When is Earth Hour - World National Holidays

Find out the date, when is Earth Hour 2018 and how many days until Earth Hour 2018 with a countdown clock.

Earth Hour Image: Google Image

Earth Hour has always been observed annually on the last Saturday of March. And in 2018, Earth Hour is observed on Saturday, March 31, 2018.

Table of Contents

Earth Hour 2018 Countdown

The Earth Hour Countdown Clock will show you the number of days, hours, minutes & seconds until the next Earth Hour.

[ujicountdown id=”F59″ expire=”2018/03/31 23:59″ hide=”true” url=”” subscr=”” recurring=”” rectype=”second” repeats=””]

When is Casimir Pulaski Day: Casimir Pulaski Dayhas always been observed annually on the first Monday of March.
When is Fun Facts About Names Day: Fun Facts About Names Dayhas always been observed annually on Monday of the first full week of March.
When is National Sportsmanship Day: National Sportsmanship Dayhas always been observed annually on the first Tuesday of March.
When is Peace Corp Day: Peace Corp Dayhas always been observed annually on the first Tuesday of March.