The rare Supermoon Lunar Eclipse on September 27th / September 28th reminds me of the extensive Mathematics resources available from NASA. The eclipse might inspire you to do a little Lunar Math!
The total eclipse will last one hour and 12 minutes, and will be visible to North and South America, Europe, Africa, and parts of West Asia and the eastern Pacific.
The moon will start going into partial eclipse at 12.07am in the UK. The eclipse will then become total from 1.11am until 2.23am. The eclipse will end entirely at 4.27am.