diff --git a/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/RootResource.java b/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/RootResource.java
index a283374205..ae333581be 100644
--- a/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/RootResource.java
+++ b/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/RootResource.java
@@ -26,6 +26,7 @@ import javax.ws.rs.core.UriInfo;
 
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.openhab.core.i18n.LocaleProvider;
+import org.openhab.core.i18n.TimeZoneProvider;
 import org.openhab.core.i18n.UnitProvider;
 import org.openhab.core.io.rest.RESTConstants;
 import org.openhab.core.io.rest.RESTResource;
@@ -83,13 +84,15 @@ public class RootResource implements RESTResource {
     private final JaxrsServiceRuntime runtime;
     private final LocaleProvider localeProvider;
     private final UnitProvider unitProvider;
+    private final TimeZoneProvider timeZoneProvider;
 
     @Activate
     public RootResource(final @Reference JaxrsServiceRuntime runtime, final @Reference LocaleProvider localeProvider,
-            final @Reference UnitProvider unitProvider) {
+            final @Reference UnitProvider unitProvider, final @Reference TimeZoneProvider timeZoneProvider) {
         this.runtime = runtime;
         this.localeProvider = localeProvider;
         this.unitProvider = unitProvider;
+        this.timeZoneProvider = timeZoneProvider;
     }
 
     @GET
@@ -102,7 +105,7 @@ public class RootResource implements RESTResource {
         final Map<String, String> collectedLinks = new HashMap<>();
 
         final RuntimeDTO runtimeDTO = runtime.getRuntimeDTO();
-        final RootBean bean = new RootBean(localeProvider, unitProvider);
+        final RootBean bean = new RootBean(localeProvider, unitProvider, timeZoneProvider);
         for (final ApplicationDTO applicationDTO : runtimeDTO.applicationDTOs) {
             for (final ResourceDTO resourceDTO : applicationDTO.resourceDTOs) {
                 // We are using the JAX-RS name per convention for the link type.
diff --git a/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/beans/RootBean.java b/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/beans/RootBean.java
index ad837ca38b..c043c53b68 100644
--- a/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/beans/RootBean.java
+++ b/bundles/org.openhab.core.io.rest/src/main/java/org/openhab/core/io/rest/internal/resources/beans/RootBean.java
@@ -18,6 +18,7 @@ import java.util.List;
 import org.eclipse.jdt.annotation.NonNullByDefault;
 import org.openhab.core.OpenHAB;
 import org.openhab.core.i18n.LocaleProvider;
+import org.openhab.core.i18n.TimeZoneProvider;
 import org.openhab.core.i18n.UnitProvider;
 import org.openhab.core.io.rest.RESTConstants;
 
@@ -37,13 +38,16 @@ public class RootBean {
 
     public final String measurementSystem;
 
+    public final String timezone;
+
     public final RuntimeInfo runtimeInfo = new RuntimeInfo();
 
     public final List<Links> links = new ArrayList<>();
 
-    public RootBean(LocaleProvider localeProvider, UnitProvider unitProvider) {
+    public RootBean(LocaleProvider localeProvider, UnitProvider unitProvider, TimeZoneProvider timeZoneProvider) {
         this.locale = localeProvider.getLocale().toString();
         this.measurementSystem = unitProvider.getMeasurementSystem().getName();
+        this.timezone = timeZoneProvider.getTimeZone().toString();
     }
 
     public static class RuntimeInfo {