--- title: My Opinion on Run Time vs. Run-time vs. Runtime | daily.dev description: The author proposes a specific convention for spelling "runtime" variants: "runtime" (one word) for execution systems, "run-time" (hyphenated) for adjective... canonical: https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: My Opinion on Run Time vs. Run-time vs. Runtime | daily.dev og:description: The author proposes a specific convention for spelling "runtime" variants: "runtime" (one word) for execution systems, "run-time" (hyphenated) for adjective... og:url: https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz og:image: https://api.daily.dev/og/posts/DjVZLZ6ZZ.png og:image:alt: My Opinion on Run Time vs. Run-time vs. Runtime og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # My Opinion on Run Time vs. Run-time vs. Runtime **[Lobsters](https://daily.dev/sources/lobsters)** · 3 min read · 0 upvotes · 0 comments ## Summary The author proposes a specific convention for spelling "runtime" variants: "runtime" (one word) for execution systems, "run-time" (hyphenated) for adjective usage referring to the moment of execution, and "run time" (two words) for duration or non-adjective moment references. This differs from inconsistent industry style guides like Oxford and Google's, which conflate meanings. The author suggests using "execution time" instead of "run time" for duration when possible to reduce ambiguity. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [The kind of company I want to be a part of...](https://daily.dev/posts/the-kind-of-company-i-want-to-be-a-part-of--cjzgbhlxm) · Hacker News · 2 upvotes · 0 comments - [English: A vs An](https://daily.dev/posts/english-a-vs-an-g6h0hb0yr) · Programming Digest · 0 upvotes · 0 comments --- Tags: [#career](https://daily.dev/tags/career) [View this post on daily.dev](https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"My Opinion on Run Time vs. Run-time vs. Runtime","url":"https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz"},"datePublished":"2026-01-14T22:22:56.611Z","dateModified":"2026-01-14T22:23:14.544Z","description":"The author proposes a specific convention for spelling \"runtime\" variants: \"runtime\" (one word) for execution systems, \"run-time\" (hyphenated) for adjective...","image":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","thumbnailUrl":"https://media.daily.dev/image/upload/s--qPvKM23u--/f_auto/v1722860399/public/Placeholder%2009","isAccessibleForFree":true,"articleSection":"Lobsters","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Lobsters","logo":"https://media.daily.dev/image/upload/s--tl8v_Fku--/f_auto,t_logo/v1698841318/logos/lobste.jpg","url":"https://daily.dev/sources/lobsters"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/my-opinion-on-run-time-vs-run-time-vs-runtime-djvzlz6zz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"career","timeRequired":"PT3M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Lobsters","item":"https://daily.dev/sources/lobsters"},{"@type":"ListItem","position":3,"name":"My Opinion on Run Time vs. Run-time vs. Runtime"}]} ```