In the fictional Star Trek series, the Milky Way Galaxy is divided into four quadrants.

The Alpha Quadrant would be located between 6 and 9 o'clock positions if the plane of the galaxy were seen as a clock face with the 6 o'clock position bisecting the Sol system. The Alpha Quadrant serves as the usual setting for the television shows Star Trek: The Original Series, Star Trek: The Next Generation, and Star Trek: Enterprise as well as most of the Star Trek movies. It is home to the United Federation of Planets and the Cardassian Union.

The Beta Quadrant would be located between the 3 and 6 o'clock if the plane of the galaxy were seen as a clock face with the 6 o'clock position bisecting Earth's Solar System.

The reason why the United Federation of Planets and Earth is right on the edge of the Beta Quadrant is to make previous references to Quadrant made in the original series, its movies, and early episodes of Star Trek: The Next Generation consistent.

The Beta Quadrant is home to the Klingon Empire and the Romulan Star Empire, as well as a portion of the Federation.

The Gamma Quadrant is located between the 9 and 12 o'clock positions if the plane of the galaxy were seen as a clock face with the 6 o'clock position bisecting the Sol system.

In Star Trek the Bajoran wormhole, near the Deep Space Nine space station in the Bajor-B'hava'el system in the Alpha Quadrant, leads there. The Gamma Quadrant is primarily ruled by the Dominion.

The Delta Quadrant is the farthest Quadrant of the Milky Way from the Alpha Quadrant. It would be located between 12 and 3 o'clock positions if the plane of the galaxy were seen as a clock face with the 6 o'clock position bisecting the Sol system. Most of the information about the Delta Quadrant comes from the show Star Trek: Voyager. Star Trek races that come from the Delta Quadrant include the Borg, the Kazon, the Vidiian, Talaxians, Ocampans, and the Hirogen.

Curiously, this arrangements results in

γδ
αβ

The order of the quadrants is therefore neither anticlockwise or clockwise.

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