Tuesday is May 1, otherwise known as Labor Day or International Workers’ Day.

*International Workers' Day, also known as Labour Day or Workers' Day in some countries.

The first of May is a national public holiday in many countries worldwide, in most cases as "Labour Day", "International Workers' Day" or some similar name – although some countries celebrate a Labour Day on other dates significant to them, such as the United States, which celebrates Labor Day on the first Monday of September.