* `year-calendar-subhead` - For example, "Months".
* `year-calendar-month-link`, `year-calendar-month-nolink`,
`year-calendar-month-future`, `year-calendar-this-month` - The month
* `year-calendar-subhead` - For example, "Months".
* `year-calendar-month-link`, `year-calendar-month-nolink`,
`year-calendar-month-future`, `year-calendar-this-month` - The month