★ The ninth in Japanese is 9日 (kokonoka). ……………………………………………………………………………….. ★ The tenth in Japanese is 10日 (tōka). ……………………………………………………………………………….. ★ All other days of the month, with the exception of the 14th, the The counter is にち (日) and you can simply add the number of the day. There are a few exceptions that are marked in red that you should pay attention to. How to say Days of the Month Japanese. ついたち: 1st ふつか: 2nd みっか: 3rd よっか: 4th いつか: 5th むいか: 6th なのか: 7th ようか: 8th ここのか: 9th 9th: kokonoka: 九日: ここのか: 10th: tooka: 十日: とおか: 11th: juuichinichi: 十一日: じゅういちにち: 12th: juuninichi: 十二日: じゅうににち: 13th: juusannichi: 十三日: じゅうさんにち: 14th: juuyokka: 十四日: じゅうよっか: 15th: juugonichi: 十五日: じゅうごにち: 16th: juurokunichi All days of the week in Japanese follow a simple pattern. They all contain "youbi" or "曜日" in Japanese. Which sounds like "yo B." Get it? So, if you're a beginner and if you hear a "youbi," that's how you know you heard some day of the week in Japanese. So, here's the list of the days of the week in Japanese. Monday - 月曜日 - Getsuyoubi So basically the first 10 days of the month and the 20th of the month are exceptions. Other than the first of the month and the 20th the other 9 days are pretty close to the native Japanese numbers. Other than that dates ending in 4 are all similar to the 4th of the month, and there are two ways to say dates ending in a 7 or a 9. ODd0Vw.