Or some other phrase?
1 generally speaking, ordinarily
Měi Xīngqīyī shàngwǔ wǒmen yìbān dōu kāihuì.
We usually have a meeting every Monday morning.
Guifan defines this as:
3 形 占绝大多数的
占绝大多数的 can also include time here so there's no need to specifically emphasize 时间 unless you want/need to.
You can even opt for a 一般来说 if you're in the mood, which KEY defines as:
generally speaking, generally, by and large
and Guifan gives the following example sentence:
Which roughly translates to something like:
Usually, when it rains, he won't come.