hrs
n. countablen. a short way of writing the word 'hours'. You use this in notes, on signs, or in text messages to save space.
n. the standard plural abbreviation for 'hours'. Used primarily in informal writing, technical documentation, or on signage where space is limited.
The office is open 24 hrs a day.
The flight to Tokyo takes about 12 hrs from London, depending on the wind speed.
Please note that the laboratory results will be available within 48 hrs of the initial sample collection, provided no further testing is required.
Always plural; the singular form is 'hr'. Typically written without a full stop in modern British English, though American English may use 'hrs.' in formal contexts.
It takes three hr.It takes three hrs.When referring to more than one hour, the plural abbreviation 'hrs' must be used instead of the singular 'hr'.