Week 30, 2027
July 26 – August 1, 2027
Monday July 26 – Sunday August 12027-W30Days 207–213
The seven days
| Date | ISO week date | Day of year | US week | Islamic date (computed) | Holidays and other dates |
|---|---|---|---|---|---|
| Mon, Jul 26 | 2027-W30-1 | 207 | 31 | 22 Safar 1449 AH | |
| Tue, Jul 27 | 2027-W30-2 | 208 | 31 | 23 Safar 1449 AH | |
| Wed, Jul 28 | 2027-W30-3 | 209 | 31 | 24 Safar 1449 AH | |
| Thu, Jul 29 | 2027-W30-4 | 210 | 31 | 25 Safar 1449 AH | |
| Fri, Jul 30 | 2027-W30-5 | 211 | 31 | 26 Safar 1449 AH | |
| Sat, Jul 31 | 2027-W30-6 | 212 | 31 | 27 Safar 1449 AH | |
| Sun, Aug 1 | 2027-W30-7 | 213 | 32 | 28 Safar 1449 AH |
About week 30
The week spans two months: it starts in July and ends in August, with August 1 on Sunday. In US numbering, where weeks start on Sunday and the week of January 1 is week 1, Monday to Saturday are US week 31 and Sunday US week 32.
None of the 17 national holiday sets we cover has a public holiday in this week; regional holidays are on the country pages. All weeks of 2027 lists the neighbouring weeks.
Week 30 in other years
| Year | Week 30 runs |
|---|---|
| 2025 | Mon, Jul 21 – Sun, Jul 27 |
| 2026 | Mon, Jul 20 – Sun, Jul 26 |
| 2027 | Mon, Jul 26 – Sun, Aug 1 |
| 2028 | Mon, Jul 24 – Sun, Jul 30 |
| 2029 | Mon, Jul 23 – Sun, Jul 29 |
| 2030 | Mon, Jul 22 – Sun, Jul 28 |
In 2028, week 30 runs Mon, Jul 24 – Sun, Jul 30: 364 days later, 2 days earlier in the calendar. Over the 400-year cycle, the Monday of week 30 falls between July 19 and July 26.
By the end of week 30, 213 days of 2027 have passed (58.4% of the year), and 22 ISO weeks of 2027 remain. The week falls in Q3.
Writing week 30
ISO 8601 writes this week as 2027-W30 (basic format 2027W30), from 2027-W30-1 on Monday to -7 on Sunday. The week number page shows the spreadsheet and Python formulas that give these numbers.