How to Write Dates in Japanese the Easy Way

Japanese dates look intimidating for about five minutes. Then your brain notices the pattern and says, “Wait, that’s it?” Japanese writes dates from big to small: year, month, day. Very tidy. Very spreadsheet-friendly. Slightly smug.

If English dates feel like a sock drawer after a raccoon visit, Japanese dates are more like labeled boxes: 年 nen year, 月 gatsu month, and 日 nichi day. Once those three characters are in place, most dates become beautifully predictable.

This guide teaches the core date format, the tricky day readings, weekdays, and real-life date phrases you can actually use. For more beginner-friendly lessons, visit the learn Japanese hub.

The Basic Japanese Date Order

Japanese dates usually go from the largest unit to the smallest unit:

• 年 nen — year
• 月 gatsu — month
• 日 nichi — day

So “April 28, 2026” becomes:

2026年4月28日
Nisen nijūroku-nen shigatsu nijūhachi-nichi
April 28, 2026

The order is not month-day-year. It is year-month-day. Japanese looked at date confusion and said, “No thanks, we have trains to run.”

How To Write A Full Date

The most common full written format is:

2026年4月28日
Nisen nijūroku-nen shigatsu nijūhachi-nichi
April 28, 2026

You can use Arabic numerals, and that is extremely common in daily life. Forms, tickets, apps, emails, school papers, schedules, and posters all use dates like 2026年4月28日 Nisen nijūroku-nen shigatsu nijūhachi-nichi. You do not need to write the whole thing in kanji numbers unless the situation is very formal or traditional.

Here are common full-date examples:

Yak wisdom: Japanese dates are “big to small.” Year first, then month, then day. It is basically a calendar wearing a sensible jacket.

Months In Japanese

Japanese months are refreshingly simple. Use the number plus 月 gatsu. The sneaky ones are April, July, and September, because their readings are not the most obvious forms.

Days Of The Month In Japanese

Here is where Japanese dates get a little spicy. Many days use special readings from the 1st to the 10th, plus the 14th, 20th, and 24th. These are worth memorizing because they appear constantly.

For most other days, use the number plus 日 nichi. For example, 11日 jūichi-nichi is the 11th, and 28日 nijūhachi-nichi is the 28th.

Weekdays In Japanese

Weekdays use 曜日 yōbi, meaning “day of the week.” If you have seen the kanji before, yes, they look fancy. No, you do not need to panic dramatically into your tea.

Useful Date Phrases And Real-Life Sentences

今日は何日ですか。

Kyō wa nan-nichi desu ka.
What is today’s date?

今日は28日です。
Kyō wa nijūhachi-nichi desu.
Today is the 28th.

今日は何曜日ですか。

Kyō wa nan-yōbi desu ka.
What day of the week is it today?

今日は火曜日です。
Kyō wa kayōbi desu.
Today is Tuesday.

誕生日はいつですか。

Tanjōbi wa itsu desu ka.
When is your birthday?

私の誕生日は5月10日です。
Watashi no tanjōbi wa gogatsu tōka desu.
My birthday is May 10.

予約は何日ですか。

Yoyaku wa nan-nichi desu ka.
What date is the reservation?

予約は7月7日です。
Yoyaku wa shichigatsu nanoka desu.
The reservation is on July 7.

締め切りはいつですか。

Shimekiri wa itsu desu ka.
When is the deadline?

締め切りは9月30日です。
Shimekiri wa kugatsu sanjū-nichi desu.
The deadline is September 30.

会議は何月何日ですか。

Kaigi wa nangatsu nan-nichi desu ka.
What month and day is the meeting?

会議は4月28日です。
Kaigi wa shigatsu nijūhachi-nichi desu.
The meeting is on April 28.

来週の月曜日

Raishū no getsuyōbi
Next Monday

来週の月曜日に電話します。
Raishū no getsuyōbi ni denwa shimasu.
I will call next Monday.

先週の金曜日

Senshū no kinyōbi
Last Friday

先週の金曜日に友達に会いました。
Senshū no kinyōbi ni tomodachi ni aimashita.
I met a friend last Friday.

来月の15日

Raigetsu no jūgo-nichi
The 15th of next month

来月の15日に引っ越します。
Raigetsu no jūgo-nichi ni hikkoshimasu.
I will move on the 15th of next month.

去年の12月31日

Kyonen no jūnigatsu sanjūichi-nichi
December 31 of last year

去年の12月31日に帰国しました。
Kyonen no jūnigatsu sanjūichi-nichi ni kikoku shimashita.
I returned to my country on December 31 of last year.

来年の1月1日

Rainen no ichigatsu tsuitachi
January 1 of next year

来年の1月1日に新しい計画を始めます。
Rainen no ichigatsu tsuitachi ni atarashii keikaku o hajimemasu.
I will start a new plan on January 1 of next year.

How To Say “On” A Date

To say something happens “on” a date, use に ni. This little particle points to a specific time, date, or day. Tiny word, bossy job.

Do not usually use に ni with vague time words like 今日 kyō today, 明日 ashita tomorrow, or 昨日 kinō yesterday.

Japanese Era Dates

Japan also uses era years in official life. The current era is 令和 Reiwa. You may see this on government forms, certificates, school documents, and paperwork that has clearly chosen drama over simplicity.

For example:

令和8年4月28日
Reiwa hachi-nen shigatsu nijūhachi-nichi
April 28, 2026

Common Mistakes And Easy Fixes

• Do not copy English order. Write 2026年4月28日 Nisen nijūroku-nen shigatsu nijūhachi-nichi, not 4月28日2026年.
• Remember special day readings. 1日 tsuitachi, 2日 futsuka, and 20日 hatsuka are not regular number-plus-nichi forms.
• Use 4月 as shigatsu. 4月 shigatsu means April. Avoid saying yongatsu.
• Use 7月 as shichigatsu. 7月 shichigatsu means July. Nanagatsu may be understood, but shichigatsu is standard.
• Use 9月 as kugatsu. 9月 kugatsu means September. Avoid kyūgatsu.
• Use に for specific dates. 4月28日に会います。 Shigatsu nijūhachi-nichi ni aimasu. means “I will meet on April 28.”

Quick Practice

Try reading these dates out loud before checking the answers. Yes, out loud. Your mouth needs practice too; it is not just there for snacks.

Quick Reference Summary

• Japanese date order: 年・月・日 nen, gatsu, nichi — year, month, day.
• Full date example: 2026年4月28日 Nisen nijūroku-nen shigatsu nijūhachi-nichi — April 28, 2026.
• Month pattern: number + 月 gatsu, as in 5月 gogatsu — May.
• Special months: 4月 shigatsu — April, 7月 shichigatsu — July, 9月 kugatsu — September.
• Day pattern: many days use number + 日 nichi, as in 28日 nijūhachi-nichi — the 28th.
• Important special days: 1日 tsuitachi — 1st, 2日 futsuka — 2nd, 10日 tōka — 10th, 20日 hatsuka — 20th.
• Use に for “on” a date: 4月28日に Shigatsu nijūhachi-nichi ni — on April 28.

Japanese date writing is not a monster. It is a pattern with a few weird little gremlins hiding in the day readings. Learn 年 nen, 月 gatsu, and 日 nichi, then memorize the special dates like 1日 tsuitachi and 20日 hatsuka. After that, dates in Japanese become surprisingly calm. Suspiciously calm, even.