When is week 20?
Week 20 of 2027: May 17 – May 23
Mon, May 17 – Sun, May 23, 2027
Week 20 of 2026 ended on Sunday, May 17, 2026, so this is next year's. It starts in 229 days.
Week 20 of 2027 day by day
Week 20 of 2027 falls in May, in Q2. Its Monday is day 137 of 2027. In US-style numbering (weeks starting on Sunday, week 1 containing January 1, like WEEKNUM in Excel) that Monday is in week 21. No holidays or observances on our list fall in this week.
| Day | Date | Holidays and observances |
|---|---|---|
| Monday | May 17, 2027 | — |
| Tuesday | May 18, 2027 | — |
| Wednesday | May 19, 2027 | — |
| Thursday | May 20, 2027 | — |
| Friday | May 21, 2027 | — |
| Saturday | May 22, 2027 | — |
| Sunday | May 23, 2027 | — |
Week 20 by year
More week numbers
Frequently asked questions
When is week 20 of 2027?
From Monday, May 17, 2027 to Sunday, May 23, 2027.
How many days until week 20?
229 days, counting from today to Monday, the first day of the week.
Why can week 1 start in December?
ISO week 1 is the week containing the year's first Thursday, so it can begin as early as December 29 of the previous year.