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Diffstat (limited to 'src/timezone/README')
| -rw-r--r-- | src/timezone/README | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/timezone/README b/src/timezone/README index 5204ccba854..564f8e0e75f 100644 --- a/src/timezone/README +++ b/src/timezone/README @@ -11,3 +11,9 @@ from Since time zone rules change frequently in some parts of the world, we should endeavor to update the data files before each PostgreSQL release. + +At each update, we should check if time zone offsets have changed. +Just search for the current or previous year and see what has changed. +Sometimes a country changes its time zone offsets, for example Georgia +in 2004. Just grepping in the zic database files for 2004 is enough to +spot such a change. Then the files under tznames/ should be updated. |