He is studying about past presidents.

When I looked into his history, some very interesting facts came to light.

What is today's date in the lunar calendar?

My brother is good at playing the electric bass.

He is receiving treatment for scrofula.

He learned about the elekiter in history class.

We celebrate the New Year according to the old calendar.

We track the date using the Gregorian calendar.

There are regions that hold festivals based on the lunar calendar.

We celebrated as a family because my father reached his sexagenarian.