diff --git a/src/View/ASubWindow.py b/src/View/ASubWindow.py
index a7b40c9f98ed8c35f77c6d357021de31f1a278c3..61a77987ef0ff4a0419e21831daf79549afbda0c 100644
--- a/src/View/ASubWindow.py
+++ b/src/View/ASubWindow.py
@@ -17,7 +17,7 @@ from PyQt5.QtWidgets import (
     QTimeEdit, QSpinBox, QTextEdit,
     QRadioButton, QComboBox, QFileDialog,
     QMessageBox, QTableView, QAction,
-    QDateTimeEdit,
+    QDateTimeEdit, QWidget,
 )
 from PyQt5.QtCore import (
     QTime, QDateTime,
@@ -409,7 +409,6 @@ class ASubMainWindow(QMainWindow, ASubWindowFeatures, WindowToolKit):
 
         return self.ui.findChild(qtype, name)
 
-
 class ASubWindow(QDialog, ASubWindowFeatures, WindowToolKit):
     def __init__(self, name="", ui="dummy", parent=None):
         super(ASubWindow, self).__init__(parent=parent)
@@ -439,3 +438,27 @@ class ASubWindow(QDialog, ASubWindowFeatures, WindowToolKit):
             qtype = self._qtype_from_component_name(name)
 
         return self.ui.findChild(qtype, name)
+
+class AWidget(QWidget, ASubWindowFeatures):
+    def __init__(self, ui="", parent=None):
+        super(AWidget, self).__init__(parent=parent)
+        self.ui = loadUi(
+            os.path.join(os.path.dirname(__file__), "ui", "Widgets", f"{ui}.ui"),
+            self
+        )
+        self.parent = parent
+
+    def find(self, qtype, name):
+        """Find an ui component
+
+        Args:
+            qtype: Type of QT component
+            name: Name for component
+
+        Returns:
+            return the component
+        """
+        if qtype is None:
+            qtype = self._qtype_from_component_name(name)
+
+        return self.ui.findChild(qtype, name)
diff --git a/src/View/BoundaryCondition/Edit/Plot.py b/src/View/BoundaryCondition/Edit/Plot.py
index 39af012c42fd95a7fa02c8af5448e4b2fb4dbb11..efb039e7e989c7dc20b73ba9cb1cbe8b33b9e2c5 100644
--- a/src/View/BoundaryCondition/Edit/Plot.py
+++ b/src/View/BoundaryCondition/Edit/Plot.py
@@ -1,5 +1,7 @@
 # -*- coding: utf-8 -*-
 
+from datetime import datetime
+
 from tools import timer, trace
 from View.Plot.APlot import APlot
 
@@ -19,6 +21,35 @@ class Plot(APlot):
             toolbar=toolbar
         )
 
+    def custom_ticks(self):
+        t0 = datetime.fromtimestamp(0)
+        nb = len(self.data.data)
+        mod = int(nb / 5)
+
+        fx = list(
+            map(
+                lambda x: x[1],
+                filter(
+                    lambda x: x[0] % mod == 0,
+                    enumerate(self.data.data)
+                )
+            )
+        )
+        xx = list(map(lambda v: v[0], fx))
+        xt = list(
+            map(
+                lambda v: str(
+                    datetime.fromtimestamp(v[0]) - t0
+                ).split(",")[0]\
+                .replace("days", _translate("BoundaryCondition", "days"))\
+                .replace("day", _translate("BoundaryCondition", "day")),
+                fx
+            )
+        )
+
+        self.canvas.axes.set_xticks(ticks=xx, labels=xt, rotation=45)
+
+
     @timer
     def draw(self):
         self.canvas.axes.cla()
@@ -38,6 +69,8 @@ class Plot(APlot):
             picker=30,
         )
 
+        self.custom_ticks()
+
         # Plot label
         header = self.data.header
         self.canvas.axes.set_xlabel(
@@ -65,6 +98,8 @@ class Plot(APlot):
 
         self._line.set_data(x, y)
 
