When is Cinco de Mayo 1978?

What is Cinco de Mayo?

Cinco de Mayo is a widely observed date but not a federal holiday. Cinco de Mayo is May 5 each year—not a US federal holiday.

Americans use this date for planning time off, travel, school events, and retail promotions. Mark it on your 1978 calendar early so team schedules and family plans stay aligned with public closures and local observances.

When is Cinco de Mayo?

Cinco de Mayo is May 5 each year—not a US federal holiday. The countdown and next-ten-years table above lists exact weekdays for 1978 and future years, including how many days remain until the next occurrence.

Floating holidays shift on the calendar; fixed dates like July 4 or December 25 stay on the same month and day every year. If the date falls on a weekend, federal observance may move to an adjacent weekday—confirm with your employer for time-off policies.

History and background

Commemorates the 1862 Mexican victory at the Battle of Puebla. In the United States it celebrates Mexican American culture more broadly than in most of Mexico.

Understanding the history helps explain why schools, media, and local governments schedule related events around the same season each year.

How people observe Cinco de Mayo

Festivals, music, food, and educational events appear in communities with large Mexican American populations. Restaurants and retailers may run themed promotions.

Neighborhoods and workplaces vary: some close entirely on federal holidays, while cultural observances may continue with normal business hours. Check local listings for parades, sales, or volunteer opportunities tied to this date.

Calendar planning tip

Mark May 5 for local events in 1978. Federal offices and banks follow normal hours.

Add Cinco de Mayo to any printable month or year grid in our editor—the same holiday engine powers this page and your customized PDF. Browse 1978 holidays, open the monthly calendars hub, or print a 1978 yearly calendar with one-click holiday markers.