diff --git a/modules/space/rotation/spicerotation.cpp b/modules/space/rotation/spicerotation.cpp
index 6d426bb2d1..f582fa32e1 100644
--- a/modules/space/rotation/spicerotation.cpp
+++ b/modules/space/rotation/spicerotation.cpp
@@ -86,6 +86,9 @@ namespace {
 
         // [[codegen::verbatim(FixedDateInfo.description)]]
         std::optional<std::string> fixedDate [[codegen::datetime()]];
+
+        // [[codegen::verbatim(TimeOffsetInfo.description)]]
+        std::optional<float> timeOffset;
     };
 #include "spicerotation_codegen.cpp"
 } // namespace
diff --git a/modules/space/translation/spicetranslation.cpp b/modules/space/translation/spicetranslation.cpp
index dcc1213eba..1439043cea 100644
--- a/modules/space/translation/spicetranslation.cpp
+++ b/modules/space/translation/spicetranslation.cpp
@@ -106,7 +106,7 @@ namespace {
             [[codegen::annotation("A valid SPICE NAIF name for a reference frame")]];
 
         // [[codegen::verbatim(FixedDateInfo.description)]]
-        std::optional<std::string> fixedDate;
+        std::optional<std::string> fixedDate [[codegen::datetime()]];
 
         // [[codegen::verbatim(TimeOffsetInfo.description)]]
         std::optional<float> timeOffset;