Week 36, 2026
August 31 – September 6, 2026
Monday August 31 – Sunday September 62026-W36Days 243–249
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Aug 31 | 2026-W36-1 | 243 | 36 | 18 Rabi' al-Awwal 1448 AH | Summer bank holiday (UK: England and Wales, UK: Northern Ireland) |
| Tue, Sep 1 | 2026-W36-2 | 244 | 36 | 19 Rabi' al-Awwal 1448 AH | |
| Wed, Sep 2 | 2026-W36-3 | 245 | 36 | 20 Rabi' al-Awwal 1448 AH | |
| Thu, Sep 3 | 2026-W36-4 | 246 | 36 | 21 Rabi' al-Awwal 1448 AH | |
| Fri, Sep 4 | 2026-W36-5 | 247 | 36 | 22 Rabi' al-Awwal 1448 AH | |
| Sat, Sep 5 | 2026-W36-6 | 248 | 36 | 23 Rabi' al-Awwal 1448 AH | |
| Sun, Sep 6 | 2026-W36-7 | 249 | 37 | 24 Rabi' al-Awwal 1448 AH |
About week 36
The week spans two months: it starts in August and ends in September, with September 1 on Tuesday. In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 36 and Sunday US week 37.
Holidays this week: Summer bank holiday on Mon, Aug 31 in UK: England and Wales, UK: Northern Ireland. All weeks of 2026 lists the neighbouring weeks.
Week 36 in other years
| Year | Week 36 runs |
|---|---|
| 2024 | Mon, Sep 2 – Sun, Sep 8 |
| 2025 | Mon, Sep 1 – Sun, Sep 7 |
| 2026 | Mon, Aug 31 – Sun, Sep 6 |
| 2027 | Mon, Sep 6 – Sun, Sep 12 |
| 2028 | Mon, Sep 4 – Sun, Sep 10 |
| 2029 | Mon, Sep 3 – Sun, Sep 9 |
In 2027, week 36 runs Mon, Sep 6 – Sun, Sep 12: 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 36 falls between August 30 and September 6.
By the end of week 36, 249 days of 2026 have passed (68.2% of the year), and 17 ISO weeks of 2026 remain. The week falls in Q3.
Writing week 36
ISO 8601 writes this week as 2026-W36 (basic format 2026W36), from 2026-W36-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.