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Discover LudwigThe phrase "day prior" is correct and commonly used in written English.
It is typically used as a modifier to indicate that something happened the day before a specific event or time. Example: "The report was due on Friday, so I worked on it the day prior."
Exact(59)
Behavioral tests were conducted on eight successive days starting from the day prior to the operation.
You have to reconfirm your ticket at least one day prior to departure.
Their Gillette Cup semi-final against Yorkshire on Wednesday, the day prior, was rained off.
"These figures entered a shed adjoining the container which had been attacked the day prior.
One day prior to treatment, beagle dogs were infested with 50 unfed adult ticks.
Soil was allowed to equilibrate for 1 day prior test start.
Mice were shaved on the dorsal skin 1 day prior experimental procedures.
Delegates are still arriving right up until the day prior to the meeting.
MULLOY: That's a level one review that occurs one day prior to the launch.
Soil was freshly spiked 1 day prior each of the generations.
Similar(1)
The law requires three-day prior notice for protests.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com