---
title: "CFCalendarGetMinimumDaysInFirstWeek(_:)"
framework: corefoundation
role: symbol
role_heading: Function
path: "corefoundation/cfcalendargetminimumdaysinfirstweek(_:)"
---

# CFCalendarGetMinimumDaysInFirstWeek(_:)

Returns the minimum number of days in the first week of a specified calendar.

## Declaration

```swift
func CFCalendarGetMinimumDaysInFirstWeek(_ calendar: CFCalendar!) -> CFIndex
```

## Parameters

- `calendar`: The calendar to examine.

## Return Value

Return Value The minimum number of days in the first week of calendar.

## See Also

### Getting and Setting Day Information

- [CFCalendarGetFirstWeekday(_:)](corefoundation/cfcalendargetfirstweekday(_:).md)
- [CFCalendarSetFirstWeekday(_:_:)](corefoundation/cfcalendarsetfirstweekday(_:_:).md)
- [CFCalendarSetMinimumDaysInFirstWeek(_:_:)](corefoundation/cfcalendarsetminimumdaysinfirstweek(_:_:).md)