Week 17, 2027
April 26 – May 2, 2027
Monday April 26 – Sunday May 22027-W17Days 116–122
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Apr 26 | 2027-W17-1 | 116 | 18 | 19 Dhu al-Qa'dah 1448 AH | Anzac Day (additional day) (Australia: New South Wales, Australia: Western Australia); Anzac Day (Australia: Queensland); Anzac Day (Mondayised) (New Zealand) |
| Tue, Apr 27 | 2027-W17-2 | 117 | 18 | 20 Dhu al-Qa'dah 1448 AH | Freedom Day (South Africa) |
| Wed, Apr 28 | 2027-W17-3 | 118 | 18 | 21 Dhu al-Qa'dah 1448 AH | |
| Thu, Apr 29 | 2027-W17-4 | 119 | 18 | 22 Dhu al-Qa'dah 1448 AH | Showa Day (Japan) |
| Fri, Apr 30 | 2027-W17-5 | 120 | 18 | 23 Dhu al-Qa'dah 1448 AH | |
| Sat, May 1 | 2027-W17-6 | 121 | 18 | 24 Dhu al-Qa'dah 1448 AH | Workers' Day (South Africa); Labour Day (4 sets) |
| Sun, May 2 | 2027-W17-7 | 122 | 19 | 25 Dhu al-Qa'dah 1448 AH |
About week 17
The week spans two months: it starts in April and ends in May, with May 1 on Saturday. In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 18 and Sunday US week 19.
Holidays this week: Anzac Day (additional day) on Mon, Apr 26 in Australia: New South Wales, Australia: Western Australia; Anzac Day on Mon, Apr 26 in Australia: Queensland; Anzac Day (Mondayised) on Mon, Apr 26 in New Zealand; Freedom Day on Tue, Apr 27 in South Africa; Showa Day on Thu, Apr 29 in Japan; Workers' Day on Sat, May 1 in South Africa; Labour Day on Sat, May 1 in 4 of the countries and regions we cover. All weeks of 2027 lists the neighbouring weeks.
Week 17 in other years
| Year | Week 17 runs |
|---|---|
| 2025 | Mon, Apr 21 – Sun, Apr 27 |
| 2026 | Mon, Apr 20 – Sun, Apr 26 |
| 2027 | Mon, Apr 26 – Sun, May 2 |
| 2028 | Mon, Apr 24 – Sun, Apr 30 |
| 2029 | Mon, Apr 23 – Sun, Apr 29 |
| 2030 | Mon, Apr 22 – Sun, Apr 28 |
In 2028, week 17 runs Mon, Apr 24 – Sun, Apr 30: 364 days later, 2 days earlier in the calendar. Over the 400-year cycle, the Monday of week 17 falls between April 19 and April 26.
By the end of week 17, 122 days of 2027 have passed (33.4% of the year), and 35 ISO weeks of 2027 remain. The week falls in Q2.
Writing week 17
ISO 8601 writes this week as 2027-W17 (basic format 2027W17), from 2027-W17-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.