NO! A sandwich day is a weekday between holidays or weekends.
For example, May 4th can be a sandwich day if the 3rd is Sunday and the 5th is Children’s Day (an official holiday).
Schools and businesses sometimes take discretionary leaves on sandwich days.
This year, Chuseok holiday (Korean Thanksgiving Day) is three days long, starting on Thursday, September 28. And the holiday ends on Sunday (October 1). That’s four days off. In addition, two days after that, on October 3, is Gaecheonjeol (National Foundation Day).
If you can take Monday, October 2, off, that’s a whopping six days off for office workers!
So, could October 2 be Sandwich Day?
The government wants to designate October 2 as a temporary holiday (Sandwich Day). The proposal to designate a temporary holiday will be presented at the Cabinet meeting chaired by the President on August 29 and is expected to be finalized.