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"awakening of insects" solar term (approx. March 6, the day on which hibernating insects are said to come out of the ground)
啓蟄を過ぎると虫が動き出す。
After the 'awakening of insects,' bugs start to stir.
啓蟄の頃に庭仕事を始める。
I start gardening around the 'awakening of insects.'
今年の啓蟄は三月六日だった。
This year the 'awakening of insects' was on March 6.