SPTimeZone.LocalTimeToUTC method

Converts the specified DateTime value from local time to Coordinated Universal Time (UTC).

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)


Public Function LocalTimeToUTC ( _
    date As DateTime _
) As DateTime
Dim instance As SPTimeZone
Dim date As DateTime
Dim returnValue As DateTime

returnValue = instance.LocalTimeToUTC(date)
public DateTime LocalTimeToUTC(
    DateTime date


  • date
    Type: System.DateTime

    A System.DateTime object that represents the local date and time value to convert.

Return value

Type: System.DateTime
A System.DateTime object that contains the date converted to UTC.


The following code example converts a date and time value to UTC and displays the converted value.

Dim siteCollection As New SPSite("http://localhost")
Dim site As SPWeb = siteCollection.AllWebs("Site_Name")

Dim regSettings As SPRegionalSettings = site.RegionalSettings
Dim timeZone As SPTimeZone = regSettings.TimeZone

Dim dateTime As New System.DateTime(2004, 7, 15, 9, 5, 30, 0)

using (SPSite oSiteCollection = new SPSite("http://localhost"))
    using (SPWeb oWebsite = oSiteCollection.AllWebs["Website_Name"])
        SPRegionalSettings oRegionalSettings = oWebsite.RegionalSettings;
        SPTimeZone oTimeZone = oRegionalSettings.TimeZone;
        System.DateTime dtDateNew = new System.DateTime(2007, 7, 15, 9, 5, 30, 0);


Certain objects implement the IDisposable interface, and you must avoid retaining these objects in memory after they are no longer needed. For information about good coding practices, see Disposing Objects.

See also


SPTimeZone class

SPTimeZone members

Microsoft.SharePoint namespace