Week 23, 2027
June 7–13, 2027
Monday June 7 – Sunday June 132027-W23Days 158–164
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Jun 7 | 2027-W23-1 | 158 | 24 | 2 Muharram 1449 AH | Western Australia Day (Australia: Western Australia); June Bank Holiday (Ireland); King's Birthday (New Zealand) |
| Tue, Jun 8 | 2027-W23-2 | 159 | 24 | 3 Muharram 1449 AH | |
| Wed, Jun 9 | 2027-W23-3 | 160 | 24 | 4 Muharram 1449 AH | Tuen Ng Festival (Hong Kong) |
| Thu, Jun 10 | 2027-W23-4 | 161 | 24 | 5 Muharram 1449 AH | |
| Fri, Jun 11 | 2027-W23-5 | 162 | 24 | 6 Muharram 1449 AH | |
| Sat, Jun 12 | 2027-W23-6 | 163 | 24 | 7 Muharram 1449 AH | |
| Sun, Jun 13 | 2027-W23-7 | 164 | 25 | 8 Muharram 1449 AH |
About week 23
In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 24 and Sunday US week 25.
Holidays this week: Western Australia Day on Mon, Jun 7 in Australia: Western Australia; June Bank Holiday on Mon, Jun 7 in Ireland; King's Birthday on Mon, Jun 7 in New Zealand; Tuen Ng Festival on Wed, Jun 9 in Hong Kong. All weeks of 2027 lists the neighbouring weeks.
Week 23 in other years
| Year | Week 23 runs |
|---|---|
| 2025 | Mon, Jun 2 – Sun, Jun 8 |
| 2026 | Mon, Jun 1 – Sun, Jun 7 |
| 2027 | Mon, Jun 7 – Sun, Jun 13 |
| 2028 | Mon, Jun 5 – Sun, Jun 11 |
| 2029 | Mon, Jun 4 – Sun, Jun 10 |
| 2030 | Mon, Jun 3 – Sun, Jun 9 |
In 2028, week 23 runs Mon, Jun 5 – Sun, Jun 11: 364 days later, 2 days earlier in the calendar. Over the 400-year cycle, the Monday of week 23 falls between May 31 and June 7.
By the end of week 23, 164 days of 2027 have passed (44.9% of the year), and 29 ISO weeks of 2027 remain. The week falls in Q2.
Writing week 23
ISO 8601 writes this week as 2027-W23 (basic format 2027W23), from 2027-W23-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.