template <class Duration> static std::chrono::utc_time<std::common_type_t<Duration, std::chrono::seconds>> from_sys(const std::chrono::sys_time<Duration>& t); | (since C++20) |
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.
A utc_time
representing the same point in time as t
.
[static] | converts utc_time to sys_time (public static member function) |
(C++20) | convert time points of one clock to another (function template) |
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