std::chrono::utc_clock::from_sys - cppreference.com (original) (raw)

Converts a sys_time t to a utc_time u that represents the same point in time.

u.time_since_epoch() - t.time_since_epoch() is equal to the number of leap seconds that was inserted between t and 1 January 1970. If t is the exact date of a leap second insertion, that leap second is counted as inserted.

[edit] Return value

A utc_time representing the same point in time as t.

[edit] See also

| | converts utc_time to sys_time (public static member function) [edit] | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | | convert time points of one clock to another (function template) [edit] |