十月（ju gatsu）： October

A new month came. October is ju gatsu (十月) in Japanese. The old name is kami na zuki or kan na zuki (神無月), literally means god without month.
Different from Christianity or Islam which believe the existence of only one God, there are so many gods in Japan. They are called yaorozu no kami(八百万の神), eight million gods.
In ancient times people admitted the spirits in every natural being, and were struck with awe, and worshiped them, which is called animism. It was developed to shamanism.
When the agricultural society began, people started to worship the gods in the land, and they started to build shrines to enshrine gods here and here. It is said there are more than 80,000 or 100,000 shrines throughout Japan. Among them Ise jingu(伊勢神宮), Ise shrine and Izumo taisha(出雲大社), Izumo big shrine are special.
Every year in October, gods from everywhere are said to get together in Izumo taisha in Shimane (島根). Therefore there is no god everywhere. So people called October kan na zuki(神無月) the month without god. However on the contrary there are so many gods in Izumo area, therefore they say kami ari zuki (神有月), meaning there are gods month in Izumo area.