What is the "first line" of "long line"?

An agricultural proverb says, "From winter to the future, a line grows." Some people say, "After eating noodles from winter to the sun, a line grows every day." In fact, it is said that after the winter solstice solar term, the day is slightly longer than the day. So, how much time does this "long line" have?

In these two days, the author made a special observation, that is, at sunset for two consecutive afternoons, he recorded the daily absence time and compared the daily absence time of these two days. Due to the bad weather a few days ago, it is impossible to observe, so we can only stay for two sunny days. Among them, the daily absence time on 1 month 10 is 17: 46: 46, and the daily absence time on 1 month1day is the next day 17: 48+05 seconds. No more than I don't know, I'm afraid. The difference between these two days is 89 seconds. Whether every day is as late as the day before, the author has not observed it. Interested readers can also observe the record in person to see if it is consistent with what the author said.

From this, we can at least realize that the natural phenomena revealed by folk proverbs are indeed true.