7010
I learnt from my teacher that the days of the month from 1 to 10 use kun and
irregular pronunciations:  
一日: ついたち (irregular)  
二日: ふつか (kun)  
三日: みっか (kun)  
...  
十日: とおか (kun)

But for words like 一日目, 二日間 and 三日間後, what would be the correct pronunciation
and the rules for this? I heard 一日目 is いちにちめ and 三日間後 is みっかかんあと. Is this
correct?
CC BY-SA 3.0
2012-10-02T13:03:34.647
7009
2012-10-03T02:55:59.633
1497
question
pronunciation
Pronunciation of 日 in compound words
Yes, what you've learned is correct. The first ten days "always" (that is,
I've never found otherwise) use the kun readings, except for `一日` as you noted
with `一日目`. Also, for "later/after", the pronunciation is `ご`, not `あと`.

>   * 今日は誕生日の四日前（よっかまえ）です。 → Today is 4 days before my birthday.
>   * 九日間（ここのかかん）かかった台風 → A typhoon that lasted for 9 days
>   * クリスマスの六日後（むいかご）は大【おお】晦【みそ】日【か】です。 → 6 days after Christmas is New Year's
> Eve (Ōmisoka). / The 6th day after Christmas is New Year's Eve.
>
CC BY-SA 3.0
2012-10-02T14:36:14.403
7010
2012-10-03T02:55:59.633
2012-10-03T02:55:59.633
78
78
7009
answer