You can adjust the time series for every dashboard you create. You can choose from the popular options - like week, month, year etc. or you can create a custom time zone. This calendar on left is the starting date, and calendar on right is your ending date.
Click on the ‘calendar’ icon on the top left of the page
Select the time stamp of your choice – Today, Yesterday, Last Week and many more
In case of ‘Custom Range’, specify the starting and the ending date
Click the ‘filter’ icon to view data from this specific time period