Customize clock format

simple/init.lua

@@ -192,7 +192,8 @@ os_menu = awful.widget.launcher({
 
 -- {{{ Wibar
 -- Create a textclock widget
-mytextclock = wibox.widget.textclock()
+main_clock = wibox.widget.textclock(" %F · %R ")
+utc_clock = wibox.widget.textclock(" %F · %T UTC  ¤ ", 1, "Z")
 
 -- Create a wibox for each screen and add it
 local taglist_buttons = gears.table.join(awful.button({}, 1, function(t) t:view_only() end),
@@ -336,7 +337,8 @@ awful.screen.connect_for_each_screen(function(s)
             matchesScreen(config.widgets.system_resources.battery.screens) and system_resources_widget.battery or nil,
             keyboard_layout_widget,
             wibox.widget.systray(),
-            mytextclock,
+            utc_clock,
+            main_clock,
             s.mylayoutbox,
             os_menu,
         },