diff --git a/utils/time.go b/utils/time.go
new file mode 100644
index 0000000..222e4cd
--- /dev/null
+++ b/utils/time.go
@@ -0,0 +1,31 @@
+package utils
+
+import "time"
+
+func MinDuration(durations ...time.Duration) time.Duration {
+	min := durations[0]
+	for _, d := range durations {
+		if d < min {
+			min = d
+		}
+	}
+	return min
+}
+
+func MaxDuration(durations ...time.Duration) time.Duration {
+	max := durations[0]
+	for _, d := range durations {
+		if d > max {
+			max = d
+		}
+	}
+	return max
+}
+
+func AvgDuration(durations ...time.Duration) time.Duration {
+	total := time.Duration(0)
+	for _, d := range durations {
+		total += d
+	}
+	return total / time.Duration(len(durations))
+}
\ No newline at end of file