diff --git a/src/module/timeLabel.js b/src/module/timeLabel.js
index daa7f73..f911a49 100644
--- a/src/module/timeLabel.js
+++ b/src/module/timeLabel.js
@@ -198,7 +198,7 @@ export function dateLabel(date, maxDate, minDate) {
  * @returns {string} - The suitable time format string.
  */
 export const setTimeStringFormatBaseOnTimeDifference = (minTimeStamp, maxTimeStamp) => {
-  const timeDifferenceInSeconds = (maxTimestamp - minTimestamp) / 1000;
+  const timeDifferenceInSeconds = (minTimeStamp - maxTimeStamp) / 1000;
 
   let dateFormat;
   if (timeDifferenceInSeconds < 60) {