29 Time library [time]

29.11 Time zones [time.zone]

29.11.5 Class time_­zone [time.zone.timezone]

29.11.5.1 Overview [time.zone.overview]

namespace std::chrono { class time_zone { public: time_zone(time_zone&&) = default; time_zone& operator=(time_zone&&) = default; // unspecified additional constructors string_view name() const noexcept; template<class Duration> sys_info get_info(const sys_time<Duration>& st) const; template<class Duration> local_info get_info(const local_time<Duration>& tp) const; template<class Duration> sys_time<common_type_t<Duration, seconds>> to_sys(const local_time<Duration>& tp) const; template<class Duration> sys_time<common_type_t<Duration, seconds>> to_sys(const local_time<Duration>& tp, choose z) const; template<class Duration> local_time<common_type_t<Duration, seconds>> to_local(const sys_time<Duration>& tp) const; }; }
A time_­zone represents all time zone transitions for a specific geographic area.
time_­zone construction is unspecified, and performed as part of database initialization.
[Note 1:
const time_­zone objects can be accessed via functions such as locate_­zone.
— end note]