ISO week 2027-W15

Week 15, 2027

Monday, April 12 – Sunday, April 18, 2027

ISO week 15 of 2027 (2027-W15) runs from Monday, April 12, 2027 to Sunday, April 18, 2027.

This week starts 26 weeks from now. The current week is week 42, 2026.

The 7 days of week 15

Dates in week 15, 2027
Day	Date	Day of year	US week	ISO date
Monday	April 12, 2027	102 of 365	16	2027-W15-1
Tuesday	April 13, 2027	103 of 365	16	2027-W15-2
Wednesday	April 14, 2027	104 of 365	16	2027-W15-3
Thursday	April 15, 2027	105 of 365	16	2027-W15-4
Friday	April 16, 2027	106 of 365	16	2027-W15-5
Saturday	April 17, 2027	107 of 365	16	2027-W15-6
Sunday	April 18, 2027	108 of 365	17	2027-W15-7

Week 15 at a glance

ISO code: 2027-W15 (Monday is 2027-W15-1, Sunday is 2027-W15-7)
Month: April
Quarter: Q2 of 2027
Day of year: Days 102–108 of 365
US week number: Monday–Saturday: US week 16; Sunday: US week 17 (Sunday-start weeks, week 1 contains January 1)
Even or odd: Week 15 is an odd week
Weeks left: After this week, 37 ISO weeks remain in 2027 (52 weeks in total)
Year progress: By Sunday, 30% of 2027 has passed

Holidays and key dates

There are no US federal holidays, daylight saving time changes or quarter starts in week 15 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 15, 2027

What are the dates of week 15 in 2027?

Week 15 of 2027 starts on Monday, April 12, 2027 and ends on Sunday, April 18, 2027.

What month is week 15 of 2027?

Week 15 falls in April. By the Thursday rule that ISO 8601 uses for years and quarters, it counts as a April week.

How do I get week 15 of 2027 in Excel or Google Sheets?

=ISOWEEKNUM(DATE(2027,4,12)) returns 15. To go the other way, =DATE(2027,1,4)-WEEKDAY(DATE(2027,1,4),2)+1+(15-1)*7 returns the Monday, April 12, 2027.