2021 was a common year with 365 days. It starts on a Friday and ends on a Friday, and has 52 ISO weeks. There are 261 weekdays (Mon–Fri) and 104 weekend days; excluding the 11 US federal holidays that fall on weekdays, 2021 has about 250 working days.
| Fact | Value |
|---|---|
| Days | 365 |
| Leap year | No |
| Starts on | Friday |
| Ends on | Friday |
| ISO weeks | 52 |
| Weekdays (Mon–Fri) | 261 |
| US federal working days | 250 |
| Friday the 13ths | August |
| Chinese zodiac (from Lunar New Year) | Ox |
Key dates in 2021
| Holiday | Date |
|---|---|
| New Year’s Day | Friday, January 1, 2021 |
| Easter Sunday (Western) | Sunday, April 4, 2021 |
| Mother’s Day (US) | Sunday, May 9, 2021 |
| Father’s Day (US) | Sunday, June 20, 2021 |
| Memorial Day | Monday, May 31, 2021 |
| Labor Day (US) | Monday, September 6, 2021 |
| Halloween | Sunday, October 31, 2021 |
| Thanksgiving (US) | Thursday, November 25, 2021 |
| Christmas Day | Saturday, December 25, 2021 |
Age if born in 2021
Someone born in 2021 turns 5 on their birthday in 2026 (and is 4 before it). Use the age calculator for an exact age in years, months and days.
Need a span? Count the days between two dates, find the week number or day of the year.