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NtQuerySystemTime function

[NtQuerySystemTime may be altered or unavailable in future versions of Windows. Applications should use the GetSystemTimeAsFileTime function.]

Applies to: desktop apps only

Retrieves the current system time.

Syntax

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NTSTATUS WINAPI NtQuerySystemTime(
  __out  PLARGE_INTEGER SystemTime
);

Parameters

SystemTime [out]: A pointer to a LARGE_INTEGER structure that receives the system time. This is a 64-bit value representing the number of 100-nanosecond intervals since January 1, 1601 (UTC).

Return value

If the function succeeds, it returns STATUS_SUCCESS. If it fails, it will return the appropriate status code, which will typically be STATUS_ACCESS_VIOLATION.

Remarks

This function has no associated import library. You must use the LoadLibrary and GetProcAddress functions to dynamically link to Ntdll.dll.

Requirements