diff --git a/Sources/Communications/Classes/MockURLProtocol.swift b/Sources/Communications/Classes/MockURLProtocol.swift
index 6a19689..892f1dd 100644
--- a/Sources/Communications/Classes/MockURLProtocol.swift
+++ b/Sources/Communications/Classes/MockURLProtocol.swift
@@ -17,6 +17,7 @@ public class MockURLProtocol: URLProtocol {
     
     // MARK: Properties
     
+    /// The dictionary in which the mock requests with its respective mock responses will be injected.
     public static var mockData: [MockURLRequest: MockURLResponse] = [:]
     
     // MARK: Functions
diff --git a/Sources/Core/Extensions/TimeZone+Zone.swift b/Sources/Core/Extensions/TimeZone+Zone.swift
new file mode 100644
index 0000000..e7a524b
--- /dev/null
+++ b/Sources/Core/Extensions/TimeZone+Zone.swift
@@ -0,0 +1,10 @@
+import Foundation
+
+public extension TimeZone {
+    
+    // MARK: Zones
+
+    /// Greenwich Mean Time or UTC+0
+    static let gmt = TimeZone(secondsFromGMT: 0)
+    
+}