ISO week 2027-W31

Week 31, 2027

Monday, August 2 – Sunday, August 8, 2027

ISO week 31 of 2027 (2027-W31) runs from Monday, August 2, 2027 to Sunday, August 8, 2027.

This week starts 42 weeks from now. The current week is week 42, 2026.

The 7 days of week 31

Dates in week 31, 2027
Day	Date	Day of year	US week	ISO date
Monday	August 2, 2027	214 of 365	32	2027-W31-1
Tuesday	August 3, 2027	215 of 365	32	2027-W31-2
Wednesday	August 4, 2027	216 of 365	32	2027-W31-3
Thursday	August 5, 2027	217 of 365	32	2027-W31-4
Friday	August 6, 2027	218 of 365	32	2027-W31-5
Saturday	August 7, 2027	219 of 365	32	2027-W31-6
Sunday	August 8, 2027	220 of 365	33	2027-W31-7

Week 31 at a glance

ISO code: 2027-W31 (Monday is 2027-W31-1, Sunday is 2027-W31-7)
Month: August
Quarter: Q3 of 2027
Day of year: Days 214–220 of 365
US week number: Monday–Saturday: US week 32; Sunday: US week 33 (Sunday-start weeks, week 1 contains January 1)
Even or odd: Week 31 is an odd week
Weeks left: After this week, 21 ISO weeks remain in 2027 (52 weeks in total)
Year progress: By Sunday, 60% of 2027 has passed

Holidays and key dates

There are no US federal holidays, daylight saving time changes or quarter starts in week 31 of 2027.

Week numbers follow ISO 8601: weeks start on Monday and week 1 contains the first Thursday of the year. US weeks start on Sunday, with week 1 containing January 1.

Questions about week 31, 2027

What are the dates of week 31 in 2027?

Week 31 of 2027 starts on Monday, August 2, 2027 and ends on Sunday, August 8, 2027.

What month is week 31 of 2027?

Week 31 falls in August. By the Thursday rule that ISO 8601 uses for years and quarters, it counts as a August week.

How do I get week 31 of 2027 in Excel or Google Sheets?

=ISOWEEKNUM(DATE(2027,8,2)) returns 31. To go the other way, =DATE(2027,1,4)-WEEKDAY(DATE(2027,1,4),2)+1+(31-1)*7 returns the Monday, August 2, 2027.