around; about; when
Indicates an approximate time or point in time, equivalent to 'around' or 'when'.
This particle-like noun expresses an approximate time or period. It can be used with clock times, dates, seasons, and also with actions to mean 'when I did something' or 'around the time I do something'. It is very common in everyday conversation and writing.
When referring to a specific clock time, it is usually read as 'goro' and often written in hiragana. When referring to a broader period or a verb phrase, it is read as 'koro'. For example, '三時ごろ' means 'around 3 o'clock', while '子供の頃' means 'when I was a child'. With verbs, you can say '帰る頃' (around the time I go home) or '帰った頃' (around the time I went home).
It is important to note that '頃' is not used for exact times; it always implies approximation. Also, it is not used for durations (like 'for two hours'), only for points or periods of time.