[time.zone.overview] (original) (raw)

30 Time library [time]

30.11 Time zones [time.zone]

30.11.5 Class time_zone [time.zone.timezone]

30.11.5.1 Overview [time.zone.overview]

namespace std::chrono { class time_zone { public: time_zone(time_zone&&) = default; time_zone& operator=(time_zone&&) = default; 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_]