public void setQuietTime(QuietTime quietTime) {
        this.quietTime = quietTime;
    }
<p>
The quiet time settings for the journey. Quiet time is a specific time range when a journey doesn't send messages
to participants, if all the following conditions are met:
</p>
<ul>
<li>
<p>
The EndpointDemographic.Timezone property of the endpoint for the participant is set to a valid value.
</p>
</li>
<li>
<p>
The current time in the participant's time zone is later than or equal to the time specified by the
QuietTime.Start property for the journey.
</p>
</li>
<li>
<p>
The current time in the participant's time zone is earlier than or equal to the time specified by the
QuietTime.End property for the journey.
</p>
</li>
</ul>
<p>
If any of the preceding conditions isn't met, the participant will receive messages from the journey, even if
quiet time is enabled.
</p>

@param quietTime
       The quiet time settings for the journey. Quiet time is a specific time range when a journey doesn't send
       messages to participants, if all the following conditions are met:</p>
       <ul>
       <li>
       <p>
       The EndpointDemographic.Timezone property of the endpoint for the participant is set to a valid value.
       </p>
       </li>
       <li>
       <p>
       The current time in the participant's time zone is later than or equal to the time specified by the
       QuietTime.Start property for the journey.
       </p>
       </li>
       <li>
       <p>
       The current time in the participant's time zone is earlier than or equal to the time specified by the
       QuietTime.End property for the journey.
       </p>
       </li>
       </ul>
       <p>
       If any of the preceding conditions isn't met, the participant will receive messages from the journey, even
       if quiet time is enabled.
aws-java-sdk-pinpoint/src/main/java/com/amazonaws/services/pinpoint/model/JourneyResponse.java