Week 27, 2026
June 29 – July 5, 2026
Monday June 29 – Sunday July 52026-W27Days 180–186
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Jun 29 | 2026-W27-1 | 180 | 27 | 14 Muharram 1448 AH | |
| Tue, Jun 30 | 2026-W27-2 | 181 | 27 | 15 Muharram 1448 AH | |
| Wed, Jul 1 | 2026-W27-3 | 182 | 27 | 16 Muharram 1448 AH | Canada Day (Canada (federal)); Hong Kong Special Administrative Region Establishment Day (Hong Kong) |
| Thu, Jul 2 | 2026-W27-4 | 183 | 27 | 17 Muharram 1448 AH | |
| Fri, Jul 3 | 2026-W27-5 | 184 | 27 | 18 Muharram 1448 AH | Independence Day (observed) (United States (federal)) |
| Sat, Jul 4 | 2026-W27-6 | 185 | 27 | 19 Muharram 1448 AH | |
| Sun, Jul 5 | 2026-W27-7 | 186 | 28 | 20 Muharram 1448 AH |
About week 27
The week spans two months: it starts in June and ends in July, with July 1 on Wednesday, the first day of Q3. In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 27 and Sunday US week 28.
Holidays this week: Canada Day on Wed, Jul 1 in Canada (federal); Hong Kong Special Administrative Region Establishment Day on Wed, Jul 1 in Hong Kong; Independence Day (observed) on Fri, Jul 3 in United States (federal). All weeks of 2026 lists the neighbouring weeks.
Week 27 in other years
| Year | Week 27 runs |
|---|---|
| 2024 | Mon, Jul 1 – Sun, Jul 7 |
| 2025 | Mon, Jun 30 – Sun, Jul 6 |
| 2026 | Mon, Jun 29 – Sun, Jul 5 |
| 2027 | Mon, Jul 5 – Sun, Jul 11 |
| 2028 | Mon, Jul 3 – Sun, Jul 9 |
| 2029 | Mon, Jul 2 – Sun, Jul 8 |
In 2027, week 27 runs Mon, Jul 5 – Sun, Jul 11: 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 27 falls between June 28 and July 5.
By the end of week 27, 186 days of 2026 have passed (51.0% of the year), and 26 ISO weeks of 2026 remain. The week falls in Q2.
Writing week 27
ISO 8601 writes this week as 2026-W27 (basic format 2026W27), from 2026-W27-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.