Defined in header
typedef /* unspecified */ time_t;
Arithmetic type capable of representing times.
Although not defined, this is almost always a integral value holding the number of seconds (not counting leap seconds) since 00:00, Jan 1 1970 UTC, corresponding to POSIX time.
| returns the current calendar time of the system as time since epoch |
| converts time since epoch to calendar time expressed as local time |
| converts time since epoch to calendar time expressed as Coordinated Universal Time (UTC) |
C++ documentation for time_t