std::chrono::tzdb_list::begin
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                    |   const_iterator begin() const noexcept;  | 
(since C++20) | |
|   const_iterator cbegin() const noexcept;  | 
(since C++20) | |
Returns an iterator referring to the first std::chrono::tzdb in the container.
Return value
An iterator referring to the first std::chrono::tzdb in the container.