Upgrading tzdata 2020 to 2021
Review needed2020.5 → 2021.5Changed7Fixed17Other2
Review neededUpgrade verdict
7 behavior changes.
In plain terms
- People in Fiji will not change their clocks for daylight saving time in the 2021/2022 season, though this is expected to resume the following year.
- The time zone compiler's -r option now labels timestamps it cannot specify with "-00" instead of leaving them ambiguous.
- The timezone for that island is now called Pacific/Kanton; the old Pacific/Enderbury name still works as an alias.
- Some timezone names now share another location's data because their clocks match since 1970; pre-1970 history for the merged names may differ.
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.