diff --git a/daft/datatype.py b/daft/datatype.py
index 25d782b2bf..c71717eb90 100644
--- a/daft/datatype.py
+++ b/daft/datatype.py
@@ -367,7 +367,7 @@ def from_arrow_type(cls, arrow_type: pa.lib.DataType) -> DataType:
         elif pa.types.is_date32(arrow_type):
             return cls.date()
         elif pa.types.is_time64(arrow_type):
-            timeunit = TimeUnit.from_str(arrow_type.unit)
+            timeunit = TimeUnit.from_str(pa.type_for_alias(str(arrow_type)).unit)
             return cls.time(timeunit)
         elif pa.types.is_timestamp(arrow_type):
             timeunit = TimeUnit.from_str(arrow_type.unit)
diff --git a/daft/expressions/expressions.py b/daft/expressions/expressions.py
index 7267052994..7165123752 100644
--- a/daft/expressions/expressions.py
+++ b/daft/expressions/expressions.py
@@ -85,7 +85,7 @@ def lit(value: object) -> Expression:
         # pyo3 time (PyTime) is not available when running in abi3 mode, workaround
         pa_time = pa.scalar(value)
         i64_value = pa_time.cast(pa.int64()).as_py()
-        time_unit = TimeUnit.from_str(pa_time.type.unit)._timeunit
+        time_unit = TimeUnit.from_str(pa.type_for_alias(str(pa_time.type)).unit)._timeunit
         lit_value = _time_lit(i64_value, time_unit)
     elif isinstance(value, Series):
         lit_value = _series_lit(value._series)