What is 4th month calendar?

The fourth month of the year is April. It is the first full month of spring in the Northern Hemisphere and marks the beginning of autumn in the Southern Hemisphere. In the Gregorian calendar, April has 30 days. April has been recognized as National Poetry Month in the United States since 1996, and it is also recognized as Autism Awareness Month and Sexual Assault Awareness Month. Some notable holidays in April include April Fool's Day on the 1st, Easter Sunday (which falls on a different date each year and is celebrated by Christians around the world), and Earth Day on the 22nd. In some cultures, April 1st is also celebrated as a day of practical jokes and hoaxes. Many schools and universities around the world also have their annual spring break during the month of April.