How do I change the time zone in yahoo mail. and default font?

When I receive a e-mail the time stamp as to when it was sent is set on PST and I would like to change it to EST.



Also how do you change the text size and font type so you don't have to select it each time you write an email?How do I change the time zone in yahoo mail. and default font?
Emails originating in the Yahoo system carry a time stamp according to the main servers on the west coast of N.America (time zone PDT or PST). This is a default time that CANNOT be changed by users.



There is no provision in Y.Mail to save format settings. Each email must be formatted individually.How do I change the time zone in yahoo mail. and default font?
Use date and time in the control panel for the time zone. If you compose in color and graphics there is no save feature.