(today/tomorrow/etc.) is a big day

You can say this when something important is going to happen on a certain day, like:

  • starting a new job
  • graduating from high school or university
  • getting married

You can use this phrase to talk about today, tomorrow, or another day:

Tomorrow's a big day.

Saturday is a big day.

And you can explain who the important event is happening for like this:

It's a big day for you.

This phrase appears in these lessons: