I am working on a fix for a User Initiated send created from SSJS. We create the email send definition and add the appropriate properties (CustomerKey, Name, IsMultipart, SendClassification, SendDefinitionList, Email and EmailSubject). The code then does and InvokeCreate with the email send definition. The email is then scheduled via a EmailSendDefinition.Send(ScheduleTime).

Here is the code to schedule the send.

// Schedule the Send
var scheduleTime = new Date(eventDateTime);
scheduleTime.setHours(scheduleTime.getHours() - 3);
var oneHourSend = Send.Definition.Init(sendDefName);

All worked well until DST hit. We are now sending the one hour reminders 2 hours early. I am sure it has to do with the account default being CST.

I see there is a TimeZone object we can attach to the EmailSendDefinition. Is this how we set the BU on the account to send in “Eastern Time”? If so, is there a document that will show what properties are required to be set on the TimeZone object and what properties are optional? Is there an easier or better way to do this?

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2 Answers 2


Found this doc on the object:


If that isn't working, you could always do a Retrieve on the SendDef to see what it is pulling back as example of how to set the TimeZone.


From the doc:

Contains time zone information for an Account. For Create and Update calls, this property defines the time zone for an Account object. On a Retrieve call, TimeZone indicates which time zone is in effect for the Account object in question. Without a specific time zone, the Account defaults to Central Standard Time.


Yes, it does sound like you are having timezone issues. I'm unsure of how you would handle this off the top of my head, but always converting your timezone into 1 standard format then using code to adjust it to the current user's timezone in which is running your context is probably your test choice.

TimeZone Class Doc

DateTime Class Doc

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