diff --git a/src/main.rs b/src/main.rs
index 3143b77..7ffee6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,12 +13,44 @@ fn main() -> io::Result<()> {
 
     let buffer = &args[1];
 
+    //println!("{buffer}");
+
+    let tz = *Local::now().offset();
+
+    // println!(
+    //     "{}",
+    //     NaiveDateTime::new(
+    //         Local::now().date_naive(),
+    //         NaiveTime::parse_from_str("12:00:00", "%H:%M:%S").unwrap()
+    //     )
+    //     .and_local_timezone(tz)
+    //     .single()
+    //     .unwrap()
+    // );
+
+    let timestamp: DateTime<Local>;
+    if let Some(t) = buffer.parse::<DateTime<Local>>().ok() {
+        timestamp = t;
+    } else if let Some(t) = NaiveDateTime::parse_from_str(buffer, "%Y-%m-%d %H:%M:%S").ok() {
+        timestamp = t.and_local_timezone(tz).single().unwrap().into();
+    } else if let Some(t) = NaiveTime::parse_from_str(buffer, "%H:%M:%S").ok() {
+        timestamp = NaiveDateTime::new(Local::now().date_naive(), t)
+            .and_local_timezone(tz)
+            .single()
+            .unwrap()
+            .into();
+    } else {
+        println!("Couldn't parse timestamp!");
+        std::process::abort();
+    }
+
     // NOTE: is local appropriate here?
-    let timestamp = buffer.parse::<DateTime<Local>>().unwrap();
+    let now = Local::now();
 
-    println!("{}", timestamp.to_rfc3339());
+    // println!("{}", timestamp.to_rfc3339());
+    // println!("{}", now.to_rfc3339());
 
-    let delta = DateTime::signed_duration_since(Local::now(), timestamp);
+    let delta = DateTime::signed_duration_since(now, timestamp);
 
     let days = ((delta.num_seconds() / 60) / 60) / 24;
     let hours = ((delta.num_seconds() / 60) / 60) % 24;