moved the use utc method to the JobManager

Library/JobManager.cs

@@ -34,7 +34,20 @@ internal static DateTime Now
         }
 
         #endregion
+
+        #region UTC
 
+        /// <summary>
+        /// Use UTC time rather than local time.
+        /// It's recommended to call this method before any other library interaction to avoid mixed dates.
+        /// </summary>
+        public static void UseUtcTime()
+        {
+            _useUtc = true;
+        }
+
+        #endregion
+
         #region Job factory
 
         private static IJobFactory _jobFactory;
@@ -165,7 +178,6 @@ public static void InitializeWithoutStarting(Registry registry)
             if (registry == null)
                 throw new ArgumentNullException("registry");
 
-            _useUtc = registry.UtcTime;
             CalculateNextRun(registry.Schedules).ToList().ForEach(RunJob);
         }
 

Library/Registry.cs

@@ -12,8 +12,6 @@ public class Registry
     {
         private bool _allJobsConfiguredAsNonReentrant;
 
-        internal bool UtcTime { get; private set; }
-
         internal List<Schedule> Schedules { get; private set; }
 
         /// <summary>
@@ -38,14 +36,6 @@ public void NonReentrantAsDefault()
             }
         }
 
-        /// <summary>
-        /// Use UTC time rather than local time.
-        /// </summary>
-        public void UseUtcTime()
-        {
-            UtcTime = true;
-        }
-
         /// <summary>
         /// Schedules a new job in the registry.
         /// </summary>

README.md

@@ -231,7 +231,7 @@ That's why the least interval you can set is one second.
 Unfortunately, not unlike many schedulers, there is no Daylight Saving Time support yet.
 
 If you are worried about your jobs not running or running twice due to that, the suggestion is to avoid troublesome time
-ranges or just `UseUtcTime()` in your registry.
+ranges or just call `JobManager.UseUtcTime()` before using the library.
 
 ## Weekly jobs