Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
hours of service
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hours of service" is correct and usable in written English.
It is typically used in contexts related to regulations or guidelines governing the amount of time a person can work or provide services, often in transportation or labor sectors. Example: "The trucking company must adhere to the federal regulations regarding hours of service to ensure driver safety."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
working hours
service duration
operational hours
period of service
community service hours
hours of video
hours of work
times of encouragement
times of recession
times of failure
times of trouble
scheduled hours
available hours
times of shortage
times of availability
times of abundance
the schedule
operating hours
periods of availability
times of lack
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
58 human-written examples
"We would lose hours of service".
News & Media
"Instead of cutting back hours of service, they should expand hours of service," he said.
News & Media
§ 398.6 Hours of service of drivers; maximum driving time.
Academia
But during the hours of service gloves are clumsy and dangerous.
News & Media
Hours of service include paid vacation and sick time, as well as things like jury duty.
News & Media
Alaska Airlines had been inspecting after about 4,700 hours of service.
News & Media
The plane was nearly new, with 238 hours of service, and 192 takeoffs and landings.
News & Media
"We had 17 million hours of service in 2008," Mr. Wray of IdleAire said.
News & Media
Cameron asks for a round of applause for her 800 hours of service.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
2 human-written examples
Cumulative hours-of-service requirements are allowed if they do not exceed 1,200 hours.
The 90-day waiting period may begin after the hours-of-service requirement is completed.
Expert writing Tips
Best practice
In technical contexts, specify the units of time (e.g., "40 hours of service per week") to avoid ambiguity.
Common error
Avoid using "hours of service" interchangeably with general working hours. "Hours of service" often refers to regulated timeframes in specific industries, whereas general working hours encompass broader work schedules.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hours of service" functions primarily as a noun phrase, often used to denote a specific duration or period during which services are rendered. It is frequently used in regulatory contexts, such as transportation and labor, as highlighted by Ludwig.
Frequent in
News & Media
36%
Academia
32%
Science
16%
Less common in
Wiki
7%
Formal & Business
7%
Social Media
2%
Ludwig's WRAP-UP
In summary, "hours of service" is a versatile noun phrase primarily used to specify the duration of service provision, often in regulatory or operational contexts. As Ludwig AI confirms, the phrase is grammatically correct and commonly used across various domains, including news, academia, and science. When using this phrase, it's important to consider the specific context to avoid ambiguity between regulated timeframes and general working hours. While alternatives like "service duration" or "working hours" exist, the precise choice depends on the intended meaning and audience. By understanding these nuances, writers can effectively communicate the intended duration and nature of services provided.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
service duration
Focuses on the length of time a service is provided.
service timetable
Emphasizes the schedule of when a service is available.
service schedule
Highlights the planned times for service delivery.
period of service
Refers to a continuous stretch of time during which service is given.
working hours
Denotes the time an employee spends at work.
time on duty
Focuses on the period someone is required to be working or available.
shift length
Refers to the duration of a single work shift.
community service hours
Specifies time spent doing unpaid work for the benefit of the community.
duty hours
Highlights the hours one is obligated to perform duties.
operational hours
Emphasizes the hours a facility or service is open and functioning.
FAQs
How is "hours of service" typically regulated in the trucking industry?
In the trucking industry, "hours of service" regulations limit the amount of time drivers can operate a vehicle to ensure safety and prevent fatigue. These regulations specify maximum driving time, required rest breaks, and total on-duty hours.
What does it mean when a business extends its "hours of service"?
When a business extends its "hours of service", it means they are increasing the amount of time they are open or available to provide services to customers. This can include longer daily hours, weekend availability, or 24/7 operation.
How do volunteer "hours of service" contribute to community recognition?
Volunteer "hours of service" are often tracked and recognized as a measure of community involvement and contribution. Many organizations and awards recognize individuals who dedicate a significant number of hours to volunteer activities.
What are some alternatives to the phrase "hours of service"?
Depending on the context, you can use alternatives like "service duration", "working hours", or "operational hours" to convey the same meaning. The best choice depends on whether you're emphasizing the length, employee time, or business availability.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested