t to a
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.
 Return value
utc_time representing the same point in time as
 See also
| converts |
(public static member function)
| convert time points of one clock to another |