diff --git a/bigframes/core/compile/sqlglot/expressions/datetime_ops.py b/bigframes/core/compile/sqlglot/expressions/datetime_ops.py
index a1c70262d5..21f8b39e7d 100644
--- a/bigframes/core/compile/sqlglot/expressions/datetime_ops.py
+++ b/bigframes/core/compile/sqlglot/expressions/datetime_ops.py
@@ -371,7 +371,12 @@ def _(expr: TypedExpr, op: ops.ToDatetimeOp) -> sge.Expression:
         )
         return sge.Cast(this=result, to="DATETIME")
 
-    if expr.dtype in (dtypes.STRING_DTYPE, dtypes.TIMESTAMP_DTYPE):
+    if expr.dtype in (
+        dtypes.STRING_DTYPE,
+        dtypes.TIMESTAMP_DTYPE,
+        dtypes.DATETIME_DTYPE,
+        dtypes.DATE_DTYPE,
+    ):
         return sge.TryCast(this=expr.expr, to="DATETIME")
 
     value = expr.expr
@@ -396,7 +401,12 @@ def _(expr: TypedExpr, op: ops.ToTimestampOp) -> sge.Expression:
             "PARSE_TIMESTAMP", sge.convert(op.format), expr.expr, sge.convert("UTC")
         )
 
-    if expr.dtype in (dtypes.STRING_DTYPE, dtypes.DATETIME_DTYPE):
+    if expr.dtype in (
+        dtypes.STRING_DTYPE,
+        dtypes.DATETIME_DTYPE,
+        dtypes.TIMESTAMP_DTYPE,
+        dtypes.DATE_DTYPE,
+    ):
         return sge.func("TIMESTAMP", expr.expr)
 
     value = expr.expr