According to the solar terms of precipitation

If the book refers to summer or winter, it refers to local summer or winter, that is, June-August in the northern hemisphere, 3.2 1-9.23 in the summer half year,12-February in the southern hemisphere, 9.23-3.2 1 in the summer half year, and vice versa.

If the book says vernal equinox, summer solstice, autumn equinox or winter solstice, the northern hemisphere shall prevail, that is, vernal equinox 3.2 1, summer solstice 6.22, autumn equinox 9.23 and winter solstice 12.22.