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Discover LudwigThe phrase "as a single day" is correct and usable in written English.
It can be used to emphasize the duration or significance of an event or experience that feels condensed into one day.
Example: "The entire experience felt like it happened as a single day, with every moment packed with excitement and emotion."
Alternatives: "in just one day" or "within a single day".
Exact(14)
The U.S. government treats the first five days of the application process as a single day, and thus the H-1B visa window closed as quickly as it opened.
The age of the fish is stated as a single day postfertilization although, because the eggs were pooled over 3 days, the actual age may vary by up to an additional 48 hr.
In counting late days, a weekend (that is, Saturday and Sunday together), count as a single "day".
Weekends count as a single day for the purpose of computing penalties.
Our do-it-yourself week cost 1,200 Canadian dollars per person ($1,125, at the time) — about the same as a single day of heli-skiing.
When any single digital station produces as much variety and excellence as a single day in the life of Radio 3 or 4 I shall think again.
Similar(46)
Police confronted the protesters with force, as protests lasted for days, killing as many as 40 in a single day.
But Citigroup earned almost as much in a single day than Gabelli Asset Management netted all last year.
Only three jockeys did as well in a single day last season, and it has been five years since a boy had seven.
Mr. Mukasey said in court yesterday that the operation made as much as $11,000 in a single day.
Within a matter of hours, Vincent, with boyish ardor, was storming her by telephone and in letters sometimes as many as five in a single day.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com