within one hour of vs within one hour

Both phrases are correct, but they are used in slightly different contexts. 'Within one hour of' is used when referring to a specific point in time, while 'within one hour' is used when referring to a duration of time. They are not directly comparable as they serve different purposes.

Last updated: March 24, 2024 • 1918 views

This phrase is correct and commonly used when referring to a specific point in time.

"within one hour of"

This phrase is used to indicate that something will happen or should be done before one hour has passed from a particular time. It specifies a deadline or a point in time.

Examples:

Please submit your report within one hour of receiving this email.
The event will start within one hour of the scheduled time.
You must arrive at the airport within one hour of your flight departure.
The package should be delivered within one hour of placing the order.
The repair should be completed within one hour of the technician's arrival.

Show examples from the web [+]

The chelating efficacy is greatest immediately or within one hour of exposure when the radionuclide is circulating in or available to tissue fluids and plasma.
If not used within one hour of being obtained, MSM must be chilled immediately to a temperature of not more than 2ºC.
This occurred within one hour of the first infusion and was reversed within 30 minutes after the inhalation of nitric oxide.
In particular, severe hypoxemia with pulmonary hypertension was reported in 3 infants within one hour of the first infusion and was reversed within 30 min after start of inhaled nitric oxide therapy.
If the filters are not used within one hour of their removal from the weighing chamber they shall be re-weighed.
Within one hour of being refuelled the vehicle shall be placed, with the engine shut off, in the evaporative emission enclosure. The fuel tank temperature sensor is connected to the temperature recording system.
All providers of mobile telephony service operating in the visited country that have steering agreements with the home provider shall provide that information within one hour of the customer entering the visited Member State.
If not used within one hour of being obtained, MSM must be chilled immediately to a temperature of not more than 2 ºC.
If you forget to take XENICAL If you forget to take your medicine at any time, take it as soon as you remember provided this is within one hour of your last meal, then continue to take it at the usual times.
I have friends who can double your best offer... on deposit in Zurich... within one hour of delivery and confirmation.
The chelating efficacy is greatest immediately or within one hour of exposure when the radionuclide is circulating in or available to tissue fluids and plasma.
It puts him in the area within one hour of the first killing.
Maximum tenofovir concentrations are observed in serum within one hour of dosing in the fasted state and within two hours when taken with food.
QUICK TENDERS Quick tenders are normally executed within one hour of the announcement of the tender, with certification taking place immediately after the announcement of the allotment result.
Quick tenders are normally executed within one hour of the announcement of the tender, with certification taking place immediately after the announcement of the allotment result.

This phrase is correct and commonly used when referring to a duration of time.

"within one hour"

This phrase is used to indicate that something will happen or should be done within a period of one hour. It specifies a time frame or duration.

Examples:

The repair will be completed within one hour.
You should receive a response within one hour.
The food will be ready within one hour.
The meeting is expected to last within one hour.
The task should be finished within one hour.

Show examples from the web [+]

The peak plasma level occurs within one hour post administration.
After ZYPREXA Injection is made into a solution, use within one hour.
Quick tenders are normally executed within one hour from the announcement of the tender to certification of the allotment result.
Quick tenders are normally executed within one hour from the announcement of the tender to certification of the allotment result.
Chris Perez. Leaves Dulles for Toronto within one hour.
The chance of human survival will fall to 30 percent within one hour.
The deal was you had to kill Malloy within one hour.
I want to be inside the oval office within one hour.
All Jews were to gather within one hour... at a certain bazaar.
If you are not back here within one hour, your beautiful wife and children will not escape unscathed.
The chelating efficacy is greatest immediately or within one hour of exposure when the radionuclide is circulating in or available to tissue fluids and plasma.
Rats were dosed with anidulafungin at three dose levels and anesthetised within one hour using a combination of ketamine and xylazine.
Oral enalapril is rapidly absorbed, with peak serum concentrations of enalapril occurring within one hour.
EXP {month/ year} Use within one hour after reconstitution
A Member State may for reasons connected with national law require particularly urgent comparisons to be carried out within one hour.
If the filters are not used within one hour of their removal from the weighing chamber they shall be re-weighed.
A private plane within one hour to remove and bring you to an area he chooses.
Participants» final balances shall be established within one hour;
The mincing operations must be performed within one hour from the time when the meat enters the preparation room.
I will have the stolen valuables in the security office within one hour. What?

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within one hour of vs within one hour