+        self.custom_ticks()
+
         self.canvas.axes.relim()
         self.canvas.axes.autoscale()
         self.canvas.figure.tight_layout()
diff --git a/src/View/BoundaryCondition/Edit/Table.py b/src/View/BoundaryCondition/Edit/Table.py
index a068a247082ef6373b2942bc53fc0af2c09345c2..b6b5f36a8ac23f0d3a3f35df2009748f019be048 100644
--- a/src/View/BoundaryCondition/Edit/Table.py
+++ b/src/View/BoundaryCondition/Edit/Table.py
@@ -1,18 +1,21 @@
 # -*- coding: utf-8 -*-
 
+from datetime import date, time, datetime, timedelta
+
 from tools import trace, timer
 
-from View.ASubWindow import ASubMainWindow
+from View.ASubWindow import ASubMainWindow, AWidget
 from View.ListedSubWindow import ListedSubWindow
 
 from PyQt5.QtCore import (
     Qt, QVariant, QAbstractTableModel,
     QCoreApplication, QModelIndex, pyqtSlot,
-    QRect,
+    QRect, QTime,
 )
 
 from PyQt5.QtWidgets import (
-    QTableView, QAbstractItemView,
+    QTableView, QAbstractItemView, QSpinBox,
+    QTimeEdit, QItemDelegate,
 )
 
 from Model.BoundaryCondition.BoundaryConditionTypes import (
@@ -30,6 +33,79 @@ from View.BoundaryCondition.Edit.translate import *
 _translate = QCoreApplication.translate
 
 
+class ExtendedTimeEdit(AWidget):
+    def __init__(self, parent=None):
+        super(ExtendedTimeEdit, self).__init__(
+            ui="extendedTimeEdit",
+            parent=parent
+        )
+        self.parent = parent
+
+        self.spinBox_days = self.find(QSpinBox, "spinBox_days")
+        self.timeEdit = self.find(QTimeEdit, "timeEdit")
+
+    def set_time(self, time):
+        days = 0
+        stime = time
+
+        if "," in time:
+            s = time.strip().split(" ")
+            days = int(s[0])
+            stime = s[-1]
+
+        qtime = QTime.fromString(
+            stime,
+            "h:mm:ss"
+        )
+        self.spinBox_days.setValue(days)
+        self.timeEdit.setTime(qtime)
+
+    def get_time(self):
+        days = self.spinBox_days.value()
+        time = self.timeEdit.time().toPyTime()
+        secs = (
+            (time.hour * 3600) +
+            (time.minute * 60) +
+            time.second
+        )
+
+        return timedelta(days=days, seconds=secs)
+
+
+class ExTimeDelegate(QItemDelegate):
+    def __init__(self, data=None, mode="time", parent=None):
+        super(ExTimeDelegate, self).__init__(parent)
+
+        self._data = data
+        self._mode = mode
+
+    def createEditor(self, parent, option, index):
+        self.editor = ExtendedTimeEdit(parent=parent)
+        value = index.data(Qt.DisplayRole)
+        self.editor.set_time(value)
+        return self.editor
+
+    def setEditorData(self, editor, index):
+        value = index.data(Qt.DisplayRole)
+        self.editor.currentTextChanged.connect(self.currentItemChanged)
+
+    def setModelData(self, editor, model, index):
+        time = editor.get_time()
+        model.setData(index, int(time.total_seconds()))
+        editor.close()
+        editor.deleteLater()
+
+    def updateEditorGeometry(self, editor, option, index):
+        r = QRect(option.rect)
+        if self.editor.windowFlags() & Qt.Popup and editor.parent() is not None:
+            r.setTopLeft(self.editor.parent().mapToGlobal(r.topLeft()))
+        editor.setGeometry(r)
+
+    @pyqtSlot()
+    def currentItemChanged(self):
+        self.commitData.emit(self.sender())
+
+
 class TableModel(QAbstractTableModel):
     def __init__(self, data=None, undo=None):
         super(QAbstractTableModel, self).__init__()
@@ -65,6 +141,11 @@ class TableModel(QAbstractTableModel):
             v = self._data.get_i(row)[column]
             if self._data.get_type_column(column) == float:
                 value = f"{v:.4f}"
+            elif self._data.header[column] == "time":
+                t0 = datetime.fromtimestamp(0)
+                t = datetime.fromtimestamp(v)
+                value = str(t - t0)
+                #value = v
             else:
                 # TODO: Time format
                 value = f"{v}"
diff --git a/src/View/BoundaryCondition/Edit/Window.py b/src/View/BoundaryCondition/Edit/Window.py
index 5f0b38e40544c3b88b55d59a6d4c394bc9289e31..8ba8074033ecaba6c09ddd9f4f2bf924a9fbb7aa 100644
--- a/src/View/BoundaryCondition/Edit/Window.py
+++ b/src/View/BoundaryCondition/Edit/Window.py
@@ -21,7 +21,7 @@ from PyQt5.QtWidgets import (
 from View.Plot.MplCanvas import MplCanvas
 
