March 31, 2025 just isn’t a federal vacation in america. It’s a Monday and most companies, faculties, and authorities workplaces will probably be open.
Nonetheless, some states and localities could observe March 31 as a vacation. For instance, within the state of Hawaii, March 31 is called Kamehameha Day and is a state vacation. Kamehameha Day commemorates the beginning of Kamehameha I, the founder and first king of the Kingdom of Hawaii.