A campaign may start a few minutes earlier or later than the configured time due to internal preparation processes or environment time settings.
Reason for the Behavior
The start of a campaign does not always mean that emails are sent immediately at the configured moment.
This is because, when the start date and time arrive, the platform performs preliminary tasks such as:
Processing the recipient users
Preparing the campaign
Generating the sends
Depending on the number of users, this process can take a few minutes, which may cause a difference between the scheduled time and the first actual send.
Sends Distributed Over Time
In campaigns with specific settings, such as distributed sends:
Emails may not be sent exactly at the start time
The sending may begin progressively
For example, in campaigns with random sending:
Sends occur between 9:00 AM and 6:00 PM
In different batches throughout the day
Therefore, it is possible there are no sends exactly at the initial scheduled time
Time Zone Configuration
Another possible reason is time settings:
Daylight saving time changes
Time zone configuration of the admin user
Differences between the local environment and the platform
Although the platform manages these changes automatically, there can be specific cases where the adjustment is not reflected immediately.
Considerations
This is not a platform error
It is expected behavior based on processing and configuration
The difference is usually only a few minutes
š” Best Practices
Allow a tolerance window when scheduling campaigns
Verify the environmentās time zone before scheduling
Validate behavior with test campaigns if necessary