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August 2021 Calendar

August 2021 has 31 days, starting on a Sunday and ending on a Tuesday. It spans ISO weeks 30–35, with 22 weekdays and 9 weekend days — and 7 public holidays across the 12 countries listed below.

2021 overview

August 2021 month grid

August 2021

W MonTueWedThuFriSatSun
30 26 27 28 29 30 31 1
31 2 Civic Holiday · First Monday in August 3 4 5 6 7 8 Mountain Day · New Moon 13:50 UTC
32 9 Mountain Day (substitute day) · National Women's Day 10 11 12 13 14 15 Independence Day · Assumption · First Quarter 15:20 UTC
33 16 17 18 19 20 21 22 Full Moon 12:02 UTC
34 23 24 25 26 27 28 29
35 30 Last Quarter 07:14 UTC 31 1 2 3 4 5

12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) W = ISO week

Public holidays in August 2021

DateHolidayObserved in
Civic Holiday Canada
First Monday in August Ireland
Mountain Day Japan
Mountain Day (substitute day) Japan
National Women's Day South Africa
Independence Day India
Assumption France

National holidays only, from the open-source date-holidays dataset. States, provinces and regions add their own — see each country's holiday page for the full list and observances.

Moon phases

  • New Moon
  • First Quarter
  • Full Moon
  • Last Quarter

Times are shown in your time zone when JavaScript is on, UTC otherwise; near midnight the local date can differ. For moonrise and moonset see the moon pages for New York, London or Sydney.

August 2021 at a glance

Days
31
Weekdays
22
Weekend days
9
ISO weeks
30–35
Day of year
213–243 of 365
Quarter
Q3
Days left in 2021 after the 31st
122
Friday the 13th
Yes

The name: Named after the emperor Augustus; the Romans renamed it from Sextilis in 8 BC.

Working days by country

Monday–Friday minus national public holidays that fall on a weekday. Regional holidays are not subtracted.

Need a span that crosses months? Use the date and time calculator.

August 2021: common questions

How many working days are there in August 2021?

August 2021 has 22 weekdays (Monday to Friday) and 9 weekend days. The United States has no federal holiday in August 2021, so all 22 weekdays are working days. The United Kingdom has no UK-wide bank holiday this month, so it has 22 working days (regional bank holidays in England, Scotland or Northern Ireland are not counted).

What week numbers are in August 2021?

August 2021 covers ISO weeks 30, 31, 32, 33, 34, 35. ISO weeks start on Monday, so August 1, a Sunday, falls in week 30.

When is the full moon in August 2021?

Sunday, August 22 at 12:02 UTC. The new moon is on Sunday, August 8.

What day of the week does August 2021 start on?

August 2021 starts on a Sunday and ends on a Tuesday (the 31st). It runs from day 213 to day 243 of the year, and the 13th falls on a Friday.

Other months in 2021

August in other years