Translations:Documentation/HowTo/MigrateFromHSQLDB/7/en

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    The Migration Wizard does not manage to correctly migrate date fields, time fields, and date / time fields. This is because the HSQLDB works with local time zones. During the date-time migration, this suddenly turns into summer time values ​​that are 2 hours earlier, but only one hour in winter time. Dates are always advanced by one day, and so on. The following method helps to properly get the appropriate values ​​from the HSQLDB into the Firebird database, and then create time and date values ​​again: