Index: wflow/wf_netcdfio.py
===================================================================
diff -u -r4d9772b4f2abc3932d65dcde4f4e747df90ea046 -r5007689827fac4f87d207a7c0639f8e632267c44
--- wflow/wf_netcdfio.py	(.../wf_netcdfio.py)	(revision 4d9772b4f2abc3932d65dcde4f4e747df90ea046)
+++ wflow/wf_netcdfio.py	(.../wf_netcdfio.py)	(revision 5007689827fac4f87d207a7c0639f8e632267c44)
@@ -24,7 +24,7 @@
 globmetadata["title"] = "wflow output mapstack"
 globmetadata["institution"] = "Deltares"
 globmetadata["source"] = "wflow"
-globmetadata["history"] = time.ctime()
+globmetadata["history"] = dt.datetime.now().isoformat()
 globmetadata["references"] = "https://github.com/openstreams/wflow"
 globmetadata["Conventions"] = "CF-1.4"