- done feature 115;

- done feature 116;

src/helpers/isDateTimeInPast.js

@@ -0,0 +1,10 @@
+const isDateTimeInPast = (dateStr, timeStr) => {
+    const [hours, minutes, seconds = 0] = timeStr.split(':').map(Number);
+    const dateTime = new Date(dateStr);
+    dateTime.setHours(hours, minutes, seconds);
+    const now = new Date();
+
+    return dateTime < now;
+}
+
+export default isDateTimeInPast;