Add world-time-permissions configurable variable (false by default) that justifies whether /time should check for per world permissions. This was recommended by Khobbits as newbies might get confused by this feature.

Essentials/src/com/earth2me/essentials/ISettings.java

@@ -237,4 +237,6 @@ public interface ISettings extends IConf {
     boolean isMilkBucketEasterEggEnabled();
 
     boolean isSendFlyEnableOnJoin();
+    
+    boolean isWorldTimePermissions();
 }

Essentials/src/com/earth2me/essentials/Settings.java

@@ -1139,4 +1139,9 @@ public class Settings implements net.ess3.api.ISettings {
     @Override public boolean isSendFlyEnableOnJoin() {
         return config.getBoolean("send-fly-enable-on-join", true);
     }
+
+    @Override
+    public boolean isWorldTimePermissions() {
+        return config.getBoolean("world-time-permissions", false);
+    }
 }

Essentials/src/com/earth2me/essentials/commands/Commandtime.java

@@ -165,7 +165,8 @@ public class Commandtime extends EssentialsCommand {
     }
     
     private boolean canUpdateAll(User user) {
-        return user == null || user.isAuthorized("essentials.time.world.all");
+        return !ess.getSettings().isWorldTimePermissions() // First check if per world permissions are enabled, if not, return true. 
+            || user == null || user.isAuthorized("essentials.time.world.all");
     }
 
     private boolean canUpdateWorld(User user, World world) {

Essentials/src/config.yml

@@ -466,6 +466,11 @@ milk-bucket-easter-egg: true
 # Toggles whether or not the fly status message should be sent to players on join
 send-fly-enable-on-join: true
 
+# Set to true to enable per-world permissions for setting time for individual worlds with essentials commands.
+# This applies to /time, /day, /eday, /night, /enight, /etime.
+# Give someone permission to teleport to a world with essentials.time.world.<worldname>.
+world-time-permissions: false
+
 ############################################################
 # +------------------------------------------------------+ #
 # |                   EssentialsHome                     | #