The word 'today' functions as an adverb and a noun. Examples:
Adverb: The auditor is expected today.
Noun: Today is the day of the audit. No.
Today is a noun in that sentence.
"Today" is an adverb. It is used to modify verbs, adjectives, or other adverbs by providing information about time.
An adverb.
It helps to turn it into a statement. It would then be: She is receiving visitors today. This would make she the subject.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
Second can be a noun ("I'll be with you in a second"). It can also be an adjective ("That is the second time today I have made that mistake.")
Adverb
Forecast can be used as a verb or a noun.Verb: Meteorologists forecast the weather.Noun: Today's forecast looks gloomy.