Upgrading tzdata 2022 to 2023
Review needed2022.7 → 2023.4New1Changed12Fixed2Other4
Review neededUpgrade verdict
12 behavior changes.
In plain terms
- People in Ittoqqortoormiit, Greenland will switch to a different time zone on 2024-03-31, matching the rest of Greenland, so their clocks will not jump forward that spring as they used to.
- The time zone for Vostok, Antarctica is now +05, and past records are corrected to show it was +07 rather than +06.
- The time zone history for Casey, Antarctica is corrected, adding five changes since 2020, and its current offset is +08 rather than +11.
- Lebanon's daylight saving time rules are changed back to how they were in the 2023a release, because the country's schedule was unpredictable.
Must act Nothing to change
No breaking, platform, security or deprecated items in this range.
Nothing in this upgrade needs a code or configuration change.