Setsubun

Although it occurs on February 3rd or 4th, setsubun is a festival to welcome spring and clear away winter cold and gloom. Before 1873 Japan used the lunar calendar, where the numbering of the months was about 6 weeks behind that of the modern solar calendar, hence the festival occurs in deepest winter.
Several rituals are observed on this day, for example there is a custom of opening the doors and windows of houses and expelling bad luck and demons by throwing beans in the air and shouting gFuku wa uchi, oni wa sotoh(gfortune in and demons outh) . It is also said that by eating the numbers of beans equivalent to your age, you will be healthy over the coming year.