Instance Property
includingFractionalSeconds
iOS 26.0+
iPadOS 26.0+
Mac Catalyst 26.0+
macOS 26.0+
tvOS 26.0+
visionOS 26.0+
watchOS 26.0+
If set, fractional seconds will be present in formatted output. Fractional seconds may be present in parsing regardless of the setting of this property.
var includingFractionalSeconds: Bool { get }