Total Lunar Eclipse. One of the longest in history.
www.space.com/41007-blood-moon-2018-longest-lunar-eclipse-guide.html
I watched as he opened the sixth seal. There was a great earthquake. The sun turned black like sackcloth made of goat hair, the whole moon turned blood red, (Revelation 6:12, NIV)
Could be this moon, could be any or none. It's up to you to decide.