diff --git a/calendar/gui/e-cal-model.c b/calendar/gui/e-cal-model.c
index 9e2ab55..ec91442 100644
--- a/calendar/gui/e-cal-model.c
+++ b/calendar/gui/e-cal-model.c
@@ -2142,6 +2142,8 @@ add_new_client (ECalModel *model, ECal *client, gboolean do_query)
 		e_cal_model_update_status_message (model, msg, -1.0);
 		g_free (msg);
 
+		e_cal_set_default_timezone (client, e_cal_model_get_timezone (model), NULL);
+
 		g_signal_connect (client, "cal_opened", G_CALLBACK (cal_opened_cb), model);
 		e_cal_open_async (client, TRUE);
 	}
diff --git a/modules/calendar/e-cal-shell-sidebar.c b/modules/calendar/e-cal-shell-sidebar.c
index 2f48755..db0d0a0 100644
--- a/modules/calendar/e-cal-shell-sidebar.c
+++ b/modules/calendar/e-cal-shell-sidebar.c
@@ -36,6 +36,7 @@
 
 #include "e-cal-shell-view.h"
 #include "e-cal-shell-backend.h"
+#include "e-cal-shell-content.h"
 
 #define E_CAL_SHELL_SIDEBAR_GET_PRIVATE(obj) \
 	(G_TYPE_INSTANCE_GET_PRIVATE \
@@ -303,6 +304,7 @@ cal_shell_sidebar_set_default (ECalShellSidebar *cal_shell_sidebar,
 		G_CALLBACK (cal_shell_sidebar_default_opened_cb),
 		cal_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_cal_shell_content_get_model (E_CAL_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (cal_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
@@ -956,6 +958,7 @@ e_cal_shell_sidebar_add_source (ECalShellSidebar *cal_shell_sidebar,
 		G_CALLBACK (cal_shell_sidebar_client_opened_cb),
 		cal_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_cal_shell_content_get_model (E_CAL_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (cal_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
diff --git a/modules/calendar/e-memo-shell-sidebar.c b/modules/calendar/e-memo-shell-sidebar.c
index 87b65e5..9842944 100644
--- a/modules/calendar/e-memo-shell-sidebar.c
+++ b/modules/calendar/e-memo-shell-sidebar.c
@@ -34,6 +34,7 @@
 
 #include "e-memo-shell-view.h"
 #include "e-memo-shell-backend.h"
+#include "e-memo-shell-content.h"
 
 #define E_MEMO_SHELL_SIDEBAR_GET_PRIVATE(obj) \
 	(G_TYPE_INSTANCE_GET_PRIVATE \
@@ -298,6 +299,7 @@ memo_shell_sidebar_set_default (EMemoShellSidebar *memo_shell_sidebar,
 		G_CALLBACK (memo_shell_sidebar_default_opened_cb),
 		memo_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_memo_shell_content_get_memo_model (E_MEMO_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (memo_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
@@ -874,6 +876,7 @@ e_memo_shell_sidebar_add_source (EMemoShellSidebar *memo_shell_sidebar,
 		G_CALLBACK (memo_shell_sidebar_client_opened_cb),
 		memo_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_memo_shell_content_get_memo_model (E_MEMO_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (memo_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
diff --git a/modules/calendar/e-task-shell-sidebar.c b/modules/calendar/e-task-shell-sidebar.c
index 8c29df8..db80a50 100644
--- a/modules/calendar/e-task-shell-sidebar.c
+++ b/modules/calendar/e-task-shell-sidebar.c
@@ -34,6 +34,7 @@
 
 #include "e-task-shell-view.h"
 #include "e-task-shell-backend.h"
+#include "e-task-shell-content.h"
 
 #define E_TASK_SHELL_SIDEBAR_GET_PRIVATE(obj) \
 	(G_TYPE_INSTANCE_GET_PRIVATE \
@@ -298,6 +299,7 @@ task_shell_sidebar_set_default (ETaskShellSidebar *task_shell_sidebar,
 		G_CALLBACK (task_shell_sidebar_default_opened_cb),
 		task_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_task_shell_content_get_task_model (E_TASK_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (task_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
@@ -874,6 +876,7 @@ e_task_shell_sidebar_add_source (ETaskShellSidebar *task_shell_sidebar,
 		G_CALLBACK (task_shell_sidebar_client_opened_cb),
 		task_shell_sidebar);
 
+	e_cal_set_default_timezone (client, e_cal_model_get_timezone (e_task_shell_content_get_task_model (E_TASK_SHELL_CONTENT (e_shell_view_get_shell_content (e_shell_sidebar_get_shell_view (E_SHELL_SIDEBAR (task_shell_sidebar)))))), NULL);
 	e_cal_open_async (client, FALSE);
 }
 
