diff --git a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/job/CalculateCountdownJob.java b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/job/CalculateCountdownJob.java
new file mode 100644
index 0000000..0590fe7
--- /dev/null
+++ b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/job/CalculateCountdownJob.java
@@ -0,0 +1,48 @@
+package com.axelor.apps.qvm.job;
+
+import com.axelor.exception.service.TraceBackService;
+import com.axelor.inject.Beans;
+import java.util.List;
+import org.quartz.Job;
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.quartz.SchedulerException;
+import com.axelor.apps.qvm.service.QvmOperationService;
+import com.axelor.apps.qvm.service.QvmOperationServiceImpl;
+public class CalculateCountdownJob implements Job {
+    private final Logger log = LoggerFactory.getLogger(CalculateCountdownJob.class);
+
+    @Override
+    public void execute(JobExecutionContext context) throws JobExecutionException{
+
+        if (isRunning(context)) {
+            return;
+        }
+
+        try{
+            log.debug("Calculating operation countdown ...");
+            Beans.get(QvmOperationServiceImpl.class).updateAllCountdowns();
+        }catch(Exception e){
+            log.error("Error while operation countdown");
+            TraceBackService.trace(e);
+        }
+
+    }
+
+    private boolean isRunning(JobExecutionContext context) {
+        try {
+            return context
+                    .getScheduler()
+                    .getCurrentlyExecutingJobs()
+                    .stream()
+                    .anyMatch(
+                            j ->
+                                    j.getTrigger().equals(context.getTrigger())
+                                            && !j.getFireInstanceId().equals(context.getFireInstanceId()));
+        } catch (SchedulerException e) {
+            return false;
+        }
+    }
+}
diff --git a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationService.java b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationService.java
index 88c6727..652569b 100644
--- a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationService.java
+++ b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationService.java
@@ -39,4 +39,7 @@ public interface QvmOperationService {
   @Transactional
   public QvmOperation createNextOperation(QvmOperation operation, Long userId)
       throws AxelorException;
+
+  @Transactional
+  public void updateAllCountdowns()throws AxelorException;
 }
diff --git a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationServiceImpl.java b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationServiceImpl.java
index 5d5439f..47d276b 100644
--- a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationServiceImpl.java
+++ b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/service/QvmOperationServiceImpl.java
@@ -28,10 +28,13 @@ import com.axelor.i18n.I18n;
 import com.axelor.inject.Beans;
 import com.google.inject.Inject;
 import com.google.inject.persist.Transactional;
+
+import java.time.LocalDate;
 import java.util.List;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import com.axelor.apps.qvm.exception.IExceptionMessage;
+import java.time.temporal.ChronoUnit;
 
 public class QvmOperationServiceImpl implements QvmOperationService {
 
@@ -152,4 +155,27 @@ public class QvmOperationServiceImpl implements QvmOperationService {
     System.out.println("Create next operation : "+nextOperation);
     return nextOperation;
   }
+
+  @Transactional
+  public void updateCountdown(QvmOperation operation, LocalDate today) {
+    if (operation.getOperationDate() != null) {
+
+      LocalDate operationDate = operation.getOperationDate();
+      int daysBetween = (int) ChronoUnit.DAYS.between(today, operationDate);
+      operation.setCountdown(daysBetween);
+      qvmOperationRepo.save(operation);
+    }
+  }
+
+  public void updateAllCountdowns() {
+    List<QvmOperation> operations = qvmOperationRepo.all()
+            .filter("self.operationDate IS NOT NULL AND self.statusSelect = :status")
+            .bind("status", 2)
+            .fetch();
+    LocalDate today = LocalDate.now();
+    for (QvmOperation operation : operations){
+      System.out.println("operation : "+operation);
+      updateCountdown(operation,today);
+    }
+  }
 }
diff --git a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/web/QvmOperationController.java b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/web/QvmOperationController.java
index e9ef93e..3b292a5 100644
--- a/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/web/QvmOperationController.java
+++ b/modules/axelor-open-suite/axelor-qvm/src/main/java/com.axelor/apps.qvm/web/QvmOperationController.java
@@ -165,4 +165,14 @@ public class QvmOperationController {
       throw e;
     }
   }
+
+  public void updateCountdowns(ActionRequest request, ActionResponse response) {
+    try {
+      Beans.get(QvmOperationService.class).updateAllCountdowns();
+    } catch (AxelorException e) {
+      TraceBackService.trace(e);
+      response.setError(e.getMessage());
+    }
+    response.setFlash("Countdowns updated successfully");
+  }
 }