Today was really a bad day.

Today is an unlucky day, so it's better not to do anything.

Himiko is my best friend.

Hiyako is my best friend.

Aine is my best friend.

The release date of the new game is next Friday.

Leap day is a special day that only comes once every four years.

Today is a national holiday in Japan.

The history of Japan and North Korea is very long, with many events.

Trade between Japan and Brazil has been increasing in recent years.