diff --git a/src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_calendar.py b/src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_calendar.py
index 0767ceb51c..8823c3f215 100644
--- a/src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_calendar.py
+++ b/src/ifcopenshell-python/ifcopenshell/api/sequence/add_work_calendar.py
@@ -67,7 +67,7 @@ class Usecase:
                 parent=work_time, recurrence_type="WEEKLY")
 
             # State that we work from weekdays 1 to 5 (i.e. Monday to Friday), 9am to 5pm
-            ifcopenshell.api.run("sequence.edit_recurrence_pattern", mdoel,
+            ifcopenshell.api.run("sequence.edit_recurrence_pattern", model,
                 recurrence_pattern=pattern, attributes={"WeekdayComponent": [1, 2, 3, 4, 5]})
             ifcopenshell.api.run("sequence.add_time_period", model,
                 recurrence_pattern=pattern, start_time="09:00", end_time="17:00")
diff --git a/src/ifcopenshell-python/ifcopenshell/util/date.py b/src/ifcopenshell-python/ifcopenshell/util/date.py
index 8d41850a98..94f87d848c 100644
--- a/src/ifcopenshell-python/ifcopenshell/util/date.py
+++ b/src/ifcopenshell-python/ifcopenshell/util/date.py
@@ -75,7 +75,10 @@ def datetime2ifc(dt, ifc_type):
     if isinstance(dt, str):
         if ifc_type == "IfcDuration":
             return dt
-        dt = datetime.datetime.fromisoformat(dt)
+        try:
+            dt = datetime.datetime.fromisoformat(dt)
+        except:
+            dt = datetime.time.fromisoformat(dt)
 
     if ifc_type == "IfcDuration":
         return isodate.duration_isoformat(dt)