Kiribati, a country in Oceania comprising 32 atolls and reef islands and one raised coral island, observes three time zones, ranging from UTC+12:00 to +14.
Gilbert was west of the international dateline and the Phoenix and Line Islands were east of it.
[11] To solve it, the government of Kiribati introduced a change of date for its eastern half on 31 December 1994,[12] from time zones UTC−11:00 and UTC−10:00 to UTC+13:00 and UTC+14:00.
[13] The revision of Kiribati's time zone meant that the international date line in effect moved 1,000 kilometers (620 mi) eastwards to go around this country, so that the Line Islands, including the inhabited Kiritimati island, started the year 2000 on its territory before any other country on Earth, a feature the Kiribati government capitalised on as a potential tourist draw.
Data below is for Kiribati directly from zone.tab of the IANA time zone database.