Setting Maximum Day
The Maximum day is usually calculated using calendar days.
In other words, if today is 12/30 and you want to set the Maximum day to the 5, then 1/4 will be the Maximum day. 
- 12/30: Day 0
 - 12/31: Day 1
 - 1/1: Day 2 (Minimum day)
 - 1/2: Day 3
 - 1/3: Day 4
 - 1/4: Day 5 (Maximum day)
 
App settings screen
online shop
However, if your business is closed from December 28th to January 4th due to year-end and New Year holidays, the Maximum day will be shorter than the Mnimum day, and there will be no delivery dates to choose from.
- 
12/30: - Closed
 - 
12/31: - Closed
 - 
1/1: - Closed
 - 
1/2: - Closed
 - 
1/3: - Closed
 - 
1/4: - Closed day (Day 5, so Maximum day)
 - 
1/5: Day 0
 - 
1/6: Day 1
 - 
1/7: Day 2 (Minimum day)
App settings screen 
online shop
By turning on “Calculate Maximum day from Minimum day”, you can calculate the Maximum day from the Minimum day.
- 
12/30: - Closed
 - 
12/31: - Closed
 - 
1/1: - Closed
 - 
1/2: - Closed
 - 
1/3: - Closed
 - 
1/4: - Closed
 - 
1/5: Day 0
 - 
1/6: Day 1
 - 
1/7: Day 2 (Minimum day) The Minimum day is the Day 0 of the Maximum day calculation
 - 
1/8: Day 1
 - 
1/9: Day 2
 - 
1/10: Day 3
 - 
1/11: Day 4
 - 
1/12: Day 5 (Maximum day)
App settings screen 
online shop