Aspose Examples > .NET Components > Aspose.Tasks > VB.NET > Writing customized calendar to MS Project file in xml format
Define weekdays for the project calendar using table below and press 'Create Project Calendar' button to create a project calendar using Aspose.Tasks with name 'Calendar1' and customized weekdays. If there is a problem with a day because of invalid timings, that day will be defined with default timings as you see on page load.

Week DayDay TypePre-Break TimingsPost-Break Timings
Monday : - : : - :
Tuesday : - : : - :
Wednesday : - : : - :
Thursday : - : : - :
Friday : - : : - :
Saturday : - : : - :
Sunday : - : : - :