Observation of Moon Phase in Hangzhou from July to August

The order of phase change of the moon is: new moon-waning moon-first quarter moon-full moon-last quarter moon-new moon, and so on. The phase change of the moon is periodic, and the period is about one month.

The period of the moon phase is 29.53 days, which is called the new moon. It is the source of calendar months and weeks.

Moon phase significance

1, tide

The phase of the moon is related to the tide of the ocean, because the tide is directly related to the gravity of the moon, for example, a full moon will cause a spring tide.

The change of tides directly affects people's lives. Military affairs, tourism, ocean navigation, marine fisheries, mariculture, marine engineering, scientific experiments and various coastal production activities are all affected by tides.

2. Lighting equipment

Because the lighting in the sky at night mainly depends on the moon, people must also consider the moon phase when they are active at night, especially in remote and barren areas.

3. Religion

It is related to some religious activities, especially Islam, which is Ramadan.