what it means to be contemporary time
These adjectives mean existing or occurring at the same time. Contemporary and contemporaneous often refer to historical or indefinite time periods, with contemporary used more often of persons and contemporaneous of events and facts: The composer Salieri was contemporary with Mozart.
Contemporary history describes the period timeframe that is closely connected to the present day; it is a certain perspective of modern history. The term contemporary history has been in use at least since the early 19th century. In the widest context of this use, contemporary history is that part of history still in living memory.