Here’s a chart to explain the cultural beginnings and endings of every decade since the 1950s:
1950s:
Actual decade- 1950-1959
Absolute duration- 1946-1963
Prelude- 1946-1952
Zeitgeist- 1953-1959
Echo- 1960-1963
Quintessential years- 1954-57
1960s:
Actual decade- 1960-1969
Absolute duration- 1960-1972
Prelude- 1960-1963
Zeitgeist- 1964-1969
Echo- 1970-1972
Quintessential years- 1964-67
1970s:
Actual decade- 1970-1979
Absolute duration- 1969-1980
Prelude- 1969-1972
Zeitgeist- 1973-1977
Echo- 1978-1980
Quintessential years- 1974-76
1980s:
Actual decade- 1980-1989
Absolute duration- 1978-1991
Prelude- 1978-1980
Zeitgeist- 1981-1988
Echo- 1989-1991
Quintessential years- 1984-87
1990s:
Actual decade- 1990-1999
Absolute duration- 1989-2001
Prelude- 1989-1991
Zeitgeist- 1992-1997
Echo- 1998-2001
Quintessential years- 1994-96
2000s:
Actual decade- 2000-2009
Absolute duration- 1998-2010
Prelude- 1998-2001
Zeitgeist- 2002-2007
Echo- 2008-2010
Quintessential years- 2004-05
2010s:
Actual decade- 2010-2019
Absolute duration- 2008-present
Prelude- 2008-2010
Zeitgeist- 2011-present
Echo- TBD
Quintessential years- TBD
Absolute duration- The cultural beginnings and endings of a decade
Prelude- When a decade’s culture begins to take shape.
Zeitgeist- When a decade’s cultural influence is the norm.
Echo- When a decade’s cultural influence begins to fade.
Quintessential years- Years that best represent the decade.