WordNet sense 1 (a person of nearly the same age as another):

coeval

WordNet sense 2 (occurring in the same period of time):

contemporaneous

WordNet sense 3 (occurring or existing at the same time or having the same period or phase):

synchronal, synchronic

WordNet sense 4 (characteristic of the present):

modern-day

WordNet sense 5 (belonging to the present time):

present-day

WordNet sense 6 (occurring in or belonging to the present time):

current