNAMIC_TIME_ZONE_INFORMATION has valid entries. |
| GetTimeZoneInformation Retrieves the current time zone settings. These settings control the translations between Coordinated Universal Time (UTC) and local time. |
| GetTimeZoneInformationForYear Retrieves the time zone settings for the specified year and time zone. These settings control the translations between Coordinated Universal Time (UTC) and local time. |
| SetDynamicTimeZoneInformation Sets the current time zone and dynamic daylight saving time settings. These settings control translations from Coordinated Universal Time (UTC) to local time. |
| SetTimeZoneInformation Sets the current time zone settings. These settings control translations from Coordinated Universal Time (UTC) to local time. |
| SystemTimeToFileTime Converts a system time to file time format. System time is based on Coordinated Universal Time (UTC). |
| SystemTimeToTzSpecificLocalTime Converts a time in Coordinated Universal Time (UTC) to a specified time zone's corresponding local time. |
| SystemTimeToTzSpecificLocalTimeEx Converts a time in Coordinated Universal Time (UTC) with dynamic daylight saving time settings to a specified time zone's corresponding local time. |
| TzSpecificLocalTimeToSystemTime Converts a local time to a time in Coordinated Universal Time (UTC). |
| TzSpecificLocalTimeToSystemTimeEx Converts a local time to a time with dynamic daylight saving time settings to Coordinated Universal Time (UTC). |
Structures
| DYNAMIC_TIME_ZONE_INFORMATION Specifies settings for a time zone and dynamic daylight saving time. |
| TIME_ZONE_INFORMATION Specifies settings for a time zone. |