diff --git a/src/utils/datetime.ts b/src/utils/datetime.ts
new file mode 100644
index 0000000..2f2bb63
--- /dev/null
+++ b/src/utils/datetime.ts
@@ -0,0 +1,10 @@
+export const periodToString = (time?: number) => {
+    if (!time) return '00:00:00'
+    const hours = Math.floor(time / 3600)
+    const minutes = Math.floor(time / 60 - hours * 60)
+    const seconds = Math.floor(time - hours * 3600 - minutes * 60)
+
+    const toFixed = (num: number) => `${num}`.padStart(2, '0')
+
+    return `${toFixed(hours)}:${toFixed(minutes)}:${toFixed(seconds)}`
+}