Le mot anglais pour aujourd'hui est
today

Définition en anglais

today	©
1. adv. On the current day or date.
I want this done today.
Today, my brother went to the shops.
2. adv. In the current era; nowadays.
In the 1500s, people had to do things by hand, but today we have electric can openers.
3. n. A current day or date.
Today is the day we'll fix this once and for all.
4. n. (US, meteorology) From 6am to 6pm on the current day.