The short answer is yes, Valentine’s Day is capitalized because it is a special date referring to a holiday. It also always has an apostrophe since it refers to the holiday celebrating St. Valentine.
You should capitalize all proper nouns in the English language. This includes all holidays and special events.
When can you lowercase Valentine’s Day?
Whenever you refer to the day itself, you must capitalize it, but if you use the word as an adjective to describe gifts, a greeting, or a person, you don’t need to capitalize it. Examples include:
- I bought her a valentine present; I hope she’ll like it.
- I got a valentine card from him today.
- Be my valentine.
To know what other words you should capitalize, try our free title capitalization tool.