C Date and time utilities

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< cpp‎ | chrono
C++
Date and time library
Time point
(C++11)
(C++20)
Duration
(C++11)
Clocks
(C++11)
(C++11)
(C++20)
(C++20)
(C++20)
(C++11)
(C++20)
(C++20)
(C++20)
Time of day
(C++20)(C++20)
(C++20)(C++20)
(C++20)

Calendar
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)(C++20)
Time zone
(C++20)
(C++20)
(C++20) (C++20) (C++20) (C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
chrono I/O
(C++20)
C-style date and time
C-style date and time utilities
Functions
Time manipulation
(C++17)
Format conversions
Constants
Types
(C++17)

Functions

Defined in header <ctime>
Time manipulation
computes the difference between times
(function)
returns the current time of the system as time since epoch
(function)
returns raw processor clock time since the program is started
(function)
(C++17)
 returns the calendar time in seconds and nanoseconds based on a given time base
(function)
Format conversions
converts a std::tm object to a textual representation
(function)
converts a std::time_t object to a textual representation
(function)
converts a std::tm object to custom textual representation
(function)
converts a std::tm object to custom wide string textual representation
(function)
converts time since epoch to calendar time expressed as Universal Coordinated Time
(function)
converts time since epoch to calendar time expressed as local time
(function)
converts calendar time to time since epoch
(function)

Constants

 number of processor clock ticks per second
(macro constant)

Types

 calendar time type
(class)
time since epoch type
(typedef)
process running time
(typedef)
(C++17)
 time in seconds and nanoseconds
(struct)

See also

C documentation for Date and time utilities
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