Which term do historians use to describe the historical beginning of 16th century and 21st century?

Historians often refer to the historical beginning of the 16th century as the "Early Modern Period," characterized by significant developments in art, science, and exploration. Conversely, the 21st century is typically considered part of the "Contemporary Era," marked by globalization, technological advancements, and complex geopolitical dynamics. These terms help contextualize the cultural, social, and political transformations that define each period.