Cool MateDuration vs Hours vs Period
When to use each in English, with meaning, register, and examples.
Duration
Top 2,000 (common)B2noun
Hours
Top 1,000 (very common)
Period
Top 1,000 (very common)A1noun
| Duration | Hours | Period | |
|---|---|---|---|
| Pronunciation | 🇬🇧 /["/djuˈreɪʃn/"]/🇺🇸 /["/duˈreɪʃn/"]/ | 🇬🇧 //aʊəz//🇺🇸 //aʊərz// | 🇬🇧 /["/ˈpɪəriəd/"]/🇺🇸 /["/ˈpɪriəd/"]/ |
| Meaning | The length of time something lasts. | A period of time equal to 60 minutes. | A length of time or the end of a sentence. |
| Example | The school was used as a hospital for the duration of the war. | There are twenty-four hours in a day. | We have a period for math today. |
| Register | Neutral | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | B2 | - | A1 |
| Part of speech | noun | noun | |
| Collocations | brief, short, limited, decrease, reduce, shorten, for the duration (of), of… duration, throughout the duration of | work hours, open hours, study hours, consulting hours, extra hours | extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, extended, lengthy, long, cover, span, begin, begin, commence, elapse, costume, furniture, after a period, during the period, throughout the period, the beginning of a period, the start of a period, the end of a period, heavy, light, menstrual, have, start, miss, start, stop, last, cramps, pains |
| Antonyms | moment, instant | moments, seconds, instants | moment, instant |
| Common mistakes | Confused with 'session', which refers to a specific meeting or period of activity., Using it incorrectly as a verb, e.g., 'to duration something.', Mixing it up with 'interval,' which refers to a break or pause rather than the length. | Confused with 'hour' vs 'hours' (singular vs plural)., Using 'hours' incorrectly with uncountable nouns., Omitting the word 'hours' when discussing time durations. | Confused with 'time period' as if it's one single word., Using 'period' instead of 'dot' when referring to a punctuation mark in some regions. |
| Usage notes | Commonly used in both formal and informal contexts. Refers to time periods, such as how long a movie is or how long an event lasts. Avoid using it in very casual conversations. | Use 'hours' to measure time in a general sense. Avoid using in very formal contexts; prefer 'hours' with numerical values for clarity. | Use 'period' when discussing time frames or in writing to indicate the end of a sentence. Avoid in very informal contexts or when discussing less standard uses like 'menstrual period' unless relevant. |
Frequently asked questions: Duration vs Hours vs Period
What's the difference between Duration, Hours, and Period?
Duration: The length of time something lasts. Hours: A period of time equal to 60 minutes. Period: A length of time or the end of a sentence.
Which is more advanced: Duration, Hours, and Period?
Duration is the highest level, at B2, on the CEFR scale.
Can you show an example of each?
Duration: The school was used as a hospital for the duration of the war. Hours: There are twenty-four hours in a day. Period: We have a period for math today.
Can I use Duration, Hours, and Period interchangeably?
Not always. Duration, Hours, and Period are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.