noun
Greenery Day (national holiday; May 4)
A Japanese national holiday celebrating nature and greenery, part of Golden Week.
みどりの日は五月四日です。
Greenery Day is on May 4th.
みどりの日には多くの人が公園に出かけます。
On Greenery Day, many people go out to parks.
Standard kana-kanji mixed spelling for the holiday name.
Irregular kanji usage; the holiday is officially written as みどりの日.
The name みどりの日 (Greenery Day) was established in 1989 to celebrate nature and the environment, originally on April 29, later moved to May 4.