For better results when spring-cleaning, do the chores during a waning Moon (between full and new).
Last 7 Days
The circle of the moon never filled a pond; the circle of the sun wets a shepherd.
If on her cheeks you see the maiden's blush, The ruddy moon foreshows that winds will rush.-Virgil, Roman poet (70–19 B.C.)
If the full moon rise pale, expect rain.
If you glimpse the new Moon over your right shoulder, you will have good luck.
Committing robbery on the third day of a full moon will always result in failure.
A new moon on Saturday or Sunday is bad luck and predicts rain.
Getting married on the first few days of the full moon is a good omen.
One Saturday change in the Moon is enough, as it is always followed by a severe storm.