* Google Cloud (Cloud SQL for MySQL) (`r-run`: yes; but ["not guaranteed to provide up-to-date time settings"](https://cloud.google.com/sql/docs/mysql/known-issues))
* Google Cloud (Cloud SQL for MySQL) (`r-run`: yes; but ["not guaranteed to provide up-to-date time settings"](https://cloud.google.com/sql/docs/mysql/known-issues))
* (_Probably_) Amazon RDS-MySQL (There are old-google-cached forum posts which imply gradual evolution toward support. The current ["Local time zone" page](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_MySQL.html#MySQL.Concepts.LocalTimeZone) seems to affirm, but it doesn't specifically mention session-scoped timezones.)
* (_Probably_) Amazon RDS-MySQL (There are old-google-cached forum posts which imply gradual evolution toward support. The current ["Local time zone" page](https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_MySQL.html#MySQL.Concepts.LocalTimeZone) seems to affirm, but it doesn't specifically mention session-scoped timezones.)
* CiviHosting
* __Environments which have the ability to load timezones - but don't by default__
* __Environments which have the ability to load timezones - but don't by default__
* Azure MySQL (https://docs.microsoft.com/en-us/azure/mysql/howto-server-parameters#working-with-the-time-zone-parameter)
* Azure MySQL (https://docs.microsoft.com/en-us/azure/mysql/howto-server-parameters#working-with-the-time-zone-parameter)
* CentOS MySQL Packages (`mysql_tzinfo_to_sql`) (`r-run`: yes)
* CentOS MySQL Packages (`mysql_tzinfo_to_sql`) (`r-run`: yes)