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I'll complete the report within the hour.

If the time now is 2:50, I'm saying I'll get the report done before 3:00. Am I right? I would have an hour to finish the report if I said 'within an hour'. Is that right?

Thanks in advance!
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If you say "Within the hour" and it's 2:50, I'd assume you'd have it done within 60 minutes, or by 3:50. I would hear "the hour" as "the hour that starts now."

But I understand your reasoning. If someone said "by the end of the hour" I would think by 3.

However, this could be one of those things like "next Friday" in which a listener might hear a different meaning than the speaker's intention.
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#1 Not necessarily. You could be saying "It is now 2.50pm; I will complete within the hour - say, by 3.30pm." It is "within [the/a] hour from now".

#2 "I will finish the report within an hour" = it will take me about an hour to finish the report >> possibly an hour from now, possibly just indicating it will take an hour to do it.

The context of the use should make it clear what is meant.
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Thank you, Feebs and GG.
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I'll complete the report within the hour.
If the time now is 2:50, I'm saying I'll get the report done before 3:00. Am I right? I would have an hour to finish the report if I said 'within an hour'. Is that right?If it's any consolation to you, that's precisely how I would understand those expressions. Obviously, not everyone makes the same interpretations. Emotion: smile

CJ

Thank you, CalifJim. It does make me feel better Emotion: smile