How to Say ‘Once a month’ in Japanese
月に1回
tsuki ni 1 kai
[tsoo-kee nee ee-chee kai]
💬 Usage Tip: [月] means “month,” [に] marks frequency, and [1回] means “one time.” Together, [月に1回] is a very common pattern for saying how often something happens. Fun shortcut: you can swap the time word, like [週に1回] for “once a week.”
🇯🇵 In Japan: At career events or company introductions in Japan, phrases like [月に1回] often come up when asking about team meetings, social events, training, or office visits. Asking how often something happens can help you understand a company’s culture and work rhythm.
Phrase Breakdown
月
tsuki
[tsoo-kee]
month
A time word meaning month; in this phrase it is read as つき and means per month.
交流会は月に一回あります。
The networking event is held once a month.
に
ni
[nee]
in; per; at
A particle used to mark time or frequency, here showing the rate 'per month.'
この会社では月に一回面談があります。
At this company, there is a meeting once a month.
1
1
[ee-chee]
one
The number one; in this phrase it combines with 回 to make 'one time.'
社員との昼食会は月に一回です。
Lunch with employees is once a month.
回
kai
[kai]
times; occurrences
A counter for the number of times something happens.
説明会は月に一回開かれます。
The information session is held once a month.
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