diff --git a/src/main.rs b/src/main.rs
index a19dd56..def4f56 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,6 +13,8 @@ use std::{
     },
 };
 
+const TIME_FORMAT: &str = "%H:%M:%S%.6f";
+
 type LogtimesResult = Result<(), IoError>;
 
 #[inline(always)]
@@ -20,14 +22,14 @@ fn print_time<T>(output: &mut T) -> LogtimesResult
 where
     T: Write,
 {
-    let date_now = Local::now().format("%H:%M:%S%.6f");
+    let date_now = Local::now().format(TIME_FORMAT);
 
     write!(output, "[{}] ", &date_now)
 }
 
 #[inline(always)]
 fn print_time_color(output: &mut StdoutLock) -> Result<(), std::io::Error> {
-    let date_now = Local::now().format("%H:%M:%S%.6f");
+    let date_now = Local::now().format(TIME_FORMAT);
 
     let color_green = "\x1b\x5b\x30\x3b\x33\x32\x6d";
     let color_off = "\x1b\x5b\x30\x6d";