March 16 – March 22, 2026 · 2026-W12 · ~21% through 2026
Week Details
| Week number | 12 |
| Year | 2026 |
| ISO notation | 2026-W12 |
| Start date | Monday, March 16, 2026 |
| End date | Sunday, March 22, 2026 |
| Working days | 5 (Mon–Fri) |
| Year progress | 21% |
Days in This Week
Mon Today
Mar 16 Tue Today
Mar 17 Wed Today
Mar 18 Thu Today
Mar 19 Fri Today
Mar 20 Sat Today
Mar 21 Sun Today
Mar 22 All Weeks of 2026
Week 12 in Other Years
| Year | Start | End |
|---|---|---|
| 2027 | Mar 22, 2027 | Mar 28, 2027 |
Frequently Asked Questions
What dates are in week 12 of 2026?
Week 12 of 2026 starts on Monday, March 16, 2026 and ends on Sunday, March 22, 2026. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 12, 2026?
The ISO 8601 week date notation is 2026-W12. Individual days are written as 2026-W12-1 (Monday) through 2026-W12-7 (Sunday).
How far through 2026 is week 12?
Week 12 begins around day 75 of 365, which is approximately 21% through the year.