The moon's last quarter - or final quarter phase will occur at 07:59 a.m. EDT (1159 GMT) on the morning of May 20 for viewers ...

Simply look to the western sky after sunset. The delicate form of the crescent moon is set to draw close to the planet ...

we can watch the moon travel from just past new moon, the invisible phase where it passes the sun, all the way to full moon. Where and when do you look for different phases of the moon?