Samoa skipped December 30, 2011, when it moved to the western side of the International Date Line.
At the end of December 29, 2011, Samoa advanced its clocks and calendar by one day. The next date was December 31, so December 30 did not occur in Samoa that year. The government made the change to place Samoa on the same working week as key trading partners such as Australia and New Zealand.
Before the change, Samoa was on the eastern side of the International Date Line and was among the last places to begin a new calendar day. Afterward, it became one of the first places to reach the next day. The decision therefore changed the country's relationship to New Year's Eve as well as its business calendar.
Samoa's change is often confused with Kiribati's 1995 date-line adjustment. American Samoa, a separate United States territory, did not make the same switch at that time and remained on the opposite side of the date line.