diff --git a/utils.js b/utils.js
index f98385c..07b9fb4 100644
--- a/utils.js
+++ b/utils.js
@@ -78,6 +78,11 @@ function getDaySeconds(time, timeZone) {
     3600 * timeZone;
 }
 
+function getHourSeconds(time, timeZone) {
+  const daySeconds = getDaySeconds(time, timeZone);
+  return Math.floor((time - daySeconds) / 3600) * 3600;
+}
+
 function formatDate(date) {
   const year = date.getFullYear();
   const month = date.getMonth() + 1;//月份是从0开始的
@@ -257,6 +262,7 @@ exports.isOnlineEnv = isOnlineEnv;
 exports.getTickCount = getTickCount;
 exports.getUtcTime = getUtcTime;
 exports.getDaySeconds = getDaySeconds;
+exports.getHourSeconds = getHourSeconds;
 exports.formatDate = formatDate;
 exports.pad = pad;
 exports.randRange = randRange;