diff --git a/core/include/Common/DateUtils.h b/core/include/Common/DateUtils.h
index 7d80539..b185027 100644
--- a/core/include/Common/DateUtils.h
+++ b/core/include/Common/DateUtils.h
@@ -5,6 +5,10 @@
 
 #include <QDateTime>
 
+/// Format for datetimes
+const auto DATETIME_FORMAT = QStringLiteral("dd/MM/yyyy \nhh:mm:ss:zzz");
+const auto DATETIME_FORMAT_ONE_LINE = QStringLiteral("dd/MM/yyyy hh:mm:ss:zzz");
+
 /**
  * Utility class with methods for dates
  */
diff --git a/core/src/Variable/VariableModel.cpp b/core/src/Variable/VariableModel.cpp
index 490ebc8..be665ef 100644
--- a/core/src/Variable/VariableModel.cpp
+++ b/core/src/Variable/VariableModel.cpp
@@ -52,9 +52,6 @@ const auto COLUMN_PROPERTIES = QHash<int, ColumnProperties>{
     {UNIT_COLUMN, {QObject::tr("Unit")}},      {MISSION_COLUMN, {QObject::tr("Mission")}},
     {PLUGIN_COLUMN, {QObject::tr("Plugin")}}};
 
-/// Format for datetimes
-const auto DATETIME_FORMAT = QStringLiteral("dd/MM/yyyy \nhh:mm:ss:zzz");
-
 QString uniqueName(const QString &defaultName,
                    const std::vector<std::shared_ptr<Variable> > &variables)
 {
diff --git a/gui/src/Catalogue/CatalogueEventsModel.cpp b/gui/src/Catalogue/CatalogueEventsModel.cpp
index 5914d39..baae51d 100644
--- a/gui/src/Catalogue/CatalogueEventsModel.cpp
+++ b/gui/src/Catalogue/CatalogueEventsModel.cpp
@@ -48,11 +48,15 @@ struct CatalogueEventsModel::CatalogueEventsModelPrivate {
             case CatalogueEventsModel::Column::Name:
                 return event->getName();
             case CatalogueEventsModel::Column::TStart:
-                return nbEventProducts(event) > 0 ? DateUtils::dateTime(event->getTStart())
-                                                  : QVariant{};
+                return nbEventProducts(event) > 0
+                           ? DateUtils::dateTime(event->getTStart())
+                                 .toString(DATETIME_FORMAT_ONE_LINE)
+                           : QVariant{};
             case CatalogueEventsModel::Column::TEnd:
-                return nbEventProducts(event) > 0 ? DateUtils::dateTime(event->getTEnd())
-                                                  : QVariant{};
+                return nbEventProducts(event) > 0
+                           ? DateUtils::dateTime(event->getTEnd())
+                                 .toString(DATETIME_FORMAT_ONE_LINE)
+                           : QVariant{};
             case CatalogueEventsModel::Column::Product: {
                 auto eventProducts = event->getEventProducts();
                 QStringList eventProductList;
@@ -105,9 +109,11 @@ struct CatalogueEventsModel::CatalogueEventsModelPrivate {
             case CatalogueEventsModel::Column::Name:
                 return eventProduct->getProductId();
             case CatalogueEventsModel::Column::TStart:
-                return DateUtils::dateTime(eventProduct->getTStart());
+                return DateUtils::dateTime(eventProduct->getTStart())
+                    .toString(DATETIME_FORMAT_ONE_LINE);
             case CatalogueEventsModel::Column::TEnd:
-                return DateUtils::dateTime(eventProduct->getTEnd());
+                return DateUtils::dateTime(eventProduct->getTEnd())
+                    .toString(DATETIME_FORMAT_ONE_LINE);
             case CatalogueEventsModel::Column::Product:
                 return eventProduct->getProductId();
             case CatalogueEventsModel::Column::Tags:
diff --git a/gui/src/Catalogue/CatalogueEventsWidget.cpp b/gui/src/Catalogue/CatalogueEventsWidget.cpp
index 80e0fac..8386041 100644
--- a/gui/src/Catalogue/CatalogueEventsWidget.cpp
+++ b/gui/src/Catalogue/CatalogueEventsWidget.cpp
@@ -355,6 +355,7 @@ CatalogueEventsWidget::CatalogueEventsWidget(QWidget *parent)
     ui->treeView->setDragDropMode(QAbstractItemView::DragDrop);
     ui->treeView->setDragEnabled(true);
 
