The theory is that post-holiday blues combined with the end of the summer and no more bank holidays until Christmas conspire together to make August 30 the day tempers will fray.

• 对这个说法的具体解释是，假期后的郁闷、暑假即将结束，再加上圣诞节前再没有任何假期，这几个因素合在一起会让人在8月30日这一天容易发脾气。