So, in 5 minutes means either during 5 minutes or after 5 minutes . . . With respect to your paraphrase: during five minutes, during five weeks, etc are not idiomatic as is When using the preposition during with a number of time-units, you need a noun, the span, that comprises those time-units: "during a space of five minutes" or "during a brief respite of five weeks" or "during three weeks of the semester"
In the past few years Vs Over the past few years Which preposition goes better with the below statement? 1: In the past few years I have learnt a lot about super cars 2: Over the past few years I have learnt a lot about super cars
He {went has gone had gone} out 5 minutes ago He went out five minutes ago - is definitely better than using "has gone" You can also say: He stepped out five minutes ago - if you know that this person is coming back soon or He left 5 minutes ago
word choice - How to say that you are available - English Language . . . Setting everything else aside, I think that "from 3 till 5" should be " from 3 to 5 " or " between 3 and 5 " (my preference) And "every day" does not say anything at all about the hours when you are available, it only says the days on which you are available