Issue

Your event times shown in ShortPoint elements being shifted forward or backwards when compared with event times in the SharePoint Event List / Calendar. In addition to all day events being shown in 2 days instead of one.

Solution:

• Please check that your Site's regional settings, and your User regional settings, are set to the correct timezone. You can learn more about this here: Setting proper SharePoint Time Zone for users | SharePoint Maven.
  
  
• This issue has been fixed in our ShortPoint 6.7 version, please make sure you have the latest version of ShortPoint.

If the issue is still occurring after upgrading then please don't hesitate to contact us.