The compound noun Labor Day is a proper noun, the name of a specific holiday.
A proper noun is the name or title of a specific person, place, or thing. A proper noun is always capitalized.
A common noun is a general word for any person, place, or thing. A common noun is capitalized only when it's the first word in a sentence.
Examples of common nouns for the proper noun Labor Day are day, holiday, celebration, etc.
The compound noun Labor Day is a proper noun, the name of a specific holiday.
Labor Day is the name of a holiday and thus, it's a proper noun.
The proper noun Labor Day does not have an adjective form. The noun Labor Day is used to describe another noun, a Labor Day picnic, a Labor Day trip, etc. When a noun is used to describe another noun it's called an attributive noun or a noun adjunct. The noun Labor Day can also be used in the possessive form to describe a noun, for example, Labor Day's activities, Labor Day's date, etc. The noun Labor Day is a proper noun because it is the name of a specific holiday. The word labor is a common noun or an adjective; the word day is a common noun or an adjective. Together, they are the name of the holiday and a proper noun.
Labor Day is a proper noun. It is a specific day.
Labor Day is a proper noun. It is a specific day.
The common noun for the proper noun Thursday is day.
The common noun for Sunday is day.
September is a PROPER noun. This is because it must be capitilized in a sentence. Names, months, holidays, weekdays, cities, and states are all proper nouns. Think of it this way: If you have to capitilize the first letter, its probably a proper noun.
It is a proper noun, as a Sunday is a specific day. Day would be a common noun, but Sunday or Sundays, its plural form, is a proper noun.
The common noun for the proper noun Presidents' Day is holiday.
The common nouns for the proper noun Tuesday are day and weekday.
A common noun for the proper noun Thursday could be "weekday."