July 27 – August 2, 2026
MonTueWedThuFriSatSun
Week 1 contains the first Thursday of the year.ISO guide →Date → week number
July 31, 2026: What week number?
Friday, July 31, 2026ISO Week 312026-W31
ISO Week 31 runs from July 27, 2026 to August 2, 2026.
ISO vs US-style week numbers
The same date can have different week numbers
ISO weeks start on Monday. The simplified US-style system starts on Sunday and counts the week containing January 1 as Week 1.
July 26 – August 1, 2026
SunMonTueWedThuFriSat
Week 1 contains January 1.US-style guide →ISO weekWeek 31
US-style weekWeek 31
WeekdayFriday
QuarterQ3
Day of year212 / 365
ISO weekday5 / 7
July 2026
Date context
Friday, July 31, 2026 is day 212 of 2026 and belongs to ISO Week 31.
This ISO week crosses a month boundary: it starts in July and ends in August.
Distance from today
How long ago was July 31, 2026?
Days67
Full weeks9
Remaining days4
July 31, 2026 is 67 days before today, equal to 9 full weeks and 4 days.