diff --git a/src/common/date_info.rs b/src/common/date_info.rs
index d74a949..2601a3a 100644
--- a/src/common/date_info.rs
+++ b/src/common/date_info.rs
@@ -5,7 +5,13 @@ pub struct DateInfo {
     #[serde()]
     pub(crate) title: String,
     #[serde(rename = "date")]
-    pub(crate) date: String,
+    pub(crate) date: DateRange,
     #[serde(rename = "desc")]
     pub(crate) description: String,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum DateRange {
+    Single(String),
+    Range(String, String),
+}