First, I think you're correct when you say that in would be a better preposition than on for these examples. As one commenter said, ... ... <看更多>

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THE WEEK, New York, New York. 413943 likes · 10185 talking about this · 7 were here. All you need to know about everything that matters — TheWeek.com. ... <看更多>

Use weekday() : >>> import datetime >>> datetime.datetime.today() datetime.datetime(2012, 3, 23, 23, 24, 55, ... ... <看更多>