diff --git a/planetstack/core/admin.py b/planetstack/core/admin.py
index 0329cd6..85bed74 100644
--- a/planetstack/core/admin.py
+++ b/planetstack/core/admin.py
@@ -424,7 +424,7 @@
     list_filter = ('site',)
     inlines = [SitePrivilegeInline, SliceMembershipInline]
     fieldsets = (
-        (None, {'fields': ('email', 'password', 'site', 'is_admin')}),
+        (None, {'fields': ('email', 'password', 'site', 'is_admin', 'timezone')}),
         ('Personal info', {'fields': ('firstname','lastname','phone', 'key')}),
         #('Important dates', {'fields': ('last_login',)}),
     )
diff --git a/planetstack/core/models/user.py b/planetstack/core/models/user.py
index e6c42e7..055b6cd 100644
--- a/planetstack/core/models/user.py
+++ b/planetstack/core/models/user.py
@@ -6,6 +6,7 @@
 from core.models import Site
 from core.models import Key
 from django.contrib.auth.models import AbstractBaseUser, BaseUserManager
+from timezones.fields import TimeZoneField
 
 # Create your models here.
 class UserManager(BaseUserManager):
@@ -68,6 +69,8 @@
     is_admin = models.BooleanField(default=True)
     is_staff = models.BooleanField(default=True)
 
+    timezone = TimeZoneField()
+
     objects = UserManager()
 
     USERNAME_FIELD = 'email'
@@ -95,8 +98,8 @@
         return True
 
     def get_roles(self):
-        from plstackapi.core.models.site import SitePrivilege
-        from plstackapi.core.models.slice import SliceMembership
+        from core.models.site import SitePrivilege
+        from core.models.slice import SliceMembership
 
         site_privileges = SitePrivilege.objects.filter(user=self)
         slice_memberships = SliceMembership.objects.filter(user=self)