Holidays & key dates in March 2027
St. Patrick's Day
Wednesday · Observance
See the full 2027 calendar with holidays for every date, observed day and long weekend.
A full month of working days
March is one of the longest stretches without a federal holiday on the calendar. Between March 1 and March 31, the weekdays are all working days for federal offices, and most private employers also operate on a normal schedule. That makes March a good month for large projects that need uninterrupted time, such as product launches, quarterly reports and spring audits.
March has four full Monday-to-Sunday weeks plus three extra days at the end, so you can divide it into clean planning blocks. Assign the first week to setup, the middle weeks to execution and the last week to review and handoff. Writing these blocks on the monthly grid gives the team one shared view of the plan.
Daylight saving time and clocks
Daylight saving time begins on Sunday, March 14, 2027, when clocks move forward one hour in most of the United States. The change shortens the night and can make the Monday after feel tiring, so plan lighter meetings that morning. Check phone and computer clocks, and update any wall clocks or appliances that do not change automatically.
Many people use the clock change as a reminder to check smoke alarms and replace batteries. Write the date on the calendar so it becomes part of the spring routine, along with other seasonal tasks such as cleaning gutters and changing HVAC filters.
St. Patrick's Day and spring events
St. Patrick's Day falls on Wednesday, March 17, 2027. It is not a federal holiday, but it is widely celebrated in schools and communities. Classrooms often hold green-themed activities, and families plan dinners or parades. If you run a school or club, mark the date early so you can plan a craft session or a snack day without clashing with testing schedules.
Spring break is often scheduled in March or early April. Check your school district or employer for the exact dates, then add them to this calendar before you plan trips or family visits.
Tax preparation and spring cleaning
March is the busiest month for many tax preparers because the deadline for some business returns falls in mid-March. Individual filers have until April, so use this month to finish document collection and to review your forms. Writing the filing deadline on the calendar helps you avoid last-minute stress.
The longer days also make March a natural time for spring cleaning. Divide the month into one room or task per week, and tick off each area as you finish. A printed calendar with generous boxes is easy to annotate with chores, reminders and small wins.