# std::chrono::tzdb_list::front

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< cpp‎ | chrono‎ | tzdb list

const std::chrono::tzdb& front() const noexcept; |  | (since C++20)

Obtains a reference to the first std::chrono::tzdb in the list. Simultaneous calls to this function and std::chrono::reload_tzdb() does not introduce a data race.

### Return value

A reference to the first std::chrono::tzdb in the list.

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