public java.util.Date getCreateTime() {
        return this.createTime;
    }
<p>
If you used Amazon EC2 to create the key pair, this is the date and time when the key was created, in <a
href="https://www.iso.org/iso-8601-date-and-time-format.html">ISO 8601 date-time format</a>, in the UTC time
zone.
</p>
<p>
If you imported an existing key pair to Amazon EC2, this is the date and time the key was imported, in <a
href="https://www.iso.org/iso-8601-date-and-time-format.html">ISO 8601 date-time format</a>, in the UTC time
zone.
</p>

@return If you used Amazon EC2 to create the key pair, this is the date and time when the key was created, in <a
        href="https://www.iso.org/iso-8601-date-and-time-format.html">ISO 8601 date-time format</a>, in the UTC
        time zone.</p>
        <p>
        If you imported an existing key pair to Amazon EC2, this is the date and time the key was imported, in <a
        href="https://www.iso.org/iso-8601-date-and-time-format.html">ISO 8601 date-time format</a>, in the UTC
        time zone.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/KeyPairInfo.java