World Factbook Updates - January 20, 2012
from CIA Library
January 20, 2012 - In order to align their time zones more closely with their main trading partners, the Pacific island nations of Samoa and Tokelau late last year moved from east to west of the International Date Line. Their new time status may be found in The World Factbook in the Government section under the "Capital" entry.
https://www.cia.gov/library/publications/rss-updates/world-factbook-updates-january-20-2012.html