diff --git a/core/include/Data/SqpDateTime.h b/core/include/Data/SqpDateTime.h
index a6d1aa4..af1ad77 100644
--- a/core/include/Data/SqpDateTime.h
+++ b/core/include/Data/SqpDateTime.h
@@ -9,6 +9,11 @@ struct SqpDateTime {
     double m_TStart;
     /// End time
     double m_TEnd;
+
+    bool contains(const SqpDateTime &dateTime)
+    {
+        return (m_TStart <= dateTime.m_TStart && m_TEnd >= dateTime.m_TEnd);
+    }
 };
 
 #endif // SCIQLOP_SQPDATETIME_H
diff --git a/core/include/Variable/Variable.h b/core/include/Variable/Variable.h
index 8fe4e5c..cead7ff 100644
--- a/core/include/Variable/Variable.h
+++ b/core/include/Variable/Variable.h
@@ -19,7 +19,8 @@ class QString;
  */
 class Variable {
 public:
-    explicit Variable(const QString &name, const QString &unit, const QString &mission);
+    explicit Variable(const QString &name, const QString &unit, const QString &mission,
+                      const SqpDateTime &dateTime);
 
     QString name() const noexcept;
     QString mission() const noexcept;
diff --git a/core/include/Variable/VariableModel.h b/core/include/Variable/VariableModel.h
index 140a02a..490f43b 100644
--- a/core/include/Variable/VariableModel.h
+++ b/core/include/Variable/VariableModel.h
@@ -1,11 +1,14 @@
 #ifndef SCIQLOP_VARIABLEMODEL_H
 #define SCIQLOP_VARIABLEMODEL_H
 
-#include <Common/spimpl.h>
+
+#include <Data/SqpDateTime.h>
 
 #include <QAbstractTableModel>
 #include <QLoggingCategory>
 
+#include <Common/spimpl.h>
+
 Q_DECLARE_LOGGING_CATEGORY(LOG_VariableModel)
 
 class IDataSeries;
@@ -21,11 +24,13 @@ public:
     /**
      * Creates a new variable in the model
      * @param name the name of the new variable
+     * @param dateTime the dateTime of the new variable
      * @param defaultDataSeries the default data of the new variable
      * @return the pointer to the new variable
      */
     std::shared_ptr<Variable>
-    createVariable(const QString &name, std::unique_ptr<IDataSeries> defaultDataSeries) noexcept;
+    createVariable(const QString &name, const SqpDateTime &dateTime,
+                   std::unique_ptr<IDataSeries> defaultDataSeries) noexcept;
 
     // /////////////////////////// //
     // QAbstractTableModel methods //
diff --git a/core/src/Variable/Variable.cpp b/core/src/Variable/Variable.cpp
index a4a1830..19aa36d 100644
--- a/core/src/Variable/Variable.cpp
+++ b/core/src/Variable/Variable.cpp
@@ -6,8 +6,13 @@
 Q_LOGGING_CATEGORY(LOG_Variable, "Variable")
 
 struct Variable::VariablePrivate {
-    explicit VariablePrivate(const QString &name, const QString &unit, const QString &mission)
-            : m_Name{name}, m_Unit{unit}, m_Mission{mission}, m_DataSeries{nullptr}
+    explicit VariablePrivate(const QString &name, const QString &unit, const QString &mission,
+                             const SqpDateTime &dateTime)
+            : m_Name{name},
+              m_Unit{unit},
+              m_Mission{mission},
+              m_DateTime{dateTime},
+              m_DataSeries{nullptr}
     {
     }
 
@@ -19,8 +24,9 @@ struct Variable::VariablePrivate {
     std::unique_ptr<IDataSeries> m_DataSeries;
 };
 
-Variable::Variable(const QString &name, const QString &unit, const QString &mission)
-        : impl{spimpl::make_unique_impl<VariablePrivate>(name, unit, mission)}
+Variable::Variable(const QString &name, const QString &unit, const QString &mission,
+                   const SqpDateTime &dateTime)
+        : impl{spimpl::make_unique_impl<VariablePrivate>(name, unit, mission, dateTime)}
 {
 }
 
@@ -55,4 +61,14 @@ IDataSeries *Variable::dataSeries() const noexcept
 void Variable::onXRangeChanged(SqpDateTime dateTime)
 {
     qCInfo(LOG_Variable()) << "onXRangeChanged detected";
+
+    if (!impl->m_DateTime.contains(dateTime)) {
+        // The current variable dateTime isn't enough to display the dateTime requested.
+        // We have to update it to the new dateTime requested.
+        // the correspondant new data to display will be given by the cache if possible and the
+        // provider if necessary.
+        qCInfo(LOG_Variable()) << "NEW DATE NEEDED";
+
+        impl->m_DateTime = dateTime;
+    }
 }
diff --git a/core/src/Variable/VariableController.cpp b/core/src/Variable/VariableController.cpp
index 78102c6..8dc74ba 100644
--- a/core/src/Variable/VariableController.cpp
+++ b/core/src/Variable/VariableController.cpp
@@ -95,7 +95,7 @@ void VariableController::createVariable(const QString &name,
     /// in sciqlop
     auto dateTime = impl->m_TimeController->dateTime();
     if (auto newVariable = impl->m_VariableModel->createVariable(
-            name, generateDefaultDataSeries(*provider, dateTime))) {
+            name, dateTime, generateDefaultDataSeries(*provider, dateTime))) {
 
         // store in cache
         impl->m_VariableCacheController->addDateTime(newVariable, dateTime);
diff --git a/core/src/Variable/VariableModel.cpp b/core/src/Variable/VariableModel.cpp
index 25edb92..8325ee6 100644
--- a/core/src/Variable/VariableModel.cpp
+++ b/core/src/Variable/VariableModel.cpp
@@ -26,15 +26,15 @@ VariableModel::VariableModel(QObject *parent)
 }
 
 std::shared_ptr<Variable>
-VariableModel::createVariable(const QString &name,
+VariableModel::createVariable(const QString &name, const SqpDateTime &dateTime,
                               std::unique_ptr<IDataSeries> defaultDataSeries) noexcept
 {
     auto insertIndex = rowCount();
     beginInsertRows({}, insertIndex, insertIndex);
 
     /// @todo For the moment, the other data of the variable is initialized with default values
-    auto variable
-        = std::make_shared<Variable>(name, QStringLiteral("unit"), QStringLiteral("mission"));
+    auto variable = std::make_shared<Variable>(name, QStringLiteral("unit"),
+                                               QStringLiteral("mission"), dateTime);
     variable->addDataSeries(std::move(defaultDataSeries));
 
     impl->m_Variables.push_back(variable);