diff --git a/dbt_semantic_interfaces/implementations/time_spine.py b/dbt_semantic_interfaces/implementations/time_spine.py
index b010d3d2..7d666d0f 100644
--- a/dbt_semantic_interfaces/implementations/time_spine.py
+++ b/dbt_semantic_interfaces/implementations/time_spine.py
@@ -35,6 +35,15 @@ def _implements_protocol(self) -> TimeSpineCustomGranularityColumn:
     name: str
     column_name: Optional[str] = None
 
+    @property
+    def parsed_column_name(self) -> str:
+        """The name of the column in the time spine table that contains this custom granularity.
+
+        For convenience in writing configs, if there is no `column_name` set, we assume the `name`
+        is also the column name.
+        """
+        return self.column_name or self.name
+
 
 class PydanticTimeSpine(HashableBaseModel, ProtocolHint[TimeSpine]):  # noqa: D101
     @override
diff --git a/pyproject.toml b/pyproject.toml
index 70038144..c7daf956 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "dbt-semantic-interfaces"
-version = "0.7.1"
+version = "0.7.2.dev0"
 description = 'The shared semantic layer definitions that dbt-core and MetricFlow use'
 readme = "README.md"
 requires-python = ">=3.8"