---
title: "CFGregorianDateGetAbsoluteTime(_:_:)"
framework: corefoundation
role: symbol
role_heading: Function
path: "corefoundation/cfgregoriandategetabsolutetime(_:_:)"
---

# CFGregorianDateGetAbsoluteTime(_:_:)

Converts a Gregorian date value into an absolute time value.

## Declaration

```swift
func CFGregorianDateGetAbsoluteTime(_ gdate: CFGregorianDate, _ tz: CFTimeZone!) -> CFAbsoluteTime
```

## Parameters

- `gdate`: The Gregorian date to convert.
- `tz`: The time zone to use for time correction. Pass NULL for GMT.

## Return Value

Return Value The absolute time equivalent of gdate.

## See Also

### Core Foundation Time Utilities Miscellaneous Functions

- [CFAbsoluteTimeAddGregorianUnits(_:_:_:)](corefoundation/cfabsolutetimeaddgregorianunits(_:_:_:).md)
- [CFAbsoluteTimeGetCurrent()](corefoundation/cfabsolutetimegetcurrent().md)
- [CFAbsoluteTimeGetDayOfWeek(_:_:)](corefoundation/cfabsolutetimegetdayofweek(_:_:).md)
- [CFAbsoluteTimeGetDayOfYear(_:_:)](corefoundation/cfabsolutetimegetdayofyear(_:_:).md)
- [CFAbsoluteTimeGetDifferenceAsGregorianUnits(_:_:_:_:)](corefoundation/cfabsolutetimegetdifferenceasgregorianunits(_:_:_:_:).md)
- [CFAbsoluteTimeGetGregorianDate(_:_:)](corefoundation/cfabsolutetimegetgregoriandate(_:_:).md)
- [CFAbsoluteTimeGetWeekOfYear(_:_:)](corefoundation/cfabsolutetimegetweekofyear(_:_:).md)
- [CFGregorianDateIsValid(_:_:)](corefoundation/cfgregoriandateisvalid(_:_:).md)