The meridian 165° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. The 165th meridian west forms a great circle with the 15th meridian east. The Samoa Time Zone and Phoenix Islands Time Zone is based on the mean solar time of this meridian.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 165th meridian west passes through: ! scope="col" width="130" | Co-ordinates ! scope="col" width="120" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Chukchi Sea ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Chukchi Sea ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Bering Sea ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Bering Sea ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica