Some operating systems start counting on January 1, 1970, some in another year. For Windows the starting date is January 1, 1601, as stated in the programming information for the Win32-API. To be sure I made a rough calculation of the number stated in the mail below. It is 401 years and some days after the year 1601.
Officially, UTC is the current time without counting the time zone (see http://tycho.usno.navy.mil/cgi-bin/timer.pl). That's why the coding example has two steps: 1) the conversion from integer format to a more useful time structure 2) the conversion from GMT zone (equals UTC) to the local time zone. Rainer. Bjelke John A Contr AFRL/VSIO <[EMAIL PROTECTED]>@mail.activedir.org on 04.04.2002 16:59:29 Bitte antworten an [EMAIL PROTECTED] Gesendet von: [EMAIL PROTECTED] An: "'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]> Kopie: Thema: RE: Antwort: [ActiveDir] Pwdlastset attribute I always thought UTC in relation to computing was the number of non-leap seconds that have elapsed since 00:00:00 January 1, 1970. I find the choice of Jan 01, 1601 to be a little bizarre in this context. Was this a typo? Or is that how UTC is now measured in AD? -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Thursday, April 04, 2002 6:00 AM To: [EMAIL PROTECTED] Subject: Antwort: [ActiveDir] Pwdlastset attribute Tasneem, the format of a UTC time is described in http://msdn.microsoft.com/library/default.asp?url=/library/en-us/sysinfo/ti me_0fzm.asp It is the number of 100-nanosecond intervals since January 1, 1601. With the Win32-API-Function 'FileTimeToSystemTime' it can be converted to a readable format. This is a C++ example: FILETIME ftRawvalue; SYSTEMTIME stGMT, stLocal; // Convert the raw time value to GMT Zone FileTimeToSystemTime(&ftRawvalue, &stGMT); // Convert the time from GMT zone to your local time zone SystemTimeToTzSpecificLocalTime(NULL, &stGMT, &stLocal); // Build a string showing the date and time. wsprintf(lpszString, "%02d/%02d/%d %02d:%02d", stLocal.wDay, stLocal.wMonth, stLocal.wYear, stLocal.wHour, stLocal.wMinute); There should be a similar VB example, but I'm not a VB expert. Rainer. "Bhaijee, Tasneem" <[EMAIL PROTECTED]>@mail.activedir.org on 28.03.2002 18:10:31 Bitte antworten an [EMAIL PROTECTED] Gesendet von: [EMAIL PROTECTED] An: <[EMAIL PROTECTED]> Kopie: Thema: [ActiveDir] Pwdlastset attribute Pwdlastset is an attribute in Active directory which stores the value in UTC (universal Coordinated Time) format. Value example: 126550226842430343 Data type for the attribute is an integer. How do I convert this value to local time? Thanks. List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/ List info : http://www.activedir.org/mail_list.htm List FAQ : http://www.activedir.org/list_faq.htm List archive: http://www.mail-archive.com/activedir%40mail.activedir.org/
