diff --git a/Endpoint/Common/Services/PairPeriodTimeConverter.cs b/Endpoint/Common/Services/PairPeriodTimeConverter.cs
new file mode 100644
index 0000000..ad46295
--- /dev/null
+++ b/Endpoint/Common/Services/PairPeriodTimeConverter.cs
@@ -0,0 +1,13 @@
+using Mirea.Api.Endpoint.Configuration.General.Settings;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Common.Services;
+
+public static class PairPeriodTimeConverter
+{
+    public static Dictionary<int, Dto.Common.PairPeriodTime> ConvertToDto(this IDictionary<int, ScheduleSettings.PairPeriodTime> pairPeriod) =>
+    pairPeriod.ToDictionary(kvp => kvp.Key, kvp => new Dto.Common.PairPeriodTime { Start = kvp.Value.Start, End = kvp.Value.End });
+
+    public static Dictionary<int, ScheduleSettings.PairPeriodTime> ConvertFromDto(this IDictionary<int, Dto.Common.PairPeriodTime> pairPeriod) => pairPeriod.ToDictionary(kvp => kvp.Key, kvp => new ScheduleSettings.PairPeriodTime(kvp.Value.Start, kvp.Value.End));
+}