What Does "i didn't know yesterday was your birthday" Mean?
Learn what "i didn't know yesterday was your birthday" means, when people say it, and how to use it naturally in English.
I didn't know yesterday was your birthday.
This is a way to explain that you did not know about someone's birthday, often as a prelude to apologizing.
From Under Her Control, Episode 12
When do people say this?
Scene Context
The speaker explains that they were unaware of the person's birthday being yesterday.
Usage Scenario
Use it when you forgot or did not know an important date and want to explain yourself. It can sound a bit defensive if said without an apology.
Better ways to say it
I didn't know it was your birthday yesterday.
I didn't know yesterday was your birthday.
Sorry, I didn't know it was your birthday.
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