Next year's calendars are already available.

Lunar calendars are used to track the phases of the moon.

Solar calendars are used to calculate the passage of time based on the movement of the sun.

Advent calendars are full of surprises!

I bought two advent calendars for Christmas.

The work schedules have been distributed to the employees.

I hung the calendar on the kitchen wall.

The lunar calendar regulates the phases of the moon.

The solar calendar follows the cycle of the seasons.

The Advent calendar is full of surprises!