also: みょうみょうごにち
in three days' time; two days after tomorrow
Refers to the day three days from today, i.e., the day after the day after tomorrow. Commonly used in scheduling and planning contexts.
明々後日の会議の準備を始めましょう。
Let's start preparing for the meeting in three days.
The trip starts in three days.
I'm planning to leave in three days.
The meeting is in three days.
I'm looking forward to the party three days from now.
Kana spelling is common in everyday writing, especially when the kanji is complex or the reading is unambiguous.
Variant kanji spelling without the iteration mark; also read しあさって.