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  C++ Library Reference : C Library : ctime (time.h) : tm
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ctime (time.h)
ctime (time.h)
functions:
· asctime
· clock
· ctime
· difftime
· gmtime
· localtime
· mktime
· strftime
· time
macros:
· CLOCKS_PER_SEC
· NULL
types:
· clock_t
· size_t
· time_t
· struct tm

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struct tm type
<ctime>

Time structure

Structure containing a calendar date and time broken down into its components.

The structure contains nine members of type int, which are (in any order):

int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;

The meaning of each is:

MemberMeaningRange
tm_secseconds after the minute0-61*
tm_minminutes after the hour0-59
tm_hourhours since midnight0-23
tm_mdayday of the month1-31
tm_monmonths since January0-11
tm_yearyears since 1900
tm_wdaydays since Sunday0-6
tm_ydaydays since January 10-365
tm_isdstDaylight Saving Time flag
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