Some monuments, like Stonehenge, were aligned with the midsummer sunrise and midwinter sunset.

有一些纪念碑，例如巨石阵，对齐了夏至日日出和至日日落的。

During the winter, it is dark for longer and longer each day, until midwinter, when there are some days that the sun does not rise at all.

，黑夜一比一长，直到至，甚至还有几太阳根本不会升起。

Because the Earth's axis is tilted, the length of a day changes during the course of a year, with the longest stretch of daylight in midsummer, and the shortest day falling in midwinter.

因为地轴是倾斜的，所以一年中，白的时长有所变化，夏至时，白的时间最长，而至时，白的时间最短。