today
n. uncountablen. the present day or the time we are living in right now. It can mean this specific 24-hour period or the general modern era.
n. the current day or the present period of time. Often functions as a temporal deictic reference to the immediate 24-hour cycle.
Today is the first day of the summer holidays.
The newspaper reports that today will be the hottest day of the year so far.
While historians focus on the distant past, many social critics argue that the challenges of today require a completely new set of political tools.
From Middle English today, to-daie, todæig, from Old English tōdæġ, tō dæġe (“today”, literally “on [the/this] day, [this] day forward”), equivalent to to + day. Compare Saterland Frisian däälich (“today”), Dutch vandaag (“today”), Old Saxon hindag (“today”, literally “[this] day forward”), German Low German vandage, vandaag (“today”), Swedish i dag, idag (“today”).
Frequently functions as an adverb of time, but acts as a noun when serving as the subject or object of a sentence.