2004 was a leap year with 366 days. It starts on a Thursday and ends on a Friday, and has 53 ISO weeks. There are 262 weekdays (Mon–Fri) and 104 weekend days; excluding the 10 US federal holidays that fall on weekdays, 2004 has about 252 working days.
| Fact | Value |
|---|---|
| Days | 366 |
| Leap year | Yes |
| Starts on | Thursday |
| Ends on | Friday |
| ISO weeks | 53 |
| Weekdays (Mon–Fri) | 262 |
| US federal working days | 252 |
| Friday the 13ths | February, August |
| Chinese zodiac (from Lunar New Year) | Monkey |
Key dates in 2004
| Holiday | Date |
|---|---|
| New Year’s Day | Thursday, January 1, 2004 |
| Easter Sunday (Western) | Sunday, April 11, 2004 |
| Mother’s Day (US) | Sunday, May 9, 2004 |
| Father’s Day (US) | Sunday, June 20, 2004 |
| Memorial Day | Monday, May 31, 2004 |
| Labor Day (US) | Monday, September 6, 2004 |
| Halloween | Sunday, October 31, 2004 |
| Thanksgiving (US) | Thursday, November 25, 2004 |
| Christmas Day | Saturday, December 25, 2004 |
Age if born in 2004
Someone born in 2004 turns 22 on their birthday in 2026 (and is 21 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.