Week 22, 2026
May 25–31, 2026
Monday May 25 – Sunday May 312026-W22Days 145–151
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, May 25 | 2026-W22-1 | 145 | 22 | 8 Dhu al-Hijjah 1447 AH | Memorial Day (United States (federal)); Spring bank holiday (UK: England and Wales, UK: Scotland, UK: Northern Ireland); The Birthday of the Buddha (substitute day) (Hong Kong); Whit Monday (France) |
| Tue, May 26 | 2026-W22-2 | 146 | 22 | 9 Dhu al-Hijjah 1447 AH | |
| Wed, May 27 | 2026-W22-3 | 147 | 22 | 10 Dhu al-Hijjah 1447 AH | Hari Raya Haji (Singapore); Eid al-Adha |
| Thu, May 28 | 2026-W22-4 | 148 | 22 | 11 Dhu al-Hijjah 1447 AH | |
| Fri, May 29 | 2026-W22-5 | 149 | 22 | 12 Dhu al-Hijjah 1447 AH | |
| Sat, May 30 | 2026-W22-6 | 150 | 22 | 13 Dhu al-Hijjah 1447 AH | |
| Sun, May 31 | 2026-W22-7 | 151 | 23 | 14 Dhu al-Hijjah 1447 AH |
About week 22
In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 22 and Sunday US week 23.
Holidays this week: Memorial Day on Mon, May 25 in United States (federal); Spring bank holiday on Mon, May 25 in UK: England and Wales, UK: Scotland, UK: Northern Ireland; The Birthday of the Buddha (substitute day) on Mon, May 25 in Hong Kong; Whit Monday on Mon, May 25 in France; Hari Raya Haji on Wed, May 27 in Singapore. Also this week: Eid al-Adha on Wed, May 27 (10 Dhu al-Hijjah, Umm al-Qura (computed); announced locally). All weeks of 2026 lists the neighbouring weeks.
Week 22 in other years
| Year | Week 22 runs |
|---|---|
| 2024 | Mon, May 27 – Sun, Jun 2 |
| 2025 | Mon, May 26 – Sun, Jun 1 |
| 2026 | Mon, May 25 – Sun, May 31 |
| 2027 | Mon, May 31 – Sun, Jun 6 |
| 2028 | Mon, May 29 – Sun, Jun 4 |
| 2029 | Mon, May 28 – Sun, Jun 3 |
In 2027, week 22 runs Mon, May 31 – Sun, Jun 6: 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 22 falls between May 24 and May 31.
By the end of week 22, 151 days of 2026 have passed (41.4% of the year), and 31 ISO weeks of 2026 remain. The week falls in Q2.
Writing week 22
ISO 8601 writes this week as 2026-W22 (basic format 2026W22), from 2026-W22-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.