What does it mean to deviate from the sun four times in the yellow calendar?

What is a four-day leave? Among the 24 solar terms in four seasons every year, the day before vernal equinox, autumnal equinox, summer solstice and winter solstice is a four-day holiday. Four days away from the sun, there are ten days in a season, which the ancients thought was unlucky; Among the 24 solar terms of the four seasons, the day before beginning of spring, long summer, beginning of autumn and beginning of winter is the four seasons. Four parting is the beginning of four seasons, and four unique seasons are the end of four seasons. The ancients were afraid of exhaustion and thought it was unlucky. Therefore, it is generally useless not to choose this day for four minutes and four days to do great things. This is the day when the new official takes office and the old official abdicates. It is unlucky to be left unattended, which can be used to change jobs.