The phrase "a time when tiny" is grammatically correct and can be used in written English.
It can be used in contexts discussing moments or periods characterized by smallness or insignificance.
Example: "There was a time when tiny creatures ruled the earth, long before the age of dinosaurs."
Alternatives: "an era of small" or "a moment of little".
It's a time when this tiny hamlet on the tip of Cape Cod, best known for its sizable gay population and maritime tradition, seems to give itself over to nothing more than relaxing, casual dining and just general good times.
There was a time when most finger foods were tiny sandwiches or canapés.
But as the debate plays out, some advocates of aid say they are concerned that the problems that have surrounded aid efforts in the midst of United States military operations will taint the whole concept of civilian assistance at a time when foreign aid – while a tiny slice of government spending – is again in the sights of budget cutters.
There was a time when video games, much like the tiny computers that powered them, seemed like a passing fad.
At a time when most rockers are belligerently defending tiny niches, jam bands promise to keep a broad musical spectrum sound within earshot.
JILI, China — There was a time when clean water, mulberry trees and tiny, squirming, milky-white larvae made this village one of the most famous in all of China.
Tire problems were a factor in roughly one-tenth of the rollover deaths in Explorers during the 1990's, an unusually high proportion at a time when tire-related deaths were a tiny and dwindling share of traffic deaths.
Mr. Gorman had stayed with AOL because his friends were subscribers and he liked the feeling of "going to a tiny room" during a time when the Internet was growing so rapidly.
There is growing interest in charging as a way to help the NHS meet rising demand for healthcare at a time when it is likely to receive only tiny budget increases.
All those events have something in common other than high prices for commercial time: They are all broadcast live, part of a trend known as big-event television, which prizes programs that can attract large, involved audiences at a time when consumers have generally been atomized into tiny niche markets.
