Time Prepositions

à - "at" a specific time dans - not now but " in" a few minutes, a few days, etc. en - "in" the length of time it takes you to do something. en - "in " a month or a season (except Spring) depuis - "since" or "for" the length of time you have been doing something. (Use with the present tense) pour " during" or "for" a period of time (use with the passé composé) pour "for" the length of time you will be doing something in the future.