年表調べるのが面倒で…元号3つ分打っただけですがこちらよければ何にでもお使いください。
＜1926年～2040年 s=昭和 h=平成 r=令和＞
1926(12/26～) s1
1927 s2
1928 s3
1929 s4
1930 s5
1931 s6
1932 s7
1933 s8
1934 s9
1935 s10
1936 s11
1937 s12
1938 s13
1939 s14
1940 s15
1941 s16
1942 s17
1943 s18
1944 s19
1945 s20
1946 s21
1947 s22
1948 s23
1949 s24
1950 s25
1951 s26
1952 s27
1953 s28
1954 s29
1955 s30
1956 s31
1957 s32
1958 s33
1959 s34
1960 s35
1961 s36
1962 s37
1963 s38
1964 s39
1965 s40
1966 s41
1967 s42
1968 s43
1969 s44
1970 s45
1971 s46
1972 s47
1973 s48
1974 s49
1975 s50
1976 s51
1977 s52
1978 s53
1979 s54
1980 s55
1981 s56
1982 s57
1983 s58
1984 s59
1985 s60
1986 s61
1987 s62
1988 s63
1989 s64 (1/8～)h1
1990 h2
1991 h3
1992 h4
1993 h5
1994 h6
1995 h7
1996 h8
1997 h9
1998 h10
1999 h11
2000 h12
2001 h13
2002 h14
2003 h15
2004 h16
2005 h17
2006 h18
2007 h19
2008 h20
2009 h21
2010 h22
2011 h23
2012 h24
2013 h25
2014 h26
2015 h27
2016 h28
2017 h29
2018 h30
2019 h31(5/1～)r1
2020 r2
2021 r3
2022 r4
2023 r5
2024 r6
2025 r7
2026 r8
2027 r9
2028 r10
2029 r11
2030 r12
2031 r13
2032 r14
2033 r15
2034 r16
2035 r17
2036 r18
2037 r19
2038 r20
2039 r21
2040 r22
