"Quand" is the most common way to say "when", it's used in any context, formal or not
"Lorsque" is just more literary, but using "quand" instead isn't a mistake, nor even strange to see The opposite, using "lorsque" instead of "quand", isn't a mistake neither, but it may sometimes sound strange
Example: "Quand j'étais petit, je croyais que..." "Lorsque les étoiles seront alignées, la prophétie se réalisera" "Lorsque le roi monta au trône..." "Quand je mange..."
The Language Level symbol shows a user's proficiency in the languages they're interested in. Setting your Language Level helps other users provide you with answers that aren't too complex or too simple.
Has difficulty understanding even short answers in this language.
Can ask simple questions and can understand simple answers.
Can ask all types of general questions and can understand longer answers.
Can understand long, complex answers.
This answer was given within 60 minutes of the question being posted.
How do you say "Hello" in Korean? Find out on HiNative!