diff --git a/HADotNet.Core/Clients/CalendarClient.cs b/HADotNet.Core/Clients/CalendarClient.cs
index f1e1c8d..2ac32b1 100644
--- a/HADotNet.Core/Clients/CalendarClient.cs
+++ b/HADotNet.Core/Clients/CalendarClient.cs
@@ -1,37 +1,37 @@
-using HADotNet.Core.Models;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace HADotNet.Core.Clients
-{
-    /// <summary>
-    /// Provides access to the calendar API for retrieving information about calendar entries.
-    /// </summary>
-    public sealed class CalendarClient : BaseClient
-    {
-        /// <summary>
-        /// Initializes a new instance of the <see cref="CalendarClient" />.
-        /// </summary>
-        /// <param name="instance">The Home Assistant base instance URL.</param>
-        /// <param name="apiKey">The Home Assistant long-lived access token.</param>
-        public CalendarClient(Uri instance, string apiKey) : base(instance, apiKey) { }
-
-        /// <summary>
-        /// Retrieves a list of current and future calendar items, from now until the specified <paramref name="daysFromNow" />. The maximum number of results is driven by the "max_results" configuration option in the calendar config.
-        /// </summary>
-        /// <param name="calendarEntityName">The full name of the calendar entity. If this paramter does not start with "calendar.", it will be prepended automatically.</param>
-        /// <param name="daysFromNow">Optional, defaults to 30. The number of days from the current point in time to retrieve calendar items for.</param>
-        /// <returns>A <see cref="List{CalendarObject}" /> representing the calendar items found.</returns>
-        public async Task<List<CalendarObject>> GetEvents(string calendarEntityName, int daysFromNow = 30) => await GetEvents(calendarEntityName, DateTimeOffset.Now, DateTimeOffset.Now.AddDays(daysFromNow));
-
-        /// <summary>
-        /// Retrieves a list of current and future calendar items, between the <paramref name="start" /> and <paramref name="end" /> parameters. The maximum number of results is driven by the "max_results" configuration option in the calendar config.
-        /// </summary>
-        /// <param name="calendarEntityName">The full name of the calendar entity. If this paramter does not start with "calendar.", it will be prepended automatically.</param>
-        /// <param name="start">The start date/time to search.</param>
-        /// <param name="end">The end date/time to search.</param>
-        /// <returns>A <see cref="List{CalendarObject}" /> representing the calendar items found.</returns>
-        public async Task<List<CalendarObject>> GetEvents(string calendarEntityName, DateTimeOffset start, DateTimeOffset end) => await Get<List<CalendarObject>>($"/api/calendars/{(calendarEntityName.StartsWith("calendar.") ? calendarEntityName : "calendar." + calendarEntityName)}?start={start:yyyy-MM-dd\\THH:mm:sszzz}&end={end:yyyy-MM-dd\\THH:mm:sszzz}");
-    }
-}
+using HADotNet.Core.Models;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace HADotNet.Core.Clients
+{
+    /// <summary>
+    /// Provides access to the calendar API for retrieving information about calendar entries.
+    /// </summary>
+    public sealed class CalendarClient : BaseClient
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="CalendarClient" />.
+        /// </summary>
+        /// <param name="instance">The Home Assistant base instance URL.</param>
+        /// <param name="apiKey">The Home Assistant long-lived access token.</param>
+        public CalendarClient(Uri instance, string apiKey) : base(instance, apiKey) { }
+
+        /// <summary>
+        /// Retrieves a list of current and future calendar items, from now until the specified <paramref name="daysFromNow" />. The maximum number of results is driven by the "max_results" configuration option in the calendar config.
+        /// </summary>
+        /// <param name="calendarEntityName">The full name of the calendar entity. If this paramter does not start with "calendar.", it will be prepended automatically.</param>
+        /// <param name="daysFromNow">Optional, defaults to 30. The number of days from the current point in time to retrieve calendar items for.</param>
+        /// <returns>A <see cref="List{CalendarObject}" /> representing the calendar items found.</returns>
+        public async Task<List<CalendarObject>> GetEvents(string calendarEntityName, int daysFromNow = 30) => await GetEvents(calendarEntityName, DateTimeOffset.Now, DateTimeOffset.Now.AddDays(daysFromNow));
+
+        /// <summary>
+        /// Retrieves a list of current and future calendar items, between the <paramref name="start" /> and <paramref name="end" /> parameters. The maximum number of results is driven by the "max_results" configuration option in the calendar config.
+        /// </summary>
+        /// <param name="calendarEntityName">The full name of the calendar entity. If this paramter does not start with "calendar.", it will be prepended automatically.</param>
+        /// <param name="start">The start date/time to search.</param>
+        /// <param name="end">The end date/time to search.</param>
+        /// <returns>A <see cref="List{CalendarObject}" /> representing the calendar items found.</returns>
+        public async Task<List<CalendarObject>> GetEvents(string calendarEntityName, DateTimeOffset start, DateTimeOffset end) => await Get<List<CalendarObject>>($"/api/calendars/{(calendarEntityName.StartsWith("calendar.") ? calendarEntityName : "calendar." + calendarEntityName)}?start={start:yyyy-MM-dd\\THH:mm:ss}Z&end={end:yyyy-MM-dd\\THH:mm:ss}Z");
+    }
+}
diff --git a/HADotNet.Core/HADotNet.Core.csproj b/HADotNet.Core/HADotNet.Core.csproj
index 2609c95..d791bd6 100644
--- a/HADotNet.Core/HADotNet.Core.csproj
+++ b/HADotNet.Core/HADotNet.Core.csproj
@@ -12,15 +12,15 @@
     <PackageTags>home-assistant external api library</PackageTags>
     <Title>HADotNet Core Library</Title>
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
-    <Version>1.5.0</Version>
+    <Version>1.5.1</Version>
     <PackageLicenseExpression>Apache-2.0</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/qJake/HADotNet</PackageProjectUrl>
     <RepositoryUrl>https://github.com/qJake/HADotNet.git</RepositoryUrl>
     <RepositoryType>git</RepositoryType>
     <PackageReleaseNotes></PackageReleaseNotes>
     <LangVersion>7.3</LangVersion>
-    <AssemblyVersion>1.5.0.0</AssemblyVersion>
-    <FileVersion>1.5.0.0</FileVersion>
+    <AssemblyVersion>1.5.1.0</AssemblyVersion>
+    <FileVersion>1.5.1.0</FileVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">