diff --git a/src/viewer/js/der.js b/src/viewer/js/der.js
index f2b5537..54bb775 100644
--- a/src/viewer/js/der.js
+++ b/src/viewer/js/der.js
@@ -266,11 +266,13 @@ export const parse = async (certificate) => {
   if (scts) {
     scts = Object.keys(scts.timestamps).map(x => {
       let logId = scts.timestamps[x].logID.toLowerCase();
+      let sctsTimestamp = scts.timestamps[x].timestamp;
       return {
         logId: hashify(logId),
         name: ctLogNames.hasOwnProperty(logId) ? ctLogNames[logId] : undefined,
         signatureAlgorithm: `${scts.timestamps[x].hashAlgorithm.replace('sha', 'SHA-')} ${scts.timestamps[x].signatureAlgorithm.toUpperCase()}`,
-        timestamp: `${scts.timestamps[x].timestamp.toLocaleString()} (${timeZone})`,
+        timestamp: `${sctsTimestamp.toLocaleString()} (${timeZone})`,
+        timestampUTC: sctsTimestamp.toUTCString(),
         version: scts.timestamps[x].version + 1,
       }
     });
@@ -434,7 +436,9 @@ export const parse = async (certificate) => {
     },
     issuer: parseSubsidiary(x509.issuer.typesAndValues),
     notBefore: `${x509.notBefore.value.toLocaleString()} (${timeZone})`,
+    notBeforeUTC: x509.notBefore.value.toUTCString(),
     notAfter: `${x509.notAfter.value.toLocaleString()} (${timeZone})`,
+    notAfterUTC: x509.notAfter.value.toUTCString(),
     subject: parseSubsidiary(x509.subject.typesAndValues),
     serialNumber: hashify(getObjPath(x509, 'serialNumber.valueBlock.valueHex')),
     signature: {