Format DateTime TimeZone

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Format DateTime TimeZone

StewartBW 1,905

Hello

This code will return -04:00 while my time zone is set to -05:00

Also, to show the -05:00 like -0500 is there a specific formatter?

Thanks :)

DateTime.Now.ToString("ddd, dd MMM yyyy HH:mm:ss zzz")

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Answer 1

Hui Liu-MSFT 48,711 Microsoft External Staff

Hi,@ StewartBW. Welcome to Microsoft Q&A.

In VB, you could achieve this by using DateTimeOffset to ensure that the correct time zone offset is used and then format the output string accordingly.



      Dim now As DateTimeOffset = DateTimeOffset.Now

      Dim formattedDate As String = now.ToString("ddd, dd MMM yyyy HH:mm:ss zzz")

      ' Replace the colon in the time zone offset with nothing

      formattedDate = formattedDate.Replace(":", "")

      Console.WriteLine(formattedDate)

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StewartBW 1,905 Reputation points

2024-07-31T15:04:08.2733333+00:00

Is this normal? :(
Hui Liu-MSFT 48,711 Reputation points Microsoft External Staff

2024-08-02T08:34:34.3066667+00:00
Hi,@ StewartBW. DateTimeOffset includes both the local date and time as well as the offset from UTC. The -0400 indicates the offset from UTC, which is typically used in Eastern Daylight Time (EDT).

The discrepancy between -0400 and UTC-05:00 might be due to daylight saving time (DST). EDT (-0400) is used during the summer months, while Eastern Standard Time (EST, -0500) is used during the rest of the year.

If you want to set or convert to a different time zone, you could use TimeZoneInfo and TimeZoneInfo.BaseUtcOffset Property.

Dim now As DateTime = DateTime.Now Dim est As TimeZoneInfo = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time") Dim easternTime As DateTimeOffset = TimeZoneInfo.ConvertTime(now, TimeZoneInfo.Local, est) Dim estOffset1 As TimeSpan = est.BaseUtcOffset Dim formattedEasternTime As String = easternTime.ToString("ddd, dd MMM yyyy HHmmss ") & " " & est.BaseUtcOffset.ToString("hh\:mm") MessageBox.Show(formattedEasternTime)

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Format DateTime TimeZone

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