The walrus is a large marine mammal that lives in the Arctic.

Asei is my elder brother.

She decided to speak publicly about her gender identity.

We are currently using the Gregorian calendar.

Please check my history.

Japan reformed its calendar in the fifth year of the Meiji era and adopted the Gregorian calendar.

Japan revised the calendar in 1873 and adopted the Gregorian calendar.

My brother is good at playing the electric bass.

We calculate time using the solar calendar.

He is receiving treatment for scrofula.