26 Time library [time]

26.10 Time zones [time.zone]

26.10.9 Class link [time.zone.link]

26.10.9.1 Overview [time.zone.link.overview]

namespace std::chrono {
  class link {
  public:
    link(link&&)            = default;
    link& operator=(link&&) = default;

    // unspecified additional constructors

    string_view name()   const noexcept;
    string_view target() const noexcept;
  };
}
A link specifies an alternative name for a time_­zone.
links are constructed when the time zone database is initialized.