ssl.cert_time_to_seconds()

ssl.cert_time_to_seconds(cert_time)

Return the time in seconds since the Epoch, given the timestring representing the “notBefore” or “notAfter” date from a certificate in "%b %d %H:%M:%S %Y %Z" strptime format (C locale).

“notBefore” or “notAfter” dates must use UTC (RFC 5280).

Month is one of: Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec UTC should be specified as GMT (see ASN1_TIME_print())