When is Earth Day 1978?

What is Earth Day?

Earth Day is a widely observed date but not a federal holiday. Earth Day is observed April 22 each year—not a 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 Earth Day?

Earth Day is observed April 22 each year—not a 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

First held in 1970, Earth Day helped launch the modern environmental movement in the United States, contributing to later laws on clean air, water, and endangered species.

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

How people observe Earth Day

Schools and nonprofits organize cleanups, tree plantings, and education events. Companies highlight sustainability programs.

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

Schedule volunteer events for April 22 or the nearest weekend in 1978. Normal business hours apply.

Add Earth Day 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.