Yes, the phrase "The moment I met Peter" is grammatically correct. It refers to a specific point in time when the speaker first encountered or was introduced to someone named Peter.
Here are a few ways to rephrase it:
1. "When I first met Peter"
2. "The time I met Peter"
3. "At the moment I met Peter"
4. "As soon as I met Peter"
The phrase often implies that something significant or memorable occurred at that moment or that it had a lasting