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DateAlmanac

May 2028

  • 31 days
  • Starts Monday
  • Ends Wednesday
  • 22 working days
  • 8 weekend days
  • ISO weeks 18–22
Calendar grid for 5/2028, weeks starting Sun
ISO week number, Monday to Sunday
18
19
20
21
22

Holiday or observanceWeekend

Holidays in May

  • Cinco de MayoMay 5
  • Mother's DayMay 14
  • Memorial DayMay 29

Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 7 religious dates fall in May 2028 as well — see the calendar with every holiday.

Moon phases

  • First quarter

    Mon, May 1

    10:25 PM ET

  • Full moon

    Mon, May 8

    3:48 PM ET

  • Last quarter

    Tue, May 16

    6:43 AM ET

  • New moon

    Wed, May 24

    4:16 AM ET

  • First quarter

    Wed, May 31

    3:36 AM ET

Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.

The moon through May

  1. 1
  2. 3
  3. 5
  4. 7
  5. 9
  6. 11
  7. 13
  8. 15
  9. 17
  10. 19
  11. 21
  12. 23
  13. 25
  14. 27
  15. 29
  16. 31
The moon every other evening, drawn at its true illumination. The terminator is a semi-ellipse, not a straight edge — it only looks straight at the quarters.

About May 2028

May 2028 has 31 days. It begins on a Monday and ends on a Wednesday, which gives the month five Mondays, Tuesdays and Wednesdays — and only four of every other weekday. Of its 23 weekdays, 1 is a federal holiday, leaving 22 working days.

2028 at a glance

Calendar with holidaysPrintable versionDownload PDFFull year 2028