commit d81c15bf3ad0f738c4fe5d9a50c88f71ea16754e
Author: Manuel Kamper <manuel@kmpr.at>
Date:   Thu Jul 25 10:31:33 2019 +0200

    initial

diff --git a/.vs/Mk0.Tools.TimeTools/v15/.suo b/.vs/Mk0.Tools.TimeTools/v15/.suo
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diff --git a/.vs/Mk0.Tools.TimeTools/v15/Server/sqlite3/db.lock b/.vs/Mk0.Tools.TimeTools/v15/Server/sqlite3/db.lock
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diff --git a/.vs/slnx.sqlite b/.vs/slnx.sqlite
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diff --git a/Mk0.Tools.TimeTools.sln b/Mk0.Tools.TimeTools.sln
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--- /dev/null
+++ b/Mk0.Tools.TimeTools.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28307.757
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Mk0.Tools.TimeTools", "Mk0.Tools.TimeTools\Mk0.Tools.TimeTools.csproj", "{2936250A-9426-4FD3-9F0D-A7A6C0484D43}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{2936250A-9426-4FD3-9F0D-A7A6C0484D43}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2936250A-9426-4FD3-9F0D-A7A6C0484D43}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2936250A-9426-4FD3-9F0D-A7A6C0484D43}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2936250A-9426-4FD3-9F0D-A7A6C0484D43}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {6E91673C-AC57-4D9B-A2DD-EE0FAA5FC043}
+	EndGlobalSection
+EndGlobal
diff --git a/Mk0.Tools.TimeTools/Mk0.Tools.TimeTools.csproj b/Mk0.Tools.TimeTools/Mk0.Tools.TimeTools.csproj
new file mode 100644
index 0000000..d43c284
--- /dev/null
+++ b/Mk0.Tools.TimeTools/Mk0.Tools.TimeTools.csproj
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{2936250A-9426-4FD3-9F0D-A7A6C0484D43}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Mk0.Tools.TimeTools</RootNamespace>
+    <AssemblyName>Mk0.Tools.TimeTools</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="TimeTools.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
\ No newline at end of file
diff --git a/Mk0.Tools.TimeTools/Properties/AssemblyInfo.cs b/Mk0.Tools.TimeTools/Properties/AssemblyInfo.cs
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index 0000000..91fd0f8
--- /dev/null
+++ b/Mk0.Tools.TimeTools/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("Mk0.Tools.TimeTools")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Mk0.Tools.TimeTools")]
+[assembly: AssemblyCopyright("Copyright © 2019 mk0.at")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("2936250a-9426-4fd3-9f0d-a7a6c0484d43")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// indem Sie "*" wie unten gezeigt eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Mk0.Tools.TimeTools/TimeTools.cs b/Mk0.Tools.TimeTools/TimeTools.cs
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index 0000000..b94ef1e
--- /dev/null
+++ b/Mk0.Tools.TimeTools/TimeTools.cs
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+using System;
+
+namespace Mk0.Tools.TimeTools
+{
+    public static class TimeTools
+    {
+        public static DateTime RoundUp(this DateTime dt, TimeSpan d)
+        {
+            var modTicks = dt.Ticks % d.Ticks;
+            var delta = modTicks != 0 ? d.Ticks - modTicks : 0;
+            return new DateTime(dt.Ticks + delta, dt.Kind);
+        }
+
+        public static DateTime RoundDown(this DateTime dt, TimeSpan d)
+        {
+            var delta = dt.Ticks % d.Ticks;
+            return new DateTime(dt.Ticks - delta, dt.Kind);
+        }
+
+        public static DateTime RoundToNearest(this DateTime dt, TimeSpan d)
+        {
+            var delta = dt.Ticks % d.Ticks;
+            bool roundUp = delta > d.Ticks / 2;
+            var offset = roundUp ? d.Ticks : 0;
+
+            return new DateTime(dt.Ticks + offset - delta, dt.Kind);
+        }
+    }
+}
diff --git a/Mk0.Tools.TimeTools/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache b/Mk0.Tools.TimeTools/obj/Debug/DesignTimeResolveAssemblyReferencesInput.cache
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diff --git a/Mk0.Tools.TimeTools/obj/Debug/Mk0.Tools.TimeTools.csproj.CoreCompileInputs.cache b/Mk0.Tools.TimeTools/obj/Debug/Mk0.Tools.TimeTools.csproj.CoreCompileInputs.cache
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diff --git a/Mk0.Tools.TimeTools/obj/Release/Mk0.Tools.TimeTools.csproj.CoreCompileInputs.cache b/Mk0.Tools.TimeTools/obj/Release/Mk0.Tools.TimeTools.csproj.CoreCompileInputs.cache
new file mode 100644
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