然而，每年秋分的日子都不同，在秋分不一定有圆月。

However, the Autumn Equinox is not a fixed day and there may or may not be a full moon on that day.

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秋分明天来临。秋分前夕，打蜡新月会在日落后西南天空出现。

The equinox comes tomorrow, and on this eve of the equinox the waxing crescent moon appears low in the southwestern sky after sunset.

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