Kanton Island time zone history
The largest single move came on December 31, 1994, when clocks went forward 24 hours, from UTC−11 to UTC+13. Mean solar time at Kanton Island is about UTC−11:27, so the clock on UTC+13 runs a calendar day ahead of the sun, plus 27 minutes. The Kanton Island zone has changed its standard time twice since 1970, tied for the most among the 42 zones in Oceania.
UTC+13
Standard time is UTC+13 all year under the current rules.
Twice a new standard time since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| August 31, 1937 | First local time in the record | UTC−12 | numeric only |
| Since 1970 | |||
| October 1, 1979 | Standard time forward 1 hour | UTC−11 | numeric only |
| December 31, 1994 | Standard time forward 24 hours | UTC+13 | numeric only |
Also on UTC+13
Clocks next door since 1970
- Tokelau (734 km): same time except 9,768 days in 1970–1979 and 1994–2011.
- Samoa (1,229 km): same time except 11,562 days in 1970–1979 and 1994–2021.
- American Samoa (1,282 km): usually 24 hours behind; different on 9,130 days in 1970–1994.
- Kiritimati (1,680 km): usually 1 hour ahead; different on 3,561 days in 1970–1979 and 1994.
- Tarawa (1,762 km): usually 1 hour behind; different on 9,130 days in 1970–1994.
How it compares
On standard time, clocks in Kanton Island run 27 minutes ahead of local mean solar time.