Week 34, 2026
August 17–23, 2026
Monday August 17 – Sunday August 232026-W34Days 229–235
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Aug 17 | 2026-W34-1 | 229 | 34 | 4 Rabi' al-Awwal 1448 AH | |
| Tue, Aug 18 | 2026-W34-2 | 230 | 34 | 5 Rabi' al-Awwal 1448 AH | |
| Wed, Aug 19 | 2026-W34-3 | 231 | 34 | 6 Rabi' al-Awwal 1448 AH | |
| Thu, Aug 20 | 2026-W34-4 | 232 | 34 | 7 Rabi' al-Awwal 1448 AH | |
| Fri, Aug 21 | 2026-W34-5 | 233 | 34 | 8 Rabi' al-Awwal 1448 AH | |
| Sat, Aug 22 | 2026-W34-6 | 234 | 34 | 9 Rabi' al-Awwal 1448 AH | |
| Sun, Aug 23 | 2026-W34-7 | 235 | 35 | 10 Rabi' al-Awwal 1448 AH |
About week 34
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 2026 lists the neighbouring weeks.
Week 34 in other years
| Year | Week 34 runs |
|---|---|
| 2024 | Mon, Aug 19 – Sun, Aug 25 |
| 2025 | Mon, Aug 18 – Sun, Aug 24 |
| 2026 | Mon, Aug 17 – Sun, Aug 23 |
| 2027 | Mon, Aug 23 – Sun, Aug 29 |
| 2028 | Mon, Aug 21 – Sun, Aug 27 |
| 2029 | Mon, Aug 20 – Sun, Aug 26 |
In 2027, week 34 runs Mon, Aug 23 – Sun, Aug 29: 2026 has 53 weeks, so the same number comes 371 days later, 6 days later in the calendar. Over the 400-year cycle, the Monday of week 34 falls between August 16 and August 23.
By the end of week 34, 235 days of 2026 have passed (64.4% of the year), and 19 ISO weeks of 2026 remain. The week falls in Q3.
Writing week 34
ISO 8601 writes this week as 2026-W34 (basic format 2026W34), from 2026-W34-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.