Pour et Dans can both be used

Question

As I understand it, dans can also be used when the sentence implies a future action but not duration?

Accepted Answer

Bonjour Johnny,
No! not quite correct:-
https://www.wordreference.com/fren/dans
Dans (preposition) -- au cours de   --> Je ferai les courses dans la journée  --> I will do the shopping during the day.
Dans (preposition) -- d'ici  --> Nous sortons de cours dans deux heures --> We get out of class in two hours
Examples above of each situation in your query.
Bonne continuation.
Jim

Answer

Bonjour Johnny,To supplement Jim's answer, here's a link you might find useful:https://french.kwiziq.com/revision/grammar/talking-about-time-when-to-use-en-versus-dans-prepositions-of-timeI hope this is helpful.Bonne journée !

Answer

A few examples:Demain, tu devras prendre le petit-déjeuner en 10 minutes. -- Demain you'll have to have breakfast within 10 minutes.Tu dois prendre le petit-dejeuner dans 10 minutes. -- You have to take the breakfast in 10 minutes. This means you can start with breakfast in 10 minutes from now.