diff --git a/src/utils/time_manager.rs b/src/utils/time_manager.rs
index a6b2c5b..2943627 100644
--- a/src/utils/time_manager.rs
+++ b/src/utils/time_manager.rs
@@ -1,6 +1,9 @@
 use std::time::SystemTime;
 use std::convert::TryInto;
 
+use chrono::{DateTime, NaiveDateTime, Utc};
+use serde::{de::Error, Deserialize, Deserializer, Serialize, Serializer};
+
 pub struct TimeManager {
 }
 
@@ -12,4 +15,14 @@ impl TimeManager {
     pub fn timestamp() -> u64 {
         return Self::duration_since(SystemTime::UNIX_EPOCH);
     }
+
+    pub fn deserialize<'de, D: Deserializer<'de>>(deserializer: D) -> std::result::Result<Option<NaiveDateTime>, D::Error> {
+        let time: String = Deserialize::deserialize(deserializer)?;
+
+        if time.is_empty() {
+            Ok(None)
+        } else {
+            Ok(Some(NaiveDateTime::parse_from_str(&time, "%Y-%m-%d %H:%M:%S").map_err(D::Error::custom)?))
+        }
+    }
 }