std::time_t

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C++ Standard Library
Language Utilities library Strings library Containers library Algorithms library Iterators library Numerics library Input/output library Localizations library Regular expressions library (C++11) Atomic operations library (C++11) Thread support library (C++11)
Utilities library
Date and time utilities
time_point (C++11) duration (C++11) system_clock (C++11) steady_clock (C++11) high_resolution_clock (C++11) C library facilities
C-style date and time utilities
Functions Time manipulation difftime time clock Format conversions asctime ctime strftime wcsftime gmtime localtime mktime Constants CLOCKS_PER_SEC Types tm time_t clock_t

Defined in header <ctime>
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 since 00:00, Jan 1 1970 UTC, corresponding to POSIX time.

[edit] See also

time	returns the current time of the system as time since epoch (function)
localtime	converts time since epoch to calendar time expressed as local time (function)
gmtime	converts time since epoch to calendar time expressed as Universal Coordinated Time (function)