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🗓️ Monthly calendar

May 2027 Calendar

Direct answer: May 2027 has 31 days, 21 Monday–Friday business days, and 10 weekend days. The month starts on Saturday and ends on Monday.

May 2027 calendar

Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
2
3
4
5
6
7
8
9
10
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12
13
14
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21
22
23
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27
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31
Month startsSaturday, May 1, 2027
Month endsMonday, May 31, 2027
Total days31
Business days21 Monday–Friday weekdays before local holiday adjustments
Weekend days10 Saturdays/Sundays
Weekday distributionMon 5, Tue 4, Wed 4, Thu 4, Fri 4, Sat 5, Sun 5
21 business days10 weekend daysMon 5, Tue 4, Wed 4, Thu 4, Fri 4, Sat 5, Sun 531 total days

Direct answer and month math

Direct answer: May 2027 contains 31 calendar days, including 21 business days and 10 weekend days. May 2027 starts on Saturday and ends on Monday, so Saturday, Sunday and Monday each appear five times.

FormulaBusiness days = Monday through Friday dates in May 2027; weekend days = Saturday plus Sunday dates.
Holiday adjustmentCounts above do not subtract country, state, school, bank or company holidays.
Best use casesbilling cycles, payroll prep, content calendars, school planning, travel holds, subscription renewals and deadline reminders.

Planning note: If a deadline depends on banks, government offices, schools, payroll or shipping cutoffs, use the business-day count as a baseline and then subtract observed local holidays.

Key dates in May 2027

These are useful anchor dates for setting reminders and checking whether a month-level plan is affected by weekends or common observances.

May 1month starts on Saturday; check weekend launch or travel plans before relying on office hours
May 9Mother’s Day in the United States falls on Sunday
May 28last Friday before the final weekend; useful cutoff for month-end approvals
May 31U.S. Memorial Day in 2027 and month ends on Monday; if observed locally, office/business-day planning may use 20 working days

Practical planning checklist

  • Mark fixed due dates first: rent, subscriptions, loan payments, school events and reporting deadlines.
  • Convert any “within X business days” task with the business days calculator.
  • For rolling reminders, use the date calculator to add or subtract 7, 14, 30, 60 or 90 days.
  • Use the adjacent month links below when a task crosses month boundaries.

Source snapshot

Snapshot date: 2026-05-14. Calendar math is generated from the proleptic Gregorian calendar using local date boundaries only; no external repository content is copied. Holiday notes are informational and should be confirmed with official local calendars for compliance, payroll, tax or school decisions.

Related time tools and nearby calendars

FAQ

How many days are in May 2027?
May 2027 has 31 calendar days.
How many business days are in May 2027?
There are 21 Monday-through-Friday weekdays in May 2027 before local holiday adjustments.
How many weekend days are in May 2027?
There are 10 weekend days in May 2027, counting Saturdays and Sundays.
How many Mondays are in May 2027?
There are five Mondays in May 2027: May 3, 10, 17, 24 and 31.
Does this calendar include holidays?
The core counts show calendar structure plus weekday and weekend counts. Holiday notes are provided for planning context, but official local calendars should be used for payroll, school, tax or legal deadlines.