ISO week 2027-W16

Week 16, 2027

Monday, April 19 – Sunday, April 25, 2027

ISO week 16 of 2027 (2027-W16) runs from Monday, April 19, 2027 to Sunday, April 25, 2027.

This week starts 27 weeks from now. The current week is week 42, 2026.

The 7 days of week 16

Dates in week 16, 2027
Day	Date	Day of year	US week	ISO date
Monday	April 19, 2027	109 of 365	17	2027-W16-1
Tuesday	April 20, 2027	110 of 365	17	2027-W16-2
Wednesday	April 21, 2027	111 of 365	17	2027-W16-3
Thursday	April 22, 2027	112 of 365	17	2027-W16-4
Friday	April 23, 2027	113 of 365	17	2027-W16-5
Saturday	April 24, 2027	114 of 365	17	2027-W16-6
Sunday	April 25, 2027	115 of 365	18	2027-W16-7

Week 16 at a glance

ISO code: 2027-W16 (Monday is 2027-W16-1, Sunday is 2027-W16-7)
Month: April
Quarter: Q2 of 2027
Day of year: Days 109–115 of 365
US week number: Monday–Saturday: US week 17; Sunday: US week 18 (Sunday-start weeks, week 1 contains January 1)
Even or odd: Week 16 is an even week
Weeks left: After this week, 36 ISO weeks remain in 2027 (52 weeks in total)
Year progress: By Sunday, 32% of 2027 has passed

Holidays and key dates

There are no US federal holidays, daylight saving time changes or quarter starts in week 16 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 16, 2027

What are the dates of week 16 in 2027?

Week 16 of 2027 starts on Monday, April 19, 2027 and ends on Sunday, April 25, 2027.

What month is week 16 of 2027?

Week 16 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 16 of 2027 in Excel or Google Sheets?

=ISOWEEKNUM(DATE(2027,4,19)) returns 16. To go the other way, =DATE(2027,1,4)-WEEKDAY(DATE(2027,1,4),2)+1+(16-1)*7 returns the Monday, April 19, 2027.