August 2025 Calendar
August 2025 has 31 days, starting on a Friday and ending on a Sunday. It spans ISO weeks 31–35, with 21 weekdays and 10 weekend days — and 6 public holidays across the 12 countries listed below.
August 2025 month grid
August 2025
| W | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 31 | 28 | 29 | 30 | 31 | 1 First Quarter 12:41 UTC | 2 | 3 |
| 32 | 4 Civic Holiday · First Monday in August | 5 | 6 | 7 | 8 | 9 National Women's Day · Full Moon 07:55 UTC | 10 |
| 33 | 11 Mountain Day | 12 | 13 | 14 | 15 Independence Day · Assumption | 16 Last Quarter 05:12 UTC | 17 |
| 34 | 18 | 19 | 20 | 21 | 22 | 23 New Moon 06:06 UTC | 24 |
| 35 | 25 | 26 | 27 | 28 | 29 | 30 | 31 First Quarter 06:25 UTC |
| 36 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) W = ISO week
Public holidays in August 2025
| Date | Holiday | Observed in |
|---|---|---|
| Civic Holiday | Canada | |
| First Monday in August | Ireland | |
| National Women's Day | South Africa | |
| Mountain Day | Japan | |
| Independence Day | India | |
| Assumption | France |
No national public holiday in August 2025 for the selected country.
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
- First Quarter
- Full Moon
- Last Quarter
- New Moon
- First 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 2025 at a glance
- Days
- 31
- Weekdays
- 21
- Weekend days
- 10
- ISO weeks
- 31–35
- Day of year
- 213–243 of 365
- Quarter
- Q3
- Days left in 2025 after the 31st
- 122
- Friday the 13th
- No
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 2025: common questions
How many working days are there in August 2025?
August 2025 has 21 weekdays (Monday to Friday) and 10 weekend days. The United States has no federal holiday in August 2025, so all 21 weekdays are working days. The United Kingdom has no UK-wide bank holiday this month, so it has 21 working days (regional bank holidays in England, Scotland or Northern Ireland are not counted).
What week numbers are in August 2025?
August 2025 covers ISO weeks 31, 32, 33, 34, 35. ISO weeks start on Monday, so August 1, a Friday, falls in week 31.
When is the full moon in August 2025?
Saturday, August 9 at 07:55 UTC. The new moon is on Saturday, August 23.
What day of the week does August 2025 start on?
August 2025 starts on a Friday and ends on a Sunday (the 31st). It runs from day 213 to day 243 of the year.