Added timezone as a separate variable

redisson/src/main/java/org/redisson/RedissonExecutorService.java

@@ -815,7 +815,7 @@ public class RedissonExecutorService implements RScheduledExecutorService {
             throw new IllegalArgumentException("Wrong cron expression! Unable to calculate start date");
         }
         long startTime = startDate.getTime();
-        RemotePromise<Void> result = (RemotePromise<Void>) asyncScheduledServiceAtFixed.schedule(task.getClass().getName(), classBody, state, startTime, cronSchedule.getExpression(), executorId, null);
+        RemotePromise<Void> result = (RemotePromise<Void>) asyncScheduledServiceAtFixed.schedule(task.getClass().getName(), classBody, state, startTime, cronSchedule.getExpression().getCronExpression(),cronSchedule.getExpression().getTimeZone().getID(), executorId, null);
         addListener(result);
         RedissonScheduledFuture<Void> f = new RedissonScheduledFuture<Void>(result, startTime) {
             public long getDelay(TimeUnit unit) {

redisson/src/main/java/org/redisson/executor/RemoteExecutorService.java

@@ -34,6 +34,6 @@ public interface RemoteExecutorService {
     
     void scheduleWithFixedDelay(String className, byte[] classBody, byte[] state, long startTime, long delay, String executorId, String requestId);
 
-    void schedule(String className, byte[] classBody, byte[] state, long startTime, CronExpression cronExpression, String executorId, String requestId);
+    void schedule(String className, byte[] classBody, byte[] state, long startTime, String cronExpression, String timezone, String executorId, String requestId);
     
 }

redisson/src/main/java/org/redisson/executor/RemoteExecutorServiceAsync.java

@@ -38,6 +38,6 @@ public interface RemoteExecutorServiceAsync {
     
     RFuture<Void> scheduleWithFixedDelay(String className, byte[] classBody, byte[] state, long startTime, long delay, String executorId, String requestId);
 
-    RFuture<Void> schedule(String className, byte[] classBody, byte[] state, long startTime, CronExpression cronExpression, String executorId, String requestId);
+    RFuture<Void> schedule(String className, byte[] classBody, byte[] state, long startTime, String cronExpression, String timezone, String executorId, String requestId);
     
 }

redisson/src/main/java/org/redisson/executor/TasksRunnerService.java

@@ -40,6 +40,7 @@ import org.redisson.remote.ResponseEntry;
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.Date;
+import java.util.TimeZone;
 import java.util.concurrent.Callable;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.TimeUnit;
@@ -118,12 +119,14 @@ public class TasksRunnerService implements RemoteExecutorService {
     }
     
     @Override
-    public void schedule(String className, byte[] classBody, byte[] state, long startTime, CronExpression cronExpression, String executorId, String requestId) {
-        Date nextStartDate = cronExpression.getNextValidTimeAfter(new Date());
+    public void schedule(String className, byte[] classBody, byte[] state, long startTime, String cronExpression, String timezone, String executorId, String requestId) {
+        CronExpression expression = new CronExpression(cronExpression);
+        expression.setTimeZone(TimeZone.getTimeZone(timezone));
+        Date nextStartDate = expression.getNextValidTimeAfter(new Date());
         RFuture<Void> future = null;
         if (nextStartDate != null) {
             RemoteExecutorServiceAsync service = asyncScheduledServiceAtFixed(executorId, requestId);
-            future = service.schedule(className, classBody, state, nextStartDate.getTime(), cronExpression, executorId, requestId);
+            future = service.schedule(className, classBody, state, nextStartDate.getTime(), cronExpression, timezone, executorId, requestId);
         }
         try {
             executeRunnable(className, classBody, state, requestId);