May 2031 Calendar
Holidays & observances in May 2031
- Sun, May 11Mother's DayObservance
- Mon, May 26Memorial DayFederal holiday
Moon phases
- Full moon Wed, May 7
- Last quarter Wed, May 14
- New moon Wed, May 21
- First quarter Thu, May 29
About May 2031
- Days31
- Starts onThursday
- Ends onSaturday
- ISO weeks18–22
- Weekdays (Mon–Fri)22
- Working days after federal holidays21
This printable May 2031 calendar marks Memorial Day, shows moon phases and includes a notes area. Use the options to start the week on Sunday or Monday, add ISO week numbers, or switch to the planner template with a to-do column.