ISO week 2027-W25

Week 25, 2027

Monday, June 21 – Sunday, June 27, 2027

ISO week 25 of 2027 (2027-W25) runs from Monday, June 21, 2027 to Sunday, June 27, 2027.

This week starts 36 weeks from now. The current week is week 42, 2026.

The 7 days of week 25

Dates in week 25, 2027
Day	Date	Day of year	US week	ISO date
Monday	June 21, 2027	172 of 365	26	2027-W25-1
Tuesday	June 22, 2027	173 of 365	26	2027-W25-2
Wednesday	June 23, 2027	174 of 365	26	2027-W25-3
Thursday	June 24, 2027	175 of 365	26	2027-W25-4
Friday	June 25, 2027	176 of 365	26	2027-W25-5
Saturday	June 26, 2027	177 of 365	26	2027-W25-6
Sunday	June 27, 2027	178 of 365	27	2027-W25-7

Week 25 at a glance

ISO code: 2027-W25 (Monday is 2027-W25-1, Sunday is 2027-W25-7)
Month: June
Quarter: Q2 of 2027
Day of year: Days 172–178 of 365
US week number: Monday–Saturday: US week 26; Sunday: US week 27 (Sunday-start weeks, week 1 contains January 1)
Even or odd: Week 25 is an odd week
Weeks left: After this week, 27 ISO weeks remain in 2027 (52 weeks in total)
Year progress: By Sunday, 49% of 2027 has passed

Holidays and key dates

There are no US federal holidays, daylight saving time changes or quarter starts in week 25 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 25, 2027

What are the dates of week 25 in 2027?

Week 25 of 2027 starts on Monday, June 21, 2027 and ends on Sunday, June 27, 2027.

What month is week 25 of 2027?

Week 25 falls in June. By the Thursday rule that ISO 8601 uses for years and quarters, it counts as a June week.

How do I get week 25 of 2027 in Excel or Google Sheets?

=ISOWEEKNUM(DATE(2027,6,21)) returns 25. To go the other way, =DATE(2027,1,4)-WEEKDAY(DATE(2027,1,4),2)+1+(25-1)*7 returns the Monday, June 21, 2027.