April 30 is the 120th day of the year in the Gregorian calendar, which is commonly used worldwide. It marks the end of April, the fourth month of the year, and is often associated with the arrival of spring in the Northern Hemisphere. On this day, various events and observances take place. For example, International Jazz Day is celebrated on April 30, highlighting the importance of jazz music and its cultural significance. Additionally, it is a time when many people prepare for the upcoming month of May, which is known for its flowers and warmer weather.