SYSTEMTIME Structure
The SYSTEMTIME structure represents a date and time using individual members for the month, day, year, weekday, hour, minute, second, and millisecond.
typedef struct _SYSTEMTIME {
WORD wYear;
WORD wMonth;
WORD wDayOfWeek;
WORD wDay;
WORD wHour;
WORD wMinute;
WORD wSecond;
WORD wMilliseconds;
} SYSTEMTIME;
Parameters
wYear
The current year.wMonth
The current month; January is 1.wDayOfWeek
The current day of the week; Sunday is 0, Monday is 1, and so on.wDay
The current day of the month.wHour
The current hour.wMinute
The current minute.wSecond
The current second.wMilliseconds
The current millisecond.
Example
// Retrieves the current system date and time. The system
// time is expressed in Coordinated Universal Time (UTC).
SYSTEMTIME systime;
GetSystemTime(&systime);
// Determine day of the week.
CString day;
switch (systime.wDayOfWeek)
{
case 0:
day = _T("Sunday");
break;
case 1:
day = _T("Monday");
break;
case 2:
day = _T("Tuesday");
break;
case 3:
day = _T("Wednesday");
break;
case 4:
day = _T("Thursday");
break;
case 5:
day = _T("Friday");
break;
case 6:
day = _T("Saturday");
break;
}
// Show the time in a message box.
CString str;
str.Format(_T("%s %u/%u/%u %u:%u:%u:%u"), day,
systime.wYear, systime.wMonth, systime.wDay,
systime.wHour, systime.wMinute, systime.wSecond,
systime.wMilliseconds);
AfxMessageBox(str);
Requirements
Header: winbase.h