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https://issues.apache.org/jira/browse/OFBIZ-12731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17653343#comment-17653343
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Daniel Watford commented on OFBIZ-12731:
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If we wait until java.time.ZoneId is available in the context this issue can be
solved by calling ZoneId#getDisplayName. However it doesn't appear that
ZoneId#getDisplayName allows for a daylight savings variant of a zone display
name to be produced.
> Time zones always displayed using their daylight savings display name
> ---------------------------------------------------------------------
>
> Key: OFBIZ-12731
> URL: https://issues.apache.org/jira/browse/OFBIZ-12731
> Project: OFBiz
> Issue Type: Bug
> Components: themes/helveticus, themes/rainbow
> Affects Versions: 18.12.06, 22.01.01
> Reporter: Daniel Watford
> Priority: Minor
>
> The timestamp displayed in the ofbiz footer will use the daylight savings
> display name variant, even when the current date is outside of the daylight
> savings period.
> See footer of [OFBiz: Katalogverwaltung:
> (apache.org).|https://demo-stable.ofbiz.apache.org/catalog/control/setSessionTimeZone?tzId=Europe/London]
> At time of writing this description we are in December. Daylight savings will
> not begin until March, but the timezone description is reported as British
> Summer Time.
> Similarly, on the ListTimezones page,
> [https://demo-stable.ofbiz.apache.org/catalog/control/ListTimezones,|https://demo-stable.ofbiz.apache.org/catalog/control/ListTimezones]
> we see that the 'Europe/London' timezone is also named as British Summer
> Time.
> The incorrect display of timezone names when outside of a daylight savings
> period is due to
> themes/[rainbowstone|flatgrey|helveticus]/template/<includes/>Footer.ftl and
> themes/common-theme/template/includes/ListTimezones.ftl.
> In these FTL file, there is a call to TimeZone#getDisplayName, passing a
> boolean to indicate whether the timezone name should refer to daylight
> savings. A true value is passed if the timezone is currently in a daylight
> savings period or will transition to daylight savings in future.
> The logic should be changed to test the current time to see if daylight
> savings is in effect and alter the call to TimeZone#getDisplayName
> accordingly.
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