when به انگلیسی
From Longman Dictionary
when /wen/ ●●● S1 W1 adverb, conjunction, pronoun
at what time
در چه زمانی
at or during the time that something happens
در یا در طول زمانی که چیزی اتفاق می افتد
after or as soon as something happens
بعد یا به محض اینکه اتفاقی بیفتد
used to mention a type of event or situation when talking about what happens on occasions of that type
برای ذکر یک نوع رویداد یا موقعیت هنگام صحبت در مورد آنچه در مناسبت هایی از آن نوع اتفاق می افتد استفاده می شود
used to show which particular time or occasion you are talking about
برای نشان دادن اینکه در مورد کدام زمان یا مناسبت خاص صحبت می کنید استفاده می شود
even though something is true
حتی اگر چیزی درست باشد
used to introduce a fact or statement that makes something seem surprising
برای معرفی یک واقعیت یا جمله ای که چیزی را شگفت آور به نظر می رساند استفاده می شود
Example
When are you going to the store
Super Star Video’s tapes have all been packed up, waiting for the day when he finds a new location
Khrushchev may have been perspicacious enough to imagine the day when his turn would come and he would become Special Pensioner Khrushchev
And then there are the times when I say nothing
This comment was made in the early 1980s, around the time when sociolinguistic methods were undergoing some changes