本日
today (formal)
→ Today's meeting will start at 3:00 PM.
明日
tomorrow (formal)
→ I am worried about what tomorrow's weather will be like.
前日
the previous day; the day before
→ I packed my luggage the day before the trip.
翌日
the next day; the following day
→ The day after the typhoon, trees had fallen on the road.
しあさって
two days after tomorrow
→ Please attend the meeting the day after tomorrow.
先おととい
three days ago
→ The milk I bought three days ago has already gone bad.
昨日
yesterday (formal)
→ Could you please confirm the report from yesterday?
昨年
last year (formal)
→ Sales grew significantly last year.
先日
the other day; a few days ago
→ Have you had a chance to look at the documents I sent the other day?
再来週
the week after next
→ I have an interview on Monday the week after next.
先々週
the week before last
→ The book I ordered the week before last finally arrived.
上旬
first ten days of the month; early (in the month)
→ There are also areas where cherry blossoms start blooming in early March.
中旬
middle ten days of the month; mid-month
→ The Obon holidays begin in mid-July.
下旬
last ten days of the month; late (in the month)
→ Late December is busy with Christmas and the end of the year.
深夜
late at night; midnight
→ Because I was working late into the night, I couldn't wake up in the morning.
未来
future
→ No one knows what the future holds.
数日
a few days; several days
→ I have had a cold since a few days ago.
以降
on and after; from... onwards
→ I cannot answer the phone after 5:00 PM.