diff --git a/utils/utils.go b/utils/utils.go
index cba4891f..31e755b5 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -97,6 +97,27 @@ func GetCurDate() time.Time {
 	return time.Date(year, month, day, 0, 0, 0, 0, now.Location())
 }
 
+func GetDate(dateTime time.Time) time.Time {
+	year, month, day := dateTime.Date()
+	return time.Date(year, month, day, 0, 0, 0, 0, dateTime.Location())
+}
+
+func GetTimeRange(baseTime time.Time, dayNum int, includeBaseTime bool) (beginTime, endTime time.Time) {
+	if dayNum <= 0 {
+		dayNum = 1
+	}
+	baseTime = GetDate(baseTime)
+	if includeBaseTime {
+		dayNum = dayNum - 1
+		endTime = baseTime.Add(time.Hour*24 - time.Second)
+	} else {
+		endTime = baseTime.Add(-time.Second)
+	}
+	beginTime = baseTime.Add(-time.Hour * 24 * time.Duration(dayNum))
+
+	return beginTime, endTime
+}
+
 // timestamp is in second
 func GetCurTimestamp() int64 {
 	return time.Now().Unix()