Week 33, 2027
August 16–22, 2027
Monday August 16 – Sunday August 222027-W33Days 228–234
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Aug 16 | 2027-W33-1 | 228 | 34 | 14 Rabi' al-Awwal 1449 AH | |
| Tue, Aug 17 | 2027-W33-2 | 229 | 34 | 15 Rabi' al-Awwal 1449 AH | |
| Wed, Aug 18 | 2027-W33-3 | 230 | 34 | 16 Rabi' al-Awwal 1449 AH | |
| Thu, Aug 19 | 2027-W33-4 | 231 | 34 | 17 Rabi' al-Awwal 1449 AH | |
| Fri, Aug 20 | 2027-W33-5 | 232 | 34 | 18 Rabi' al-Awwal 1449 AH | |
| Sat, Aug 21 | 2027-W33-6 | 233 | 34 | 19 Rabi' al-Awwal 1449 AH | |
| Sun, Aug 22 | 2027-W33-7 | 234 | 35 | 20 Rabi' al-Awwal 1449 AH |
About week 33
In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 34 and Sunday US week 35.
None of the 17 national holiday sets we cover has a public holiday in this week; regional holidays are on the country pages. All weeks of 2027 lists the neighbouring weeks.
Week 33 in other years
| Year | Week 33 runs |
|---|---|
| 2025 | Mon, Aug 11 – Sun, Aug 17 |
| 2026 | Mon, Aug 10 – Sun, Aug 16 |
| 2027 | Mon, Aug 16 – Sun, Aug 22 |
| 2028 | Mon, Aug 14 – Sun, Aug 20 |
| 2029 | Mon, Aug 13 – Sun, Aug 19 |
| 2030 | Mon, Aug 12 – Sun, Aug 18 |
In 2028, week 33 runs Mon, Aug 14 – Sun, Aug 20: 364 days later, 2 days earlier in the calendar. Over the 400-year cycle, the Monday of week 33 falls between August 9 and August 16.
By the end of week 33, 234 days of 2027 have passed (64.1% of the year), and 19 ISO weeks of 2027 remain. The week falls in Q3.
Writing week 33
ISO 8601 writes this week as 2027-W33 (basic format 2027W33), from 2027-W33-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.