The phrase "a half year event" is correct and usable in written English.
It can be used to describe an event that occurs once every six months or is related to a six-month period.
Example: "The company hosts a half year event to review progress and set goals for the next six months."
Alternatives: "semiannual event" or "biannual event".
We like the Cruise but don't really see a solution to its new status as a half-year event -- I don't think I can keep chili-dogs warm that long -- without poisoning somebody.
The superconducting gravimeter at Mizusawa Observatory, however, did not detect any gravity change associated with these fault slips, because the gravimeter was installed about a half year after the earthquake event, and the aseismic slip effect cannot be separated from the instrumental drift in the superconducting gravity data.
"We may be looking at a two- to two-and-a-half-year-long event.
A previous analysis of the number of events per day in Iraq also used a half year temporal window size [2].
Two and a half years after the event, she remembered it as if it were yesterday: the TV, the terrible news, the call home.
Two and a half years after the event, she remembered it as if it were yesterday: the TV, the terrible news, the call home.
Jasper's increase in violent crime took place during the five and a half years following the event.
Today GDELT has cataloged nearly half a billion news images spanning almost three and a half years of global events.
In the two and a half years since they occurred, the events of Sept. 11, 2001, have become so enmeshed in politics, speculation and debate that in looking back one can be distracted from the trauma of the terrorist attacks themselves.
But with just one and a half years to go before the showcase event, it has become increasingly clear that the target wouldn't be met.
"After two and a half years, it is not clear what events they are investigating," the governor, Aníbal Acevedo-Vilá, said in a telephone interview this week.
