How long does it take for Tom Nook to remodel his store?

Here is the list:

Nook's Cranny: Available at start.

Nook 'n Go: Spend 25,000 Bells worth of merchandise.

Nookway: Spend 65,000 Bells worth of merchandise.

Nookingtons: Spend 240,000 Bells and have a visiting friend buy something from Nook. Note: This version of the store includes a hair salon.