diff --git a/chrono/agendas/migrations/0154_partial_booking_fields.py b/chrono/agendas/migrations/0154_partial_booking_fields.py
new file mode 100644
index 00000000..1babac7c
--- /dev/null
+++ b/chrono/agendas/migrations/0154_partial_booking_fields.py
@@ -0,0 +1,32 @@
+# Generated by Django 3.2.18 on 2023-05-31 08:16
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('agendas', '0153_event_index'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='agenda',
+            name='partial_bookings',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='booking',
+            name='end_time',
+            field=models.TimeField(null=True),
+        ),
+        migrations.AddField(
+            model_name='booking',
+            name='start_time',
+            field=models.TimeField(null=True),
+        ),
+        migrations.AddField(
+            model_name='event',
+            name='end_time',
+            field=models.TimeField(null=True, verbose_name='End time'),
+        ),
+    ]
diff --git a/chrono/agendas/models.py b/chrono/agendas/models.py
index 4d7217ef..1edb3451 100644
--- a/chrono/agendas/models.py
+++ b/chrono/agendas/models.py
@@ -289,6 +289,7 @@ class Agenda(models.Model):
         null=True,
         blank=True,
     )
+    partial_bookings = models.BooleanField(default=False)
 
     class Meta:
         ordering = ['label']
@@ -1934,6 +1935,7 @@ class Event(models.Model):
 
     agenda = models.ForeignKey(Agenda, on_delete=models.CASCADE)
     start_datetime = models.DateTimeField(_('Date/time'))
+    end_time = models.TimeField(_('End time'), null=True)
     recurrence_days = ArrayField(
         models.IntegerField(choices=WEEKDAY_CHOICES),
         verbose_name=_('Recurrence days'),
@@ -2429,6 +2431,7 @@ class Event(models.Model):
             agenda=self.agenda,
             primary_event=self,
             slug=self.slug,
+            end_time=self.end_time,
             duration=self.duration,
             places=self.places,
             waiting_list_places=self.waiting_list_places,
@@ -2665,6 +2668,9 @@ class Booking(models.Model):
     absence_callback_url = models.URLField(blank=True)
     color = models.ForeignKey(BookingColor, null=True, on_delete=models.SET_NULL, related_name='bookings')
 
+    start_time = models.TimeField(null=True)
+    end_time = models.TimeField(null=True)
+
     @property
     def user_name(self):
         return ('%s %s' % (self.user_first_name, self.user_last_name)).strip()
diff --git a/chrono/manager/forms.py b/chrono/manager/forms.py
index dc078413..340f1156 100644
--- a/chrono/manager/forms.py
+++ b/chrono/manager/forms.py
@@ -1245,7 +1245,7 @@ class ImportEventsForm(forms.Form):
                     raise ValidationError(_('Invalid file format. (duration, {event_no} event)'), i)
 
             try:
-                event.full_clean(exclude=['desk', 'meeting_type', 'primary_event'])
+                event.full_clean(exclude=['desk', 'meeting_type', 'primary_event', 'end_time'])
             except ValidationError as e:
                 errors = [_('Invalid file format:\n')]
                 for label, field_errors in e.message_dict.items():