The solstice in winter is as big as a year. What does this old rural saying mean?

Because the winter solstice is the most important solar term in a year, commonly known as "winter festival", "winter festival", "sub-year" and "off-year", the ancients believed that since the winter solstice, the days have been getting longer and longer, the sun be the spirit is rising, and the sun be the spirit of heaven and earth is getting stronger and stronger, representing the beginning of the next cycle, which is a good day. So the winter solstice is as big as a year.