Spring is quickly approaching, which means it's time to begin preparing for holidays like for St. Patrick's Day and Easter.

This year, Easter falls on Sunday, March 31. The holiday is an important one for millions of people around the world who follow the Christian faith, as it celebrates the resurrection of Jesus Christ and follows a 40-day period known as Lent.

The date the holiday is celebrated changes depending on the year because it is one of several "moveable feasts" in the liturgical year, according to the History Channel. Other examples of "moveable feasts" include Ash Wednesday and Palm Sunday.

While most national grocery store and fast food chains will be open on Easter this year, that might not be the case for banks and post offices. Here's what you need to know.

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Is the post office open on Easter? Will mail be delivered?

U.S. Postal Service facilities will be closed for retail transactions and there will be no regular residential or business mail deliveries on Sunday, March 31, the USPS confirmed to USA TODAY in an emailed statement.

The agency did say that Priority Mail Express is delivered 365 days a year, including Sundays.

Are banks open on Easter?

Some branches of national banks will be closed on Easter since it falls on a Sunday.

Branches of JPMorgan Chase that would typically be open on Sunday will be closed on Easter, the company told USA TODAY.

All Capital One branch and café locations will be open regular hours on Good Friday and Easter except for the following three, which are located in malls:

• Capital One Café at Stonebriar Centre in Frisco, TX
• Capital One Café at Westfield UTC in San Diego, CA
• Capital One Café at Victoria Gardens in Rancho Cucamonga, CA

Wells Fargo has some branches that are open on Sundays and those branches will be open on Sunday, March 31, the company told USA TODAY. Customers can visit www.wellsfargo.com for real-time information on branch hours.

Bank of America financial centers are always closed on Sundays, even on non-holidays, so they will not be open on Easter, the company told USA TODAY.

Is UPS open on Easter? Will packages be delivered?

UPS pickup and delivery services will not be available on Easter. UPS Store locations may be closed, according the company's website.

Check with your local store for specific hours of operation.

UPS Express Critical service is available 365 days a year, according to the company' website. Visit upsexpresscritical.com for more information.

Is FedEx open on Easter? Will packages be delivered?

Most of FedEx's pickup and delivery services will not be available on Easter, according to the company's website. FedEx Office hours will also be modified, so it is best to check with your local store for their specific hours.

FedEx Custom Critical, however, is available 24/7, according to the company.

Are Costco, Walmart and Target open on Easter?

Walmart stores will be open regular hours on Easter, the company told USA TODAY.

Target and Costco stores will be closed on Sunday, March 31.

Contributing: Olivia Munson, USA TODAY