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DateTimeOffset Constructor (DateTime, TimeSpan)

.NET Framework 4.5

Initializes a new instance of the DateTimeOffset structure using the specified DateTime value and offset.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public DateTimeOffset(
	DateTime dateTime,
	TimeSpan offset
)

Parameters

dateTime: Type: System.DateTime
A date and time.

offset: Type: System.TimeSpan
The time's offset from Coordinated Universal Time (UTC).

Exceptions

Exception	Condition
ArgumentException	dateTime.Kind equals Utc and offset does not equal zero. -or- dateTime.Kind equals Local and offset does not equal the offset of the system's local time zone. -or- offset is not specified in whole minutes.
ArgumentOutOfRangeException	offset is less than -14 hours or greater than 14 hours. -or- UtcDateTime is less than MinValue or greater than MaxValue.

Exception

Condition

ArgumentException

dateTime.Kind equals Utc and offset does not equal zero.

-or-

dateTime.Kind equals Local and offset does not equal the offset of the system's local time zone.

-or-

offset is not specified in whole minutes.

ArgumentOutOfRangeException

offset is less than -14 hours or greater than 14 hours.

-or-

UtcDateTime is less than MinValue or greater than MaxValue.

Remarks

This constructor's behavior depends in part on the value of the Kind property of the dateTime parameter:

If the value of Kind is DateTimeKind.Utc, the value of the offset parameter must be 0 or an ArgumentException is thrown.
If the value of Kind is DateTimeKind.Local, the value of the offset parameter must be equal to the local time zone's offset from Coordinated Universal Time (UTC) for that particular date or an ArgumentException is thrown.
If the value of Kind is DateTimeKind.Unspecified, the offset parameter can have any valid value.

Examples

The following example shows how to initialize a DateTimeOffset object with a date and time and the offset of the local time zone when that time zone is not known in advance.

DateTime localTime = new DateTime(2007, 07, 12, 06, 32, 00); 
DateTimeOffset dateAndOffset = new DateTimeOffset(localTime, 
                         TimeZoneInfo.Local.GetUtcOffset(localTime));
Console.WriteLine(dateAndOffset);
// The code produces the following output: 
//    7/12/2007 6:32:00 AM -07:00

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5 SP1, 3.0 SP1, 2.0 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

DateTimeOffset Structure

DateTimeOffset Overload

System Namespace

Other Resources

Instantiating a DateTimeOffset Object

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