Hi, in Romania Tuesday is considered a "bad" day on its own, because it is said that there are 3 bad/unlucky hours every Tuesday. I was aware of this superstition, like I guess every Romanian is, but I didn't know what's the explanation behind it before I saw your question. So I googleed it and found out that according to astrology, every day has two unlucky hours (the hours which corresponds to Mars and Saturn), but Tuesday and Saturday, the former being governed by Mars, the latter by Saturn, have an extra bad hour, so that's what make it a "special" day. I didn't know that Saturday also has 3 bad hours though.