The northern hemisphere looks at Polaris to tell the direction, so what constellation does the southern hemisphere look at to tell the direction?

Use the Southern Cross to determine the direction

The Southern Cross constellation, near the south celestial pole, is composed of four bright stars, shaped like a cross. Known as the cross star in China, it is the main basis for determining the position in the southern hemisphere at night. In the area south of 23 north latitude, the southern cross constellation can be used to determine the orientation in the first half of the year. The Southern Cross constellations α and β are famous first-class bright stars in the southern sky, and γ is second-class bright stars. The connecting line between γ and α extends along the direction from γ to α, which is about four times the distance between two stars, that is, the south celestial pole, that is, the south. The stars α and β on the east side of the Southern Cross are the first-class bright stars in the southern sky. The vertical line connecting α and β through α also points due south.

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