Class
TimeZone
Description
Used to identify a time zone in relationship to a Date.
Properties
Name |
Type |
Read-Only |
Shared |
|---|---|---|---|
✓ |
|||
✓ |
Property descriptions
TimeZone.Abbreviation
Abbreviation As String
The abbreviation for the time zone.
This property is read-only.
Get the abbreviation for the current time zone:
Var tz As String
tz = TimeZone.Current.Abbreviation
// tz = "America/New_York", if in US Eastern Time Zone
TimeZone.SecondsFromGMT
SecondsFromGMT As Integer
The GMT offset in seconds.
This property is read-only.
Gets the GMT offset in seconds for the current time zone:
Var gmtOffset As Integer
gmtOffset = TimeZone.Current.SecondsFromGMT
// gmtOffset = -14400 (4 hours), if US Eastern Time Zone using daylight savings time, -18000 otherwise
Method descriptions
TimeZone.Constructor
Constructor(gmtOffsetInSeconds As Integer)
Note
Constructors are special methods called when you create an object with the New keyword and pass in the parameters above.
Creates a time zone using the specified GMT offset.
TimeZone.Constructor
Constructor(name As String)
Note
Constructors are special methods called when you create an object with the New keyword and pass in the parameters above.
Creates a time zone using the specified name. If the name is invalid, then an InvalidArgumentException is raised.
Refer to the List of tz database time zones on Wikipedia.
Create time zone for GMT:
Var gmt As New TimeZone("GMT")
Var ny As New TimeZone("America/New_York")
Var berlin As New TimeZone("Europe/Berlin")
Var tokyo As New TimeZone("Asia/Tokyo")
TimeZone.Current
Current As TimeZone
The current time zone.
Get the current time zone:
Var tz As String
tz = TimeZone.Current.Abbreviation
// tz = "America/New_York", if in US Eastern Time Zone
Notes
Use any valid TimeZone. A list of common time zones is available here.
Sample code
Creates a DateTime for Berlin TimeZone that matches the local TimeZone's hours and minutes:
Var d As DateTime = DateTime.Now(New TimeZone("Europe/Berlin"))
Convert a date in the local time zone to the GMT time zone:
Var date1 As DateTime = New DateTime(2021, 2, 1, 13, 0, 0, 0, TimeZone.Current)
Var gmt As New TimeZone(0) // Get GMT time zone
Var gmtDate As New DateTime(date1.SecondsFrom1970, gmt)
Compatibility
All project types on all supported operating systems.