Since December 11, 2011, it will be first time that Blood Moon will appear on April 14, 2014. It will not be the only full lunar eclipse to happen in recent times as three more are in the queue.

Called as eclipse tetrad, the first of the four full lunar eclipses is scheduled for April 14 and in many countries, the red moon will occur on April 15. The next lunar eclipse will take place in October.

The complete lunar eclipse takes place when earth covers the entire and is called Blood Moon. The red color occurs due to the presence of Earth between moon and the sun. Scientists have been urging people to witness this rare and natural phenomenon. People will be able to see the Blood Moon with telescope, binoculars and naked eyes.

There is great news for Americans as they will be able to view this Blood Moon as well as the one to appear in October. The event will also be seen in most of Canada, Central America and parts of South America.

The complete lunar eclipse will last for just over an hour at 3.07 am and will last till 4.25 am. On April 15, the moon will start moving into Earth's shadow. Since the time, the announcement of blood moon has been made a panic has got created among Christians. As per the Bible, the event is a sign of the apocalypse.

As per NASA, it is quite an unusual tetrad. There have been a few times only in last two millenniums that such tetrads had taken place.