Appointment spans two days or appointment date/time is wrong (time zone issues)
One or more of these issues:
This is caused by the fact that the time zones of your calendar(s) differ from the time zone of your device (PC/Laptop/Tablet).
Set the time zones of your device and calendars the same. Follow the steps below.
Close OneCalendar with one of the following options:
Open the start menu and type 'date and time settings'
Click Time and Language
Click Date and Time and set the time zone to your current time zone
Open your Google Calendar in the browser and select the calendar settings
NOTE: You will have to do this for all Calendars!Correct the timezone
Open your Live/Outlook/Hotmail Calendar in the browser and select Options
Set timezone