Date Words Chart in Japanese for Days of the Month

Japanese date words are one of those topics that look simple for about three seconds, and then the readings start doing tiny acrobatics. Cute. Very polite, very inconvenient.

For the broader learning path, visit our parent guide.

The good news is that the calendar system in Japanese follows patterns once you know what to watch for. A few dates are regular, a few are famously odd, and a few are the kind of “special guest appearances” that make learners squint. This guide gives you a clean chart, the common reading patterns, and the most useful date words you will actually meet in real life. For a related time-vocabulary lesson, see Japanese Time Words.

If you want the big picture first, the Japanese date system is built from simple blocks: day, month, year, and the special names for certain days of the month. A helpful reference for the broader idea of dates in Japanese is this basic overview on Japanese time and date vocabulary.

Core Date Words You Need First

How Japanese Dates Work

In Japanese, the most common date pattern is month + day + year. But when people speak casually, they often leave out the year if it is obvious. That means you may hear just the month and day, or even only the day if the context is already clear.

The big thing to remember is that the “day of the month” is not always read with a simple number + 日. Some dates have special readings. Yes, Japanese looked at the calendar and said, “Let’s make a few of these interesting.”

Days Of The Month Chart

This chart gives you the common readings from 1 to 31. The special forms are the ones to memorize first, because those show up constantly in speaking and reading.

The Special Reading Patterns

Here is the part that saves you from guessing. The first ten days and a few other dates have special readings. After that, many dates are more regular, built from the number plus 日.

A simple memory trick: if the day is 1–10, assume it may have a special reading. If it is 11 or higher, the reading is often more straightforward. Not always, of course. Japanese likes to keep one eyebrow raised.

Month Names In Japanese

Common Reading Patterns

Dates are usually read with month + day. In the real world, you will also hear dates in phrases like appointments, deadlines, schedules, and birthdays. The structure stays the same, but the context changes the words around it.

Useful Date Phrases

Practice Sentences

Read these out loud. Japanese date words get much easier when your mouth stops treating them like strangers.

• 会議は3日です。
  Kaigi wa mikka desu.
  The meeting is on the 3rd.
• 予約は7日です。
  Yoyaku wa nanoka desu.
  The reservation is on the 7th.
• 締め切りは10日です。
  Shimekiri wa tōka desu.
  The deadline is the 10th.
• 出発日は14日です。
  Shuppatsubi wa jūyokka desu.
  The departure date is the 14th.
• 誕生日は20日です。
  Tanjōbi wa hatsuka desu.
  The birthday is on the 20th.
• 会う日は24日です。
  Au hi wa nijūyokka desu.
  The day to meet is the 24th.
• 支払いは31日です。
  Shiharai wa sanjūichinichi desu.
  The payment is on the 31st.

Common Mistakes And Fixes

Quick Reference Summary

• 1–10 often have special readings.
• 11 and up are usually number + 日.
• Month names usually end in 〜月 and are read as ~gatsu.
• Use 何日 to ask “what day of the month?”
• Use 何月 to ask “what month?”
• Read dates with enough context to know whether the year is needed.

Yak wisdom: Japanese date words are less about memorizing everything at once and more about recognizing the handful of special forms that keep showing up like they own the place.

Once the special dates settle in, the rest becomes very manageable. Learn the odd readings first, then practice the regular ones in real sentences. After that, dates stop looking like a puzzle and start behaving like normal language. Finally. About time.