How do you say today is going good in french?

There are a few ways to say "today is going good" in French, depending on the level of formality and nuance you want to convey:

Informal:

* Ça va bien aujourd'hui. (This is the most common and natural way to say it.)

* J'ai une bonne journée. (This means "I'm having a good day.")

* Tout va bien pour moi aujourd'hui. (This literally means "Everything is going well for me today.")

Formal:

* La journée se déroule bien. (This is a more formal way to say "the day is going well.")

More specific:

* Je suis content(e) de ma journée. (This means "I'm happy with my day.")

* J'ai passé une bonne matinée/après-midi. (This means "I had a good morning/afternoon.")

You can choose the phrase that best suits the situation and your relationship with the person you're speaking to.