Validity of FAA-medicals has changed

FIRST class
6 calender month, if the airman is age 40 or over (new)
12 calender month, if the airman has not reached age 40

SECOND class
12 calender month, if the airman has not reached age 40 (unchanged)

THIRD class
24 calender month if the airman has reached age 40 or over (new)
60 calender month if the airman has not reached age 40 (new)

IMPORTANT:
FAA-medicals are valid until end of month

Actual informations on the FAA homepage
www.faa.gov