When Does the Film "Frost/Nixon" (2008) Take Place?
"Frost/Nixon" is a historical fiction film written by Peter Morgan [adapting "Frost/Nixon" (2006) by Peter Morgan] that released December 5th, 2008. So when is "Frost/Nixon" set?
It takes place in the years:
We know this because its prologue includes a time setting title card over the footage depicting the real-world resignation speech of United States of American President Richard M. Nixon accurately establishing the date as "August 8, 1974". So this opening must be in August of 1974 AD. The film then jumps to the main plot and, once the conflict of the upcoming interview is established, a place and time setting title card appears that reads "New York City - 1976" over footage depicting the hiring of researchers. We know this happened in the real world in May of 1976 AD based on the account of one of the men hired to assist David Frost conduct these interviews, James Reston Jr.

1976 AD - 1977 AD
We know this because its prologue includes a time setting title card over the footage depicting the real-world resignation speech of United States of American President Richard M. Nixon accurately establishing the date as "August 8, 1974". So this opening must be in August of 1974 AD. The film then jumps to the main plot and, once the conflict of the upcoming interview is established, a place and time setting title card appears that reads "New York City - 1976" over footage depicting the hiring of researchers. We know this happened in the real world in May of 1976 AD based on the account of one of the men hired to assist David Frost conduct these interviews, James Reston Jr.
However, the majority of the film depicts the taping of the famous interviews between Frost and former President Nixon that began recording on March 23rd, 1977 AD.