One hour later

USAGE SUMMARY

The phrase "One hour later" is correct and usable in written English.
It can be used to indicate a specific time that has passed since a previous event or moment. Example: "The meeting started at 2 PM, and one hour later, we had made significant progress on the project."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

One hour later, he was gone".

The Guardian - Music

"One hour later he was caught again.

The Guardian - Music

One hour later Cameron announced his resignation as prime minister.

Encyclopedia Britannica

One hour later, Podesta's e-mails were released by WikiLeaks.

The New Yorker

One hour later, four of them were injected with penicillin.

The Guardian

One hour later, they spotted where they had gone wrong.

The Guardian

One hour later a second blood sample was collected.

Journal of the American Dietetic Association

One hour later they did some really boring tests.

BBC

One hour later they completed two tasks assessing visual attention, in counterbalanced order.

Pharmacology Biochemistry and Behavior

One hour later, rats were injected sc with 500 μg progesterone or vehicle (sesame seed oil).

Behavioural Brain Research

One hour later, blood samples were taken from the caudal plexus, using sterile syringes.

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology

Expert writing Tips

Best practice

Use "one hour later" to clearly indicate a sequence of events, ensuring the time difference is relevant to the narrative.

Common error

Avoid shifting tenses when using "one hour later". Ensure the verb tense in both the initial statement and the subsequent event are consistent for clarity.

Linguistic Context

The phrase "one hour later" functions as an adverbial phrase of time, modifying a verb or clause to indicate when an action occurred in relation to a previous event. This is evident from the Ludwig examples, where it consistently specifies a time interval.

Expression frequency: Very common

Frequent in

Science

48%

News & Media

43%

Encyclopedias

4%

Less common in

Wiki

3%

Formal & Business

1%

Social Media

1%

Ludwig's WRAP-UP

In summary, the phrase "one hour later" is a grammatically correct and very common adverbial phrase used to indicate a specific time interval between two events. Ludwig AI shows that this phrase is predominantly found in scientific and news & media contexts. When using "one hour later", ensure consistency in tense and that the time difference is relevant. For more formal alternatives, consider phrases like "an hour subsequently". The phrase's versatility and clear meaning make it a valuable tool for precise communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

An hour afterward

Replaces "later" with "afterward", maintaining the same meaning and temporal distance.

One hour after that

Adds "after that" for emphasis, highlighting the sequence of events more explicitly.

Sixty minutes subsequently

Substitutes "one hour" with its equivalent in minutes and uses a more formal adverb, creating a slightly more precise tone.

An hour subsequently

Employs "subsequently" instead of "later", adding a touch of formality while preserving the original meaning.

An hour from then

Uses "from then" to specify the point of reference, maintaining a similar level of informality.

In the following hour

Shifts the focus to the duration, emphasizing what occurs within that specific hour.

Within an hour's time

Emphasizes the timeframe involved, focusing on the span of an hour.

A short time after

Offers a less precise but functionally similar alternative, indicating a relatively brief interval.

Shortly thereafter

Replaces "one hour" with a less specific time frame and uses a more formal adverb.

One hour elapsed

Rephrases as a statement about the passage of time, rather than a direct temporal marker.

FAQs

How can I use "one hour later" in a sentence?

Use "one hour later" to show that something happened a specific amount of time after something else. For example, "The meeting started at 2 PM, and "one hour later", we had made significant progress."

What's a more formal way to say "one hour later"?

For a more formal tone, consider using phrases like "an hour subsequently" or "sixty minutes thereafter" instead of "one hour later".

Is it ever incorrect to use "one hour later"?

While grammatically correct, using "one hour later" might be redundant if the context already clearly implies a one-hour interval. In such cases, simply stating the subsequent event might be more concise.

Which is more accurate: "one hour later" or "an hour later"?

Both "one hour later" and "an hour later" are correct and generally interchangeable. The choice often depends on personal preference or stylistic considerations. If there is a need to stress the exact hour, you can prefer "one hour later".