By default, your working hours in Outlook 2013 are set to 8:00 AM to 5:00 PM., Monday through Friday. However, you can change these times.
To change your workday times:
To change your workday times in Outlook 2007, select Tools and then select Options. Click Calendar Options.
You can change your calendar's time zone to suit your needs.
To change the calendar's time zone:
To change time zones times in Outlook 2007, select Tools and then select Options. Click Calendar Options and then Time Zone.
One of the new features of Outlook 2013 is that the calendar displays a three-day forecast.
To change the forecast location, click the arrow next to the city, and type a zip code or the name of a place in the Add Location field.