Is 1 Jan 2019 a business day in Christmas Island?
No
Tuesday, 1 January 2019 is New Year's Day, a public holiday in Christmas Island. The next business day is Wednesday, 2 January 2019.
About this answer
A business day is a weekday that is not a public holiday in Christmas Island. The weekend is Saturday and Sunday.
Computed by Polystash from the holiday calendar for Christmas Island.