The confusion usually arises when "when" is used as a conjunction to connect clauses, but even in this grammatical role, many modern style guides still recommend capitalization within the title if it is a significant part of the phrasing. Writers should always verify the specific guidelines of their target publication to ensure compliance.
Chicago Manual Style: When to Capitalize "When
The core challenge for writers lies in navigating the variations between style guides, such as AP for journalism and Chicago for academic publishing. This uniformity ensures a polished and credible appearance, allowing the content to be judged on its merit rather than its formatting inconsistencies.
If a writer decides to capitalize "when" in one instance, the same treatment should apply universally. Standard Capitalization Logic Most style guides agree on capitalizing the first and last words of a title, regardless of their part of speech.
Chicago Manual of Style: When to Capitalize "When
Equally important is capitalizing all major words, which typically include nouns, verbs, adjectives, adverbs, and pronouns. By identifying the major words that carry the weight of the subject and action, the writer can easily determine which elements require capitalization.
More About Should when be capitalized in a title
Looking at Should when be capitalized in a title from another angle can help expand the discussion and give readers a second clear paragraph under the same section.
More perspective on Should when be capitalized in a title can make the topic easier to follow by connecting earlier points with a few simple takeaways.