Marshall Islands time zone history
The largest single move came on August 21, 1993, when clocks went forward 24 hours, from UTC−12 to UTC+12. On standard time, clocks at Kwajalein run 51 minutes ahead of local mean solar time, the third-largest gap of the 31 zones in Oceania whose clocks run ahead of the sun. The record holds 6 different UTC offsets, the most of the 7 zones on UTC+12 standard time.
UTC+12
Standard time is UTC+12 all year under the current rules.
Once a new standard time since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| January 1, 1901 | Local mean time (UTC+11:09:20) replaced | UTC+11 | numeric only |
| January 1, 1937 | Standard time back 1 hour | UTC+10 | numeric only |
| April 1, 1941 | Standard time back 1 hour | UTC+9 | numeric only |
| February 6, 1944 | Standard time forward 2 hours | UTC+11 | numeric only |
| October 1, 1969 | Standard time back 23 hours | UTC−12 | numeric only |
| Since 1970 | |||
| August 21, 1993 | Standard time forward 24 hours | UTC+12 | numeric only |
Also on UTC+12
Tarawa (Kiribati), Nauru, Fiji, Kamchatka (Russia), Auckland (New Zealand) and Anadyr (Russia).
Clocks next door since 1970
- Micronesia (637 km): usually 1 hour behind; different on 10,592 days in 1970–1998.
- Tarawa (Kiribati) (1,058 km): same time except 8,634 days in 1970–1993.
- Nauru (1,068 km): same time except 8,634 days in 1970–1993.
- Bougainville (Papua New Guinea) (2,144 km): usually 22 hours ahead; different on 12,186 days in 1993–2026; 1 hour behind today.
- Solomon Islands (2,216 km): usually 1 hour behind; different on 8,634 days in 1970–1993.