Time Zones

Line Islands Time (LINT)

UTC offset: +14:00
IANA identifier: Pacific/Kiritimati
Abbreviation: LINT
Population: approximately 7,000 (Kiritimati)
DST observed: No

The Line Islands operate at UTC+14:00, the most advanced time zone on Earth. Nowhere else in the world is further ahead. When it's midnight Sunday UTC, it's already 2:00 p.m. Monday on Kiritimati. The island starts Monday while most of the world is still finishing Sunday. Conversely, when Los Angeles (UTC-08:00 in winter) begins its Monday morning, Kiritimati is already at 10:00 p.m. Monday night - same calendar day but 22 hours ahead.

This extreme offset means the Line Islands are always the first populated land to enter each new day, each new year, and each new calendar event. The Kiribati government deliberately engineered this.

The 1994 Date Line Shift

The story of LINT is really the story of a political decision. When the Republic of Kiribati became independent in 1979, its territory straddled the International Date Line. The Gilbert Islands (including the capital Tarawa) were at UTC+12:00. But the Phoenix Islands and Line Islands, east of the date line, were at UTC-11:00 and UTC-10:00 respectively. This meant the nation spanned across the date line: half the country was on Monday while the other half was still on Sunday. Government offices in Tarawa couldn't call offices in Kiritimati on the same business day.

On December 31, 1994, Kiribati jumped its eastern islands forward across the date line. The Phoenix Islands moved to UTC+13:00 and the Line Islands to UTC+14:00. Nobody lost a day (the switch happened at year's end). The government explicitly noted the tourism marketing opportunity: Kiritimati would be the first land in the world to enter the year 2000.

The millennium effect worked. Journalists descended on Kiritimati on December 31, 1999, broadcasting sunrise to the world.

Kiritimati (Christmas Island)

The main populated island (not to be confused with Australia's Christmas Island in the Indian Ocean). Kiritimati is the world's largest atoll by land area: 388 square kilometers. It's mostly flat coral land barely above sea level, with enormous lagoons and salt flats in the interior.

Captain Cook arrived on Christmas Eve 1777, hence the name. The British conducted nuclear weapons tests here in the 1950s and 1960s (Operation Grapple). The US tested hydrogen weapons on the atoll in 1962 (Operation Dominic). Radiation effects on local populations and test personnel remain a source of concern.

Today the population is about 7,000, concentrated in four villages: London (the main settlement), Tabwakea, Banana, and Poland. Yes, there is a village called London on an atoll in the Pacific. The names were assigned by colonial administrators.

Economy

Fishing, copra, seaweed farming (for carrageenan production), and government employment. Tourism exists on a small scale, primarily game fishing (bonefish are the main draw) and birdwatching. The island hosts one of the world's largest seabird populations.

Infrastructure is minimal. One sealed road connects London to the airport. Power comes from diesel generators. Fresh water is collected from rain. Supply ships from Tarawa (3,200 km away) arrive periodically.

Climate Vulnerability

Like all of Kiribati, the Line Islands face existential threat from sea level rise. Maximum elevation on Kiritimati is about 13 meters, but most of the atoll sits below 3 meters. Saltwater intrusion already affects freshwater lenses. The long-term habitability of these islands is uncertain.

The Rest of the Line Islands

The Line Islands chain extends over 2,350 km of ocean. Besides Kiritimati, the chain includes:

  • Tabuaeran (Fanning Island): ~2,500 people
  • Teraina (Washington Island): ~1,700 people
  • Starbuck, Malden, Caroline, Vostok, Flint: Uninhabited

The entire chain uses UTC+14:00. The uninhabited islands are wildlife reserves.

Scheduling Reality

Nobody really schedules business calls with the Line Islands in the conventional sense. The offset is so extreme that it challenges intuition. Some practical translations:

  • When it's 6:00 a.m. Monday on Kiritimati, it's noon Sunday in London
  • When New York starts work at 9:00 a.m. Monday (EST), it's 2:00 a.m. Tuesday on Kiritimati
  • Australia (AEST) is 4 hours behind

Communication with the capital Tarawa (UTC+12:00) is straightforward: Kiritimati is 2 hours ahead of Tarawa, same calendar day.

Neighboring Zones

Zone Offset Difference from LINT
Kiribati (Tarawa) UTC+12:00 2 hours behind
Tonga UTC+13:00 1 hour behind
Samoa UTC+13:00 1 hour behind
New Zealand (NZST) UTC+12:00 2 hours behind
Hawaii UTC-10:00 24 hours behind (previous day)
US East (EST) UTC-05:00 19 hours behind

Technical Identifiers

  • Pacific/Kiritimati (IANA canonical)
  • LINT (Line Islands Time)
  • Windows: "Line Islands Standard Time"
  • Military/aviation: M+2 (UTC+14:00)
  • Note: highest positive UTC offset in use

Quick Reference

Attribute Value
UTC offset +14:00 (world's highest)
DST observed No
IANA zone Pacific/Kiritimati
Population ~7,000 (Kiritimati)
Main settlement London village
Part of Republic of Kiribati
Date line shift December 31, 1994
Nuclear history UK and US testing (1950s-60s)
Largest atoll 388 sq km
First new year Yes (first land to enter each new day)