diff --git a/components/fs-data-provider/src/bin/icu4x-cldr-export.rs b/components/fs-data-provider/src/bin/icu4x-cldr-export.rs
index db5624bc235..7f5c3ae8b4f 100644
--- a/components/fs-data-provider/src/bin/icu4x-cldr-export.rs
+++ b/components/fs-data-provider/src/bin/icu4x-cldr-export.rs
@@ -95,6 +95,16 @@ fn main() -> Result<(), Error> {
                 )
                 .takes_value(true),
         )
+        .arg(
+            Arg::with_name("CLDR_DATES")
+                .long("cldr-dates")
+                .value_name("PATH")
+                .help(
+                    "Path to cldr-dates JSON: \
+                    https://github.com/unicode-cldr/cldr-dates",
+                )
+                .takes_value(true),
+        )
         .arg(
             Arg::with_name("KEY")
                 .short("k")
@@ -153,6 +163,7 @@ fn main() -> Result<(), Error> {
     let keys = [
         icu_data_key!(plurals: cardinal@1),
         icu_data_key!(plurals: ordinal@1),
+        icu_data_key!(dates: gregory@1),
     ];
 
     let output_path = PathBuf::from(
@@ -167,6 +178,10 @@ fn main() -> Result<(), Error> {
         cldr_paths.cldr_core = Ok(path.into());
     }
 
+    if let Some(path) = matches.value_of("CLDR_DATES") {
+        cldr_paths.cldr_dates = Ok(path.into());
+    }
+
     let provider = CldrJsonDataProvider::new(&cldr_paths);
 
     let mut options = serializers::JsonSerializerOptions::default();
diff --git a/components/fs-data-provider/src/fs_data_provider.rs b/components/fs-data-provider/src/fs_data_provider.rs
index f731ca5ef51..6f6cd1e5cc3 100644
--- a/components/fs-data-provider/src/fs_data_provider.rs
+++ b/components/fs-data-provider/src/fs_data_provider.rs
@@ -67,6 +67,18 @@ impl DataProvider<'_> for FsDataProvider {
             }
             .with_owned_payload(obj);
             Ok(response)
+        } else if req.data_key.category == DataCategory::Dates {
+            // TODO: Pick deserializer based on manifest
+            let obj: structs::dates::gregory::DatesV1 = match serde_json::from_reader(reader) {
+                Ok(obj) => obj,
+                Err(err) => return Err(Error::ResourceError(Box::new(err))),
+            };
+            let response = DataResponseBuilder {
+                // TODO: Return the actual locale when fallbacks are implemented.
+                data_langid: req.data_entry.langid.clone(),
+            }
+            .with_owned_payload(obj);
+            Ok(response)
         } else {
             panic!("Don't know how to parse this data key, but it is on the filesystem");
         }