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DateAlmanac

August 2031

  • 31 days
  • Starts Friday
  • Ends Sunday
  • 21 working days
  • 10 weekend days
  • ISO weeks 31–35
Calendar grid for 8/2031, weeks starting Sun
ISO week number, Monday to Sunday
31
32
33
34
35
36

Holiday or observanceWeekend

Holidays in August

No US federal holiday falls in August 2031.

Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 1 religious date falls in August 2031 as well — see the calendar with every holiday.

Moon phases

  • Full moon

    Sat, Aug 2

    9:45 PM ET

  • Last quarter

    Sat, Aug 9

    8:23 PM ET

  • New moon

    Mon, Aug 18

    12:32 AM ET

  • First quarter

    Mon, Aug 25

    2:39 PM ET

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

The moon through August

  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 August 2031

August 2031 has 31 days. It begins on a Friday and ends on a Sunday, which gives the month five Fridays, Saturdays and Sundays — and only four of every other weekday. Of its 21 weekdays, none is a federal holiday, leaving 21 working days.

2031 at a glance

Calendar with holidaysPrintable versionDownload PDFFull year 2031