May 2027 Calendar
Holidays & observances in May 2027
- Sun, May 9Mother's DayObservance
- Mon, May 31Memorial DayFederal holiday
Moon phases
- New moon Thu, May 6
- First quarter Thu, May 13
- Full moon Fri, May 21
- Last quarter Fri, May 28
About May 2027
- Days31
- Starts onSaturday
- Ends onMonday
- ISO weeks17–22
- Weekdays (Mon–Fri)21
- Working days after federal holidays20
This printable May 2027 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.