When is week 12?
Week 12 of 2027: Mar 22 – Mar 28
Mon, Mar 22 – Sun, Mar 28, 2027
Week 12 of 2026 ended on Sunday, March 22, 2026, so this is next year's. It starts in 173 days.
Week 12 of 2027 day by day
Week 12 of 2027 falls in March, in Q1. Its Monday is day 81 of 2027. In US-style numbering (weeks starting on Sunday, week 1 containing January 1, like WEEKNUM in Excel) that Monday is in week 13.
| Day | Date | Holidays and observances |
|---|---|---|
| Monday | March 22, 2027 | — |
| Tuesday | March 23, 2027 | — |
| Wednesday | March 24, 2027 | — |
| Thursday | March 25, 2027 | — |
| Friday | March 26, 2027 | Good Friday |
| Saturday | March 27, 2027 | — |
| Sunday | March 28, 2027 | Easter |
Week 12 by year
More week numbers
Frequently asked questions
When is week 12 of 2027?
From Monday, March 22, 2027 to Sunday, March 28, 2027.
How many days until week 12?
173 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.