The phrase "a time when themes" is correct and usable in written English.
It can be used when discussing specific periods or moments in which certain themes were prevalent or significant.
Example: "The 1960s was a time when themes of social change and civil rights dominated the cultural landscape."
Alternatives: "an era characterized by themes" or "a period marked by themes".
"It was a time when theme parks were employed as a way to promote the countryside," Mr. Komatsu said.
"Papa Don't Preach" (1986), for example, was a markedly pro-life, pro-motherhood message at a time when such themes were not especially popular.
But at a time when many theme shows are either obvious or obscure, nothing can be taken for granted; "Uniform" fulfills much of its rich potential.
LOS ANGELES — Ava DuVernay, the filmmaker and publicist, imagines a time when black-theme pictures will flourish in places where African-American film festivals have already found eager viewers.
Kenneth Kaunda, the President of Zambia, whose state was a vital source of support to South African liberation movements, drew laughter by repeatedly referring to Afrikaners as "Boers", a word not considered suitable in the politically correct lexicon at a time when the theme is one of reconciliation and forgiving the past.
"I don't remember a time when the theme of using my body and sexuality was not there," Skollie said. .
Over the years, he staged his works in many companies throughout the world at a time when his social themes and passionate statements were more in fashion.
Daniels' film is currently driving all before it at the US box office at a time when civil rights themes are in the forefront of people's minds following the Trayvon Martin case and the 50th anniversary of Martin Luther King's "I Have a Dream" speech.
Anyway, there was a time when having three theme entries in a puzzle was considered plenty, but there has been a more recent trend toward cramming the grid as full of as much theme material as possible.
At a time when the common theme is geared on "occupying," it is difficult to fathom why there is such an intense focus on politics, money, or content (SOPA), that takes priority over the fundamental understanding of the meaning of life and our most basic of needs: harmonious co-existence.
