to·day 
(tə-dā)
(tə-dā)n.
The present day, time, or age: "Today's shocks are tomorrow's conventions" (Carolyn Heilbrun).
adv.
1. During or on the present day.
2. During or at the present time.
adj.
Concerned with or relating to the present time: today issues; the today generation.
[Middle English to dai, from Old English tō dæge : tō, to; see TO + dæge, dative of dæg, day; see agh- in the Appendix of Indo-European roots.]