once a year vs once per year

'Once a year' and 'once per year' are both correct, commonplace English phrases. They are interchangeable and convey the same meaning.

Explained by Gregg
Editor at TextRanch

Last updated: December 17, 2024 • 9776 views

This phrase is correct and commonly used in English.

"once a year"

This phrase means something that happens one time in a year. It is a common expression to indicate the frequency of an event happening annually.

Examples:

I go on vacation once a year.
The festival is held once a year.
We have a family reunion once a year.
The company conducts performance reviews once a year.
The flowers bloom once a year.

Show examples from the web [+]
Last updated: November 21, 2024

Sep 12, 2016 ... I've seen people using the phrase once a year but I wonder isn't it should be once in a year. Are they both the same and acceptable?
Monterey® Once a Year Insect Control II. $21.99 – $59.99. A systemic insecticide. One application controls insects for ...
Aug 12, 2022 ... 196 votes, 129 comments. Hello! Just curious…. Is it better to contribute once a month for cost averaging? Or to just do 6k once a year so ...
May 19, 2009 ... Once a year is also fine and as you suggest, slightly less formal. R · Rover_KE. Senior Member. Northwest England - near Blackburn, Lancashire.
Dec 18, 2017 ... I thought Christmas only comes once a year. · Comments Section · Community Info Section · More posts you may like.
Aug 26, 2015 ... Well any Christian would automatically understand that to be once a year. So he concluded that many churches in America practice communion ...
Nov 13, 2024 ... These are words and phrases related to once a year. Click on any word or phrase to go to its thesaurus page.
Dec 26, 2017 ... But, I can tell you that if it REALLY is “once a year”-you're all right. Now, technically, especially for a person who is not used to drinking, ...
Oct 15, 2024 ... After 21 years of doing once-a-year fundraisers for our Frontera Farmer Foundation, can I continue to say “This was the best one ever!”?
ServiceNow Community · Products · Now Platform · Workflow Automation · Workflow Automation forum; Trigger a flow on a specific day once a year.

Alternatives:

annually
every year
yearly
once annually
once every year

This phrase is correct and commonly used in English.

"once per year"

This phrase also means something that happens one time in a year. It is a formal way to express the frequency of an event occurring annually.

Examples:

The report is submitted once per year.
The subscription fee is paid once per year.
The medical check-up is done once per year.
The event is organized once per year.
The maintenance is scheduled once per year.

Show examples from the web [+]
Last updated: November 21, 2024

May 19, 2009 ... once per year, once a year, once in a year ; Olga_Olga · Lisbon. Russia - Russian, English, Portuguese · #1 ; manon33 · English - England (Yorkshire).
May 2, 2023 ... 22 votes, 62 comments. I get paid once per year which makes budgeting super important but how do I put the money in categories?
Jan 4, 2024 ... How do I run an automation once per year? ... Hey all. I'm new to automations. I want to run an automation on a specific date 15 March every year ...
Aug 22, 2016 ... They mean the same thing. Although "once per year" is grammatically correct. "Once a year" is often heard, but is a casual simplification.
Sep 5, 2024 ... my once per year post on r/winemaking: ~100 year old Lodi Zin. Grape pro. r ...
Feb 22, 2022 ... Once per year, every CEO should apply to a job at their own company under a different name to see how maddening the process is for ...
Note: Deactivating a primary console through the Shop Menu website can only be done once per year. If you have the primary console available, we recommend ...
Jan 2, 2018 ... ... once per year. Which blessings (from prayer, Jewish rituals, or otherwise, by men or women) are recited only once per year? Additionally ...
Jul 23, 2018 ... It would be nice if XenForo had an option to ask users once per year (maybe make this configurable) whether their email address is still valid.
Aug 5, 2024 ... Damon L. Preston (@damonlprestonky). 1 Reply. 3 Likes. Law graduates come on the market once per year generally (other than a few December ...

Alternatives:

annually
every year
yearly
once annually
once every year

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once a year vs once per year

"once a year"

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