There can only be a lunar eclipse on a full moon, when the moon, earth and sun stand in a straight line.
The partial eclipse will be visible across the United Kingdom, much of Asia, all of Africa, the eastern part of South America and the western part of Australia.
Slovaks can enjoy another partial lunar eclipse on October 28, 2023, and September 18, 2024, at the earliest.
The eclipse will be at its peak - and most clearly visible - at around 3 am. The Earth's umbra at the Moon's distance is about three times the Moon's apparent size.
The moon should appear red tonight.
It is only when the moon enters the inner umbral shadow that we see Earth's natural satellite change color - and the further it enters the umbral shadow, the deeper the eclipse and color. Here are 10 absurd myths that are associated with lunar eclipses.
This casts a shadow over the moon, which dims dramatically but remains visible.
Stronger atmospheric scattering of blue light means that the light which reaches the moon's surface is red in colour.
A total lunar eclipse was witnessed last on January 21. The last time Guru Purnima and lunar eclipse took place on the same day was 149 years ago.
The eclipse can be seen in the United Kingdom from moon rise, which starts at approximately 9.07pm, until around 1.17am.
Month's end's new moon is also called a black moon, because a new moon is not illuminated by the sun's rays, and it can be hard to see it.
The voyage of course ended four days later when astronaut Neil Armstrong became the first man to step foot on the moon.
And unlike solar eclipses, especially the total solar eclipse in August 2017, the lunar eclipse is safe to view with the naked eye or binoculars.