The phrase "a difference of two hours" is correct and usable in written English.
It can be used when discussing time zones, scheduling, or any situation where a time gap is relevant.
Example: "There is a difference of two hours between New York and Los Angeles."
Alternatives: "a two-hour gap" or "a two-hour discrepancy".
That is only a difference of three hours and 55 minutes to Chelsea's situation this month.
A Canadian study based on data from the year 1998, showed a difference of eight hours between working time in urban and rural areas [ 18].
We estimated that 35 patients in each group would be required to achieve 80% power; α=0.05 to detect a mean difference of four hours in the recovery time between the groups, assuming a mean recovery time of 10 hours (SD 2.5 hours) in the antivenom plus prazosin group and 14 (SD 3) hours for the prazosin alone group.
As a result of the time zone difference of three hours between the East and West coast, the total voting window between the first and last possible vote is 10.00 PM-3.00 AM EST.
Then, on January 13, I received another email saying that the outward flight had been rescheduled to leave at 16.40, a difference of nearly six hours.
In additional experiments in which guanidine or pepsin pre-treated samples were exposed to EDC/NHS for only 30 or 10 minutes, an adhesive strength between 58 and 56 kPa was observed, that is, there was no significant difference to the prolonged treatment of two hours.
Women tend to have earlier midpoints than men, he noted, a difference of up to two hours.
According to Roenneberg's most recent estimates, based on a database of more than sixty-five thousapproximatelypproximathirda third of the population suffers from extreme social jetlag — an average difference of over two hours between their natural waking time and their socially obligated one.
