What Are the Capitalization Days of the Week Rules?

You may wonder whether you should use capital letters for the days of the week. In this article, we cover capitalization days of the week rules.

When you were in school, you were probably used to learning numerous grammar rule examples in class. For example, you probably know that you are supposed to capitalize the first word of a sentence, but you may use lowercase letters after the beginning of a sentence.

Even though there are tools that can help you, such as Grammarly, what do you need to know about capitalizing the first letter of a day of the week in the middle of a sentence? Are Spanish days such as Lunes, Martes, Viernes, or Sabado different from other specific days? 

When looking at worksheets, you should usually capitalize days of the week, months of the year, and holidays because they are proper nouns; however, seasons are usually not capitalized unless you are highlighting them specifically.

Learn more about the rules regarding capitalization days of the week below!

The Days of the Week Are Proper Nouns

Fortunately, the rules regarding the capitalization of the days of the week are relatively straightforward. You need to capitalize all proper nouns in the English language. For example, if you are talking to a specific person, you need to capitalize their name, as names are proper nouns.

You should think of the days of the week as the names of those specific days. Therefore, the days of the week are proper nouns, and you need to capitalize them accordingly. 

Regardless of whether the day of the week is the subject of your sentence or the object of your sentence, you always need to capitalize it. It doesn’t matter where proper nouns fall in a sentence, you need to make sure they are capitalized. You might also be interested in our capitalization after semicolons explainer.

Capitalization Days of the Week Rules

Even though there are rules for when certain terms should be capitalized in a sentence, you need to capitalize the name of a day of the week no matter where it falls. This includes:

• If you place a day of the week at the beginning of your sentence, then the first letter of that day of the week needs to be capitalized because it is a proper noun, and it is the first term of the sentence.
• If your sentence has a proper noun, such as someone’s name, then it needs to be capitalized. This includes the days of the week, which are proper nouns. 
• If your day of the week is the first letter following a colon, that needs to be capitalized. Just as you capitalize any other word that immediately follows a colon, you need to capitalize the days of the week as well. 
• If you have a day of the week that follows a semicolon, then it needs to be capitalized. Even though common nouns might not be capitalized following semicolons, your days of the week are proper nouns. Therefore, they must be capitalized accordingly. 

Hopefully, these rules will help you navigate some of the rules regarding capitalizing days of the week. The most important thing to remember is that the days of the week are proper nouns. Because of this, they always need to be capitalized no matter where they fall in a sentence. 

A Few Examples of Days of the Week Used in a Sentence

It might also be helpful to look at a few examples of days of the week that are used in a sentence. These include: 

• Christmas is going to fall on a Monday this year.
• It would be helpful if Halloween fell on a Saturday so that we could stay out later trick or treating. 
• During the summer, the maid usually comes on Mondays and Fridays. 
• My favorite day of the week is Sunday because I can sit back and watch NFL football all day. 
• When I take days off from work, I usually try to take a Monday off for a Friday off because this makes it easier for me to create a long weekend. 
• When I go out with my friends, I usually like to go out on Friday nights because this is when the bars are the busiest. 
• When I was in college, I used to go to Thirsty Thursday a lot because they had excellent drink specials. 

These are a few examples of how the days of the week might be used in a sentence. Clearly, you should capitalize the days of the week no matter where they are located. This is important for making sure you write essays, blog posts, and articles correctly. 

The Top Tips For Learning Capitalization Rules For The Days Of The Week

Fortunately, it is relatively easy to learn the capitalization rules for the days of the week because the days of the week are proper nouns. As a result, you need to capitalize them no matter where they fall. A few tips to keep in mind if you are having trouble remembering these rules include: 

• The more you practice your capitalization rules, the better you are going to get at them. Remember that you need to capitalize proper nouns at all times.
• It may be helpful to use an automated grammar checking tool, such as Grammarly, that can check your work behind you. That way, you know you will always get them correct. 
• It could be useful to get another set of eyes on your work before you publish it. That way, you might be able to take a few suggestions into account.

These are a few of the top tips you might want to follow if you are having trouble remembering your capitalization rules. Even though there are a lot of new wants us to these rules, capitalization rules for the days of the week are simple. They are proper nouns, so they need to be capitalized at all times. You might also find our guide on is after capitalized in a title helpful.

Final Word on Capitalizing Days of the Week

In the end, you need to capitalize the days of the week no matter where you use them in a sentence. Because the days of the week are proper nouns, they always need to be capitalized. This includes whether they are in the middle of the sentence, at the beginning of the sentence, or placed at the end. 

If you are having a difficult time remembering these rules, you should remember that days of the week need to be treated like the months of the year and holidays. Just as you capitalize the months of the year and the holidays, you also need to capitalize the days of the week. 

Need help with fixing capitalization issues in your sentences? A good grammar checker is ideal. It’ll help you find and fix odd capitalization issues fast.

To find out more, read our Grammarly review. If you liked this post, you might also be interested in our explainer on the capitalization of seasons.

FAQs About Capitalizing Days of the Week