Translation guide
The English word 'era' refers to a long and distinct period of history. In Japanese, the most common equivalent is 時代 (jidai), but the specific term used depends on context, such as historical periods, imperial reign names, or geological time scales.
Referring to a distinct period in history characterized by particular events, culture, or conditions.
The most common and versatile word for 'era' or 'age'. It can be used for historical periods, cultural epochs, or personal life stages.
The Meiji era was a period when Japan modernized.
The internet era has begun.
Often used for decades or specific time spans, like the 1960s. Can also mean 'age' in a chronological sense.
The 1960s was an era of great social change.
Refers to a period or phase, often with a focus on timing rather than a named historical era. More like 'time' or 'period'.
During that era, the economy was unstable.
Referring to a Japanese imperial era name (gengō) like Reiwa, Heisei, Shōwa.
The term for the Japanese era name system. Use this when talking about the era name itself.
The current Japanese era name is Reiwa.
When combined with the era name, e.g., 令和時代 (Reiwa era). This is the natural way to say 'the Reiwa era'.
Referring to a major division of geological time, such as the Mesozoic Era.
Emphasizing the beginning of a new period, often with a sense of change.
English uses 'era' broadly (e.g., 'the smartphone era'). In Japanese, 時代 is natural, but sometimes a more specific word like 時期 or 年代 is better. Avoid directly translating 'era' as 時代 in every case; consider the nuance of the time span.
時代 (jidai) is the most general and common for 'era' or 'age'. 年代 (nendai) is often used for decades or specific numbered years. 時期 (jiki) is more about a phase or timing, less about a named historical period.
It's only been a few years since the Reiwa era began.
Ice ages have occurred many times.
The closing of that shop felt like the end of an era.