+
     connect(ui->btnTime, &QToolButton::clicked, [this](auto checked) {
         if (checked) {
             ui->btnChart->setChecked(false);
@@ -453,6 +454,10 @@ CatalogueEventsWidget::CatalogueEventsWidget(QWidget *parent)
                                                  QHeaderView::Interactive);
     ui->treeView->header()->resizeSection((int)CatalogueEventsModel::Column::Validation,
                                           VALIDATION_COLUMN_SIZE);
+    ui->treeView->header()->setSectionResizeMode((int)CatalogueEventsModel::Column::TStart,
+                                                 QHeaderView::ResizeToContents);
+    ui->treeView->header()->setSectionResizeMode((int)CatalogueEventsModel::Column::TEnd,
+                                                 QHeaderView::ResizeToContents);
     ui->treeView->header()->setSortIndicatorShown(true);
 
     connect(impl->m_Model, &CatalogueEventsModel::modelSorted, [this]() {
diff --git a/gui/src/Catalogue/CatalogueInspectorWidget.cpp b/gui/src/Catalogue/CatalogueInspectorWidget.cpp
index f213318..c24cbcc 100644
--- a/gui/src/Catalogue/CatalogueInspectorWidget.cpp
+++ b/gui/src/Catalogue/CatalogueInspectorWidget.cpp
@@ -28,6 +28,9 @@ CatalogueInspectorWidget::CatalogueInspectorWidget(QWidget *parent)
 
     impl->connectCatalogueUpdateSignals(this, ui);
     impl->connectEventUpdateSignals(this, ui);
+
+    ui->dateTimeEventTStart->setDisplayFormat(DATETIME_FORMAT);
+    ui->dateTimeEventTEnd->setDisplayFormat(DATETIME_FORMAT);
 }
 
 CatalogueInspectorWidget::~CatalogueInspectorWidget()
diff --git a/gui/src/Visualization/AxisRenderingUtils.cpp b/gui/src/Visualization/AxisRenderingUtils.cpp
index 7fa33f0..f5ce4cb 100644
--- a/gui/src/Visualization/AxisRenderingUtils.cpp
+++ b/gui/src/Visualization/AxisRenderingUtils.cpp
@@ -13,8 +13,6 @@ Q_LOGGING_CATEGORY(LOG_AxisRenderingUtils, "AxisRenderingUtils")
 
 namespace {
 
-const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss:zzz");
-
 /// Format for datetimes on a axis
 const auto DATETIME_TICKER_FORMAT = QStringLiteral("yyyy/MM/dd \nhh:mm:ss");
 
diff --git a/gui/src/Visualization/VisualizationMultiZoneSelectionDialog.cpp b/gui/src/Visualization/VisualizationMultiZoneSelectionDialog.cpp
index e625b52..aaf9161 100644
--- a/gui/src/Visualization/VisualizationMultiZoneSelectionDialog.cpp
+++ b/gui/src/Visualization/VisualizationMultiZoneSelectionDialog.cpp
@@ -4,7 +4,7 @@
 #include "Common/DateUtils.h"
 #include "Visualization/VisualizationSelectionZoneItem.h"
 
-const auto DATETIME_FORMAT = QStringLiteral("yyyy/MM/dd hh:mm:ss");
+const auto DATETIME_FORMAT_S = QStringLiteral("yyyy/MM/dd hh:mm:ss");
 
 struct VisualizationMultiZoneSelectionDialog::VisualizationMultiZoneSelectionDialogPrivate {
     QVector<VisualizationSelectionZoneItem *> m_Zones;
@@ -46,9 +46,9 @@ void VisualizationMultiZoneSelectionDialog::setZones(
         }
 
         auto range = zone->range();
-        name += DateUtils::dateTime(range.m_TStart).toString(DATETIME_FORMAT);
+        name += DateUtils::dateTime(range.m_TStart).toString(DATETIME_FORMAT_S);
         name += " - ";
-        name += DateUtils::dateTime(range.m_TEnd).toString(DATETIME_FORMAT);
+        name += DateUtils::dateTime(range.m_TEnd).toString(DATETIME_FORMAT_S);
 
         auto item = new QListWidgetItem(name, ui->listWidget);
         item->setSelected(zone->selected());
diff --git a/gui/ui/Catalogue/CatalogueEventsWidget.ui b/gui/ui/Catalogue/CatalogueEventsWidget.ui
index 355c5f1..8d23d9e 100644
--- a/gui/ui/Catalogue/CatalogueEventsWidget.ui
+++ b/gui/ui/Catalogue/CatalogueEventsWidget.ui
@@ -139,7 +139,6 @@
  </widget>
  <resources>
   <include location="../../resources/sqpguiresources.qrc"/>
-  <include location="../../resources/sqpguiresources.qrc"/>
  </resources>
  <connections/>
 </ui>