Meaning of today

(adv) in these times; "it is solely by their language that the upper classes nowadays are distinguished"- Nancy Mitford; "we now rarely see horse-drawn vehicles on city streets"; "today almost every home has television"

on this day as distinct from yesterday or tomorrow; "I can't meet with you today"

(noun) the present time or age; "the world of today"; "today we have computers"

the day that includes the present moment (as opposed to yesterday or tomorrow); "Today is beautiful"; "did you see today's newspaper?"