2016 has a holiday from April 30th to May 2nd, lasting for 3 days.

May 1 day (Sunday, May 1st International Labor Day) is a legal holiday, so May 2nd (Monday) is a rest day.

Go to work as usual on Tuesday, May 3rd.

International Labor Day, also known as "May Day International Labor Day" and "International Workers' Day or May Day", is a national holiday in more than 80 countries in the world. On May 1 day every year. This is a festival shared by working people all over the world.