Lunar eclipses occur only during the full moon phase.

月食只发生在满月阶段。

Lunar eclipses occur only  during the full moon phase.

月食只发生在满月期间。

Since the lunar calendar is based upon the moon's phases, the 15th day of the month will always be a full moon.

因为农历是根据月亮的盈亏制定的，所以每个月的十五都是满月。

This I use for real world time, this is Barbie land time and then I have this one 'cause it tracks the moons phases so you can keep track of the morning waves.

我用这个来表示现实世界的时间，这是芭比娃娃陆地时间，然后我有这个时间，因为它跟踪月相，所以你可以跟踪晨波。