DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
---1900 to April 10, 1946
|
North Increasing
|
4/10/1946: 24 N 06
|
April 10, 1946 to November 13, 1987
|
North Decreasing
|
11/13/1987: 24 N 06
|
November 13, 1987 to October 11, 2030
|
South Increasing
|
10/11/2030: 23 S 47
|
DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
April 24, 1905 to September 2, 1944
|
North Decreasing
|
22 N 22
|
September 2, 1944 to October 23, 1986
|
South Increasing
|
22 S 21
|
October 30, 1986 to February 27, 2027
|
South Decreasing
|
22 S 21
|
DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
February 29, 1928 to March 10, 1951
|
North Increasing
|
23 N 40
|
March 10, 1951 to August 7, 1969
|
North Decreasing
|
23 N 40
|
August 7, 1969 to September 3, 1989
|
South Increasing
|
23 S 42
|
September 3, 1989 to February 1, 2012
|
South Decreasing
|
23 S 42
|
February 1, 2012 to March 4, 2034
|
North Increasing
|
23 N 42
|
DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
January 28, 1909 to May 3, 1916
|
North Increasing
|
22 N 47
|
May 3, 1916 to August 15, 1922
|
North Decreasing
|
22 N 47
|
August 15, 1922 to October 29, 1930
|
South Increasing
|
22 S 49
|
October 29, 1930 to March 8, 1938
|
South Decreasing
|
22 S 49
|
March 8, 1938 to May 9, 1945
|
North Increasing
|
22 N 51
|
May 9, 1945 to September 22, 1951
|
North Decreasing
|
22 N 51
|
September 22, 1951 to December 9, 1959
|
South Increasing
|
22 S 46
|
December 9, 1959 to December 3, 1967
|
South Decreasing
|
22 S 46
|
December 3, 1967 to June 7, 1974
|
North Increasing
|
22 N 45
|
June 7, 1974 to July 28, 1981
|
North Decreasing
|
22 N 45
|
July 28, 1981 to November 11, 1989
|
South Increasing
|
22 S 47
|
November 11, 1989 to February 20, 1997
|
South Decreasing
|
22 S 47
|
February 20, 1997 to April 15, 2004
|
North Increasing
|
22 N 49
|
April 15, 2004 to September 6, 2010
|
North Decreasing
|
22 N 49
|
September 6, 2010 to November 23, 2018
|
South Increasing
|
22 S 46
|
DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
October 9, 1921 to December 21, 1924
|
South Increasing
|
23 S 17
|
December 21, 1924 to February 2, 1928
|
South Decreasing
|
23 S 17
|
February 2, 1928 to March 10, 1931
|
North Increasing
|
23 N 28
|
March 10, 1931 to September 21, 1933
|
North Decreasing
|
23 N 28
|
Sept. 21, 1933 to December 6, 1936
|
South Increasing
|
23 S 20
|
December 6, 1936 to January 17, 1949
|
South Decreasing
|
23 S 20
|
January 17, 1949 to June 16, 1942
|
North Increasing
|
23 S 18
|
June 16, 1942 to September 3, 1945
|
North Decreasing
|
23 S 18
|
September 3, 1945 to November 20, 1948
|
South Increasing
|
23 S 23
|
November 20, 1948 to May 4, 1951
|
South Decreasing
|
23 S 23
|
May 4, 1951 to May 27, 1954
|
North Increasing
|
23 N 21
|
May 27, 1954 to August 20, 1957
|
North Decreasing
|
23 N 21
|
August 20, 1957 to November 1, 1960
|
South Increasing
|
23 S 26
|
November 1, 1960 to April 16, 1963
|
South Decreasing
|
23 S 26
|
April 16, 1963 to May 10, 1966
|
North Increasing
|
23 N 24
|
May 10, 1966 to July 30, 1969
|
North Decreasing
|
23 N 24
|
July 30, 1969 to October 8, 1972
|
South Increasing
|
23 S 29
|
October 8, 1972 to March 29, 1975
|
South Decreasing
|
23 S 29
|
March 29, 1975 to April 20, 1978
|
North Increasing
|
23 N 27
|
April 20, 1978 to July 11, 1981
|
North Decreasing
|
23 N 27
|
July 11, 1981 to September 17, 1984
|
South Increasing
|
23 S 30
|
September 17, 1984 to March 15, 1987
|
South Decreasing
|
23 S 30
|
March 15, 1987 to March 25, 1990
|
North Increasing
|
23 N 29
|
March 25, 1990 to October 22, 1992
|
North Decreasing
|
23 N 29
|
October 22, 1992 to September 11, 1996
|
South Increasing
|
23 S 24
|
September 11, 1996 to March 10, 1999
|
South Decreasing
|
23 S 24
|
March 10, 1999 to April 2, 2002
|
North Increasing
|
23 N 27
|
April 2, 2002 to October 4, 2004
|
North Decreasing
|
23 N 27
|
October 4, 2004 to December 22, 2007
|
South Increasing
|
23 S 15
|
December 22, 2007 to February 12, 2011
|
South Decreasing
|
23 S 15
|
February 12, 2011 to March 10, 2014
|
North Increasing
|
23 N 16
|
DATE / RANGE
|
Declination Cycle
|
Maximum declination
|
February 14, 1916 to July 20, 1936
|
North Increasing
|
18 N 10
|
July 20, 1936 to September 13, 1944
|
North Decreasing
|
18 N 10
|
September 13, 1944 to January 23, 1950
|
South Increasing
|
18 S 18
|
January 23, 1950 to February 19, 1966
|
South Decreasing
|
18 S 18
|
February 19, 1966 to July 28, 1986
|
North Increasing
|
18 N 11
|
July 28, 1986 to July 4, 1995
|
North Decreasing
|
18 N 11
|
July 4, 1995 to January 31, 2000
|
South Increasing
|
18 S 17
|
January 31, 2000 to April 13, 2015
|
South Decreasing
|
18 S 17
|