1991 was a common year with 365 days. It starts on a Tuesday and ends on a Tuesday, and has 52 ISO weeks. There are 261 weekdays (Mon–Fri) and 104 weekend days; excluding the 10 US federal holidays that fall on weekdays, 1991 has about 251 working days.
| Fact | Value |
|---|---|
| Days | 365 |
| Leap year | No |
| Starts on | Tuesday |
| Ends on | Tuesday |
| ISO weeks | 52 |
| Weekdays (Mon–Fri) | 261 |
| US federal working days | 251 |
| Friday the 13ths | September, December |
| Chinese zodiac (from Lunar New Year) | Goat |
Key dates in 1991
| Holiday | Date |
|---|---|
| New Year’s Day | Tuesday, January 1, 1991 |
| Easter Sunday (Western) | Sunday, March 31, 1991 |
| Mother’s Day (US) | Sunday, May 12, 1991 |
| Father’s Day (US) | Sunday, June 16, 1991 |
| Memorial Day | Monday, May 27, 1991 |
| Labor Day (US) | Monday, September 2, 1991 |
| Halloween | Thursday, October 31, 1991 |
| Thanksgiving (US) | Thursday, November 28, 1991 |
| Christmas Day | Wednesday, December 25, 1991 |
Age if born in 1991
Someone born in 1991 turns 35 on their birthday in 2026 (and is 34 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.