1.
six days
A duration of six days.
六日かかりました。
It took six days.
六日後に届きます。
It will arrive in six days.
六日も待った。
I waited for six days.
あと六日で完成する。
It will be completed in six days.
六日間の休暇を取った。
I took a six-day vacation.
2.
the sixth (day of the month)
The sixth day of any month.
1月六日は休みです。
January 6th is a holiday.
六日に会議があります。
There's a meeting on the 6th.
来月六日に届く。
It will arrive on the 6th of next month.
六日は予定がある。
I have plans on the 6th.
六日までに終わらせる。
I'll finish it by the 6th.
六日 has two meanings: six days (duration) and the 6th (date).
USAGE:
- Duration: 六日かかる (takes six days)
- Date: 六日に会う (meet on the 6th)
DAYS OF MONTH (1-10):
- 一日: 1st
- 二日: 2nd
- 三日: 3rd
- 四日: 4th
- 五日: 5th
- 六日: 6th
- 七日: 7th
- 八日: 8th
- 九日: 9th
- 十日: 10th
NOTE:
From the 11th onward, regular counting is used (十一日, etc.).