National holidays and Main Celebrations for 2003:
| January | ||
|---|---|---|
| 01-01 | (wed) | New Year's Day |
| 19-01 | (sun) | Confederate Heroes' Day |
| 20-01 | (mon) | Civil Rights Day |
| 20-01 | (mon) | Martin Luther King Day |
| 27-01 | (mon) | International Holocaust Remembrance Day |
| February | ||
| 01-02 | (sat) | Black History Month |
| 02-02 | (sun) | Super Bowl Sunday |
| 14-02 | (fri) | Arizona Statehood Day |
| 17-02 | (mon) | Presidents' Day |
| Mars | ||
| 04-03 | (tus) | Mardi Gras (Fat Tuesday) |
| 05-03 | (wed) | Ash Wednesday |
08-03 | (sat) | Women International day |
| 09-03 | (sun) | Daylight Saving Time Starts |
| 17-03 | (mon) | Evacuation Day |
| 25-03 | (tus) | Maryland Day |
| 31-03 | (mon) | César Chávez Day |
| April | ||
| 13-04 | (sun) | Palm Sunday |
| 16-04 | (wed) | Emancipation Day |
| 17-04 | (thu) | Maundy Thursday (Holy Thursday) |
| 18-04 | (fri) | Good Friday |
| 19-04 | (sat) | Holy Saturday |
| 20-04 | (sun) | Easter Sunday |
| 21-04 | (mon) | San Jacinto Day |
| May | ||
| 04-05 | (sun) | Rhode Island Independence Day |
| 11-05 | (sun) | Mothers Day |
| 26-05 | (mon) | Jefferson Davis' Birthday (Mississipi) |
| 26-05 | (mon) | Memorial Day |
| 29-05 | (thu) | Ascension Day |
| June | ||
| 02-06 | (mon) | Jefferson Davis' Birthday (Alabama, State Holiday) |
| 03-06 | (tus) | Jefferson Davis' Birthday (Florida) |
| 08-06 | (sun) | Pentecost |
| 11-06 | (wed) | Kamehameha Day |
| 19-06 | (thu) | Corpus Christi |
| 19-06 | (thu) | Juneteenth |
| 20-06 | (fri) | West Virginia Day |
| July | ||
| 04-07 | (fri) | Independence Day |
| August | ||
| 10-08 | (sun) | Fathers Day |
| September | ||
| 01-09 | (mon) | Labor Day |
| 02-09 | (tus) | V-J Day |
| 07-09 | (sun) | Grandparents Day |
| 17-09 | (wed) | Constitution Day |
| October | ||
| 13-10 | (mon) | Columbus Day (Most places) |
| 18-10 | (sat) | Alaska Day (Holiday in Alaska) |
| 31-10 | (fri) | Halloween |
| November | ||
| 02-11 | (sun) | Daylight Saving Time Ends |
| 11-11 | (tus) | Veterans Day |
| 27-11 | (thu) | Thanksgiving Day |
| 28-11 | (fri) | Black Friday |
| December | ||
| 01-12 | (mon) | Cyber Monday |
| 07-12 | (sun) | National Pearl Harbor Remembrance Day |
| 24-12 | (wed) | Christmas Eve |
25-12 | (thu) | Christmas |
| 31-12 | (wed) | New Year's Eve |