std::chrono::get_tzdb_list, std::chrono::get_tzdb, std::chrono::remote_version, std::chrono::reload_tzdb
Min standard notice:
These functions provide access to the program-wide time zone database.
# Declarations
std::chrono::tzdb_list& get_tzdb_list();
(since C++20)
const std::chrono::tzdb& get_tzdb();
(since C++20)
std::string remote_version();
(since C++20)
const std::chrono::tzdb& reload_tzdb();
(since C++20)