update wiki pages

CHANGELOG.md

@@ -53,6 +53,8 @@ The sandbox cluster installation is running under the constant load generated by
 * FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): rename cmd-line flag `vm-native-disable-retries` to `vm-native-disable-per-metric-migration` to better reflect its meaning.
 * FEATURE: [vmctl](https://docs.victoriametrics.com/vmctl.html): add `-vm-native-src-insecure-skip-verify` and `-vm-native-dst-insecure-skip-verify` command-line flags for native protocol. It can be used for skipping TLS certificate verification when connecting to the source or destination addresses.
 * FEATURE: [Alerting rules for VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/deployment/docker#alerts): add `job` label to `DiskRunsOutOfSpace` alerting rule, so it is easier to understand to which installation the triggered instance belongs.
+* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): add `-vmui.defaultTimezone` flag to set a default timezone. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5375) and [these docs](https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui#timezone-configuration).
+* FEATURE: [vmui](https://docs.victoriametrics.com/#vmui): include UTC in the timezone selection dropdown for standardized time referencing. See [this issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5375).
 * FEATURE: add [VictoriaMetrics datasource](https://github.com/VictoriaMetrics/grafana-datasource) to docker compose environment. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5363).
 
 * BUGFIX: properly return errors from [export APIs](https://docs.victoriametrics.com/#how-to-export-time-series). Previously these errors were silently suppressed. See [this pull request](https://github.com/VictoriaMetrics/VictoriaMetrics/pull/5649).

Cluster-VictoriaMetrics.md

@@ -1444,6 +1444,8 @@ Below is the output for `/path/to/vmselect -help`:
      Network timeout for RPC connections from vmselect to vmstorage (Linux only). Lower values reduce the maximum query durations when some vmstorage nodes become unavailable because of networking issues. Read more about TCP_USER_TIMEOUT at https://blog.cloudflare.com/when-tcp-sockets-refuse-to-die/ . See also -vmstorageDialTimeout (default 3s)
   -vmui.customDashboardsPath string
      Optional path to vmui dashboards. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui/packages/vmui/public/dashboards
+  -vmui.defaultTimezone string
+     The default timezone to be used in vmui. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui#timezone-configuration
 ```
 
 ### List of command-line flags for vmstorage

README.md

@@ -3043,4 +3043,6 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
      Optional URL for proxying requests to vmalert. For example, if -vmalert.proxyURL=http://vmalert:8880 , then alerting API requests such as /api/v1/rules from Grafana will be proxied to http://vmalert:8880/api/v1/rules
   -vmui.customDashboardsPath string
      Optional path to vmui dashboards. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui/packages/vmui/public/dashboards
+  -vmui.defaultTimezone string
+     The default timezone to be used in vmui. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui#timezone-configuration
 ```

Single-server-VictoriaMetrics.md

@@ -3051,4 +3051,6 @@ Pass `-help` to VictoriaMetrics in order to see the list of supported command-li
      Optional URL for proxying requests to vmalert. For example, if -vmalert.proxyURL=http://vmalert:8880 , then alerting API requests such as /api/v1/rules from Grafana will be proxied to http://vmalert:8880/api/v1/rules
   -vmui.customDashboardsPath string
      Optional path to vmui dashboards. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui/packages/vmui/public/dashboards
+  -vmui.defaultTimezone string
+     The default timezone to be used in vmui. Timezone must be a valid IANA Time Zone. For example: America/New_York, Europe/Berlin, Etc/GMT+3 or Local. See https://github.com/VictoriaMetrics/VictoriaMetrics/tree/master/app/vmui#timezone-configuration
 ```