 from View.BoundaryCondition.translate import long_types
-from View.BoundaryCondition.Edit.Table import TableModel
+from View.BoundaryCondition.Edit.Table import TableModel, ExTimeDelegate
 from View.BoundaryCondition.Edit.Plot import Plot
 
 _translate = QCoreApplication.translate
@@ -68,6 +68,17 @@ class EditBoundaryConditionWindow(ASubMainWindow, ListedSubWindow):
             data = self._data,
             undo = self._undo_stack
         )
+
+        self._delegate_time = ExTimeDelegate(
+            data = self._data,
+            mode = "type",
+            parent=self
+        )
+
+        table.setItemDelegateForColumn(
+            0, self._delegate_time
+        )
+
         table.setModel(self._table)
         table.setSelectionBehavior(QAbstractItemView.SelectRows)
         table.horizontalHeader().setSectionResizeMode(QHeaderView.Stretch)
diff --git a/src/View/BoundaryCondition/Table.py b/src/View/BoundaryCondition/Table.py
index 019f464280066684eea4d98b4b417e1d6cb320e5..ead3ed7a76c43702af16cb48650a89dc10f30fe8 100644
--- a/src/View/BoundaryCondition/Table.py
+++ b/src/View/BoundaryCondition/Table.py
@@ -50,7 +50,6 @@ class ComboBoxDelegate(QItemDelegate):
                     )
                 )
             )
-            print(lst)
             self.editor.addItems(
                 lst
             )
diff --git a/src/View/ui/NewStudy.ui b/src/View/ui/NewStudy.ui
index f95ff4a1ae561bff381fa641df2e4b126692e4e8..95100b5c6594521cba6e300ffc64775cefd5bfb7 100644
--- a/src/View/ui/NewStudy.ui
+++ b/src/View/ui/NewStudy.ui
@@ -78,6 +78,9 @@
          <property name="enabled">
           <bool>false</bool>
          </property>
+         <property name="displayFormat">
+          <string>dd/MM/yyyy HH:mm:ss</string>
+         </property>
         </widget>
        </item>
       </layout>
diff --git a/src/View/ui/Widgets/extendedTimeEdit.ui b/src/View/ui/Widgets/extendedTimeEdit.ui
new file mode 100644
index 0000000000000000000000000000000000000000..493a96a11eece3431108500c8eff0555f019ea81
--- /dev/null
+++ b/src/View/ui/Widgets/extendedTimeEdit.ui
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>178</width>
+    <height>44</height>
+   </rect>
+  </property>
+  <property name="sizePolicy">
+   <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+    <horstretch>0</horstretch>
+    <verstretch>0</verstretch>
+   </sizepolicy>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QHBoxLayout" name="horizontalLayout">
+   <item>
+    <widget class="QSpinBox" name="spinBox_days">
+     <property name="frame">
+      <bool>false</bool>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>days</string>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <widget class="QTimeEdit" name="timeEdit">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="frame">
+      <bool>false</bool>
+     </property>
+     <property name="displayFormat">
+      <string>HH:mm:ss</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>