The format of <i>date</i> is YYMMDDHHMMSSZ (the same as an ASN1 UTCTime structure), or YYYYMMDDHHMMSSZ (the same as an ASN1 GeneralizedTime structure). In both formats, seconds SS and timezone Z must be present. Alternatively, you can also use &quot;today&quot;.</p>

</dd>
<dt id="not_after-date"><b>-not_after</b> <i>date</i></dt>
<dd>

<p>When <b>-x509</b> is in use this allows the expiry date to be explicitly set, otherwise it is ignored. The format of <i>date</i> is YYMMDDHHMMSSZ (the same as an ASN1 UTC