Working as a zookeeper requires you to be passionate about animals and wildlife conservation. You often spend more time with the animals than other zoo employees, getting to know their habits and personalities. This helps you determine when the animals are healthy or whether they need veterinary care, a vital role of primary caregivers.
So on average the number of days between two similar phases (e.g. between one full moon and the next full moon) is about 29.531 days. This period is referred to as a lunation, lunar month, or synodic month.
About once every twenty eight days, the moon gives off its full light, hence the name full moon, showing to the Earth observer as a perfect white sphere with its craters gleaming elegantly. The term blue moon is used when this event occurs four times in one of the year's four seasons or twice in a month. Precisely, a blue moon happens on the third full moon of a season with four full moons or on the second full moon in one particular month. This doesn't mean, though, that you'll find the moon literally giving off blue light at those times of the year. slide 2 of 3.