The days of the week are: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. When we write the days of the week, we always use a capital letter. Common nouns are the names of things. These don't use a capital letter unless they are at the start of a sentence.

Should you capitalize weekdays?

Capitalization: The Days of the Week, the Months of the Year, and Holidays (But Not the Seasons Used Generally) Days, months, and holidays are always capitalized as these are proper nouns. Seasons aren't generally capitalized unless they're personified. The maid comes on Tuesdays and Fridays .

Does Sunday need to be capitalized?

Months (January, February) and days of the week (Sunday, Monday) are also treated as proper nouns. Seasons and the numbers of the days of the months are not. Also, names of school subjects (math, algebra, geology, psychology) are not capitalized, with the exception of the names of languages (French, English).