| Tue | Feb 5 | 1980 | Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 1981 | Constitution Day Memorial | National holiday |
| Fri | Feb 5 | 1982 | Constitution Day Memorial | National holiday |
| Sat | Feb 5 | 1983 | Constitution Day Memorial | National holiday |
| Sun | Feb 5 | 1984 | Constitution Day Memorial | National holiday |
| Tue | Feb 5 | 1985 | Constitution Day Memorial | National holiday |
| Wed | Feb 5 | 1986 | Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 1987 | Constitution Day Memorial | National holiday |
| Fri | Feb 5 | 1988 | Constitution Day Memorial | National holiday |
| Sun | Feb 5 | 1989 | Constitution Day Memorial | National holiday |
| Mon | Feb 5 | 1990 | Constitution Day Memorial | National holiday |
| Tue | Feb 5 | 1991 | Constitution Day Memorial | National holiday |
| Wed | Feb 5 | 1992 | Constitution Day Memorial | National holiday |
| Fri | Feb 5 | 1993 | Constitution Day Memorial | National holiday |
| Sat | Feb 5 | 1994 | Constitution Day Memorial | National holiday |
| Sun | Feb 5 | 1995 | Constitution Day Memorial | National holiday |
| Mon | Feb 5 | 1996 | Constitution Day Memorial | National holiday |
| Wed | Feb 5 | 1997 | Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 1998 | Constitution Day Memorial | National holiday |
| Fri | Feb 5 | 1999 | Constitution Day Memorial | National holiday |
| Sat | Feb 5 | 2000 | Constitution Day Memorial | National holiday |
| Mon | Feb 5 | 2001 | Constitution Day Memorial | National holiday |
| Tue | Feb 5 | 2002 | Constitution Day Memorial | National holiday |
| Wed | Feb 5 | 2003 | Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 2004 | Constitution Day Memorial | National holiday |
| Sat | Feb 5 | 2005 | Constitution Day Memorial | National holiday |
| Sun | Feb 5 | 2006 | Constitution Day Memorial | National holiday |
| Mon | Feb 5 | 2007 | Constitution Day Memorial | National holiday |
| Mon | Feb 4 | 2008 | Day off for Constitution Day Memorial | National holiday |
| Tue | Feb 5 | 2008 | Constitution Day Memorial | National holiday |
| Mon | Feb 2 | 2009 | Day off for Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 2009 | Constitution Day Memorial | National holiday |
| Mon | Feb 1 | 2010 | Day off for Constitution Day Memorial | National holiday |
| Fri | Feb 5 | 2010 | Constitution Day Memorial | National holiday |
| Sat | Feb 5 | 2011 | Constitution Day Memorial | National holiday |
| Mon | Feb 7 | 2011 | Day off for Constitution Day Memorial | National holiday |
| Sun | Feb 5 | 2012 | Constitution Day Memorial | National holiday |
| Mon | Feb 6 | 2012 | Day off for Constitution Day Memorial | National holiday |
| Mon | Feb 4 | 2013 | Day off for Constitution Day Memorial | National holiday |
| Tue | Feb 5 | 2013 | Constitution Day Memorial | National holiday |
| Mon | Feb 3 | 2014 | Day off for Constitution Day Memorial | National holiday |
| Wed | Feb 5 | 2014 | Constitution Day Memorial | National holiday |
| Mon | Feb 2 | 2015 | Day off for Constitution Day Memorial | National holiday |
| Thu | Feb 5 | 2015 | Constitution Day Memorial | National holiday |
