It could be two weeks to base, instead of four days.

She finished looking spic and span instead of three days in the same clothes.

It seemed like we had two weeks off instead of two days.

I was going to keep her a week instead of only three days, but she lost her fight too fast.

"That cut looks like it's a week old instead of just two days."

To him, it seemed as if they had been at Starbase 209 for four months instead of four days.

Instead of seven days a week he came sometimes only four times, or five.

But spending two hours or so in the kitchen, instead of two days, is worth plenty.

The same Dusshera itself is celebrated here as a 12 day function instead of 9 days.

Personally I would leave it a week or two to ferment instead of four days.