The phrase "a huge hit when" is correct and usable in written English.
It can be used to describe something that was very successful or popular at a specific time or event.
Example: "The movie was a huge hit when it was released last summer, breaking box office records."
Alternatives: "a major success when" or "a big success when".
Mary Harron's witty, opéra bouffe adaptation of Mr. Ellis's most satirical work wasn't a huge hit when it came out in 2000, but it has aged incredibly well.
The trend has yet to truly hit the UK (certainly outside London), but is likely to be a huge hit when it does.
But the Nuggets' dreams of a deep playoff run might have taken a huge hit when they lost forward Danilo Gallinari to what looked like a serious knee injury.
With 1982's Swamp Thing, Craven moved into directing big-budget films, and had a huge hit when he wrote and directed A Nightmare on Elm Street two years later.
We can probably assume that the Chainsmokers are familiar with "Over My Head" — it was a huge hit when Taggart and Pall were teen-agers — and that an average listener would not notice the similarity without being primed.
Huge chunks of it cleave to roughly the same musical template, set about three years ago, when French DJ and producer David Guetta unexpectedly broke into the US market, scoring a huge hit, When Love Takes Over, with former Destiny's Child singer Kelly Rowland and producing The Black Eyed Peas' equally massive I Gotta Feeling.
Back in 1951, the studio scored a huge hit with "When Worlds Collide," a campy thrill ride about the survival strategy devised when astronomers discover that a rogue planet is on a collision course with Earth.
Alabama's reputation has also taken a huge hit just when it is trying to lure international businesses.
Dallas was a huge hit three decades ago when it was shown on BBC1 as viewers were gripped by the rivalry between brothers JR and Bobby, played by Duffy.
Auf Wiedersehen, Pet was a huge hit earlier this year when it was brought back by the BBC, but ITV's one-off bid to revive Whatever Happened To The Likely Lads starring Ant and Dec was a disaster.
MASH was a huge hit – but when the storyline finally arrived at the end of the Korean war, they had to find a reason for Colonel Potter, Klinger and Father Mulcahy to team up back in the US.
