diff --git a/commons/src/main/java/org/archive/io/Arc2Warc.java b/commons/src/main/java/org/archive/io/Arc2Warc.java
index c00a4d982..0e1f3c5e3 100644
--- a/commons/src/main/java/org/archive/io/Arc2Warc.java
+++ b/commons/src/main/java/org/archive/io/Arc2Warc.java
@@ -23,6 +23,8 @@
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.time.ZoneOffset;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
@@ -50,10 +52,6 @@
 import org.archive.uid.UUIDGenerator;
 import org.archive.util.FileUtils;
 import org.archive.util.anvl.ANVLRecord;
-import org.joda.time.DateTimeZone;
-import org.joda.time.format.DateTimeFormat;
-import org.joda.time.format.ISODateTimeFormat;
-
 
 /**
  * Convert ARCs to (sortof) WARCs.
@@ -61,6 +59,8 @@
  * @version $Date$ $Revision$
  */
 public class Arc2Warc {
+    private static final DateTimeFormatter ARC_DATE_FORMAT = DateTimeFormatter.ofPattern("yyyyMMddHHmmss")
+            .withZone(ZoneOffset.UTC);
     protected RecordIDGenerator generator = new UUIDGenerator();
     
     private static void usage(HelpFormatter formatter, Options options,
@@ -156,10 +156,8 @@ protected void write(final WARCWriter writer, final ARCRecord r)
 
        // convert ARC date to WARC-Date format
        String arcDateString = r.getHeader().getDate();
-       String warcDateString = DateTimeFormat.forPattern("yyyyMMddHHmmss")
-           .withZone(DateTimeZone.UTC)
-               .parseDateTime(arcDateString)
-                   .toString(ISODateTimeFormat.dateTimeNoMillis());
+
+       String warcDateString = DateTimeFormatter.ISO_DATE_TIME.format(ARC_DATE_FORMAT.parse(arcDateString));
        recordInfo.setCreate14DigitDate(warcDateString);
 
        ANVLRecord ar = new ANVLRecord();
diff --git a/engine/pom.xml b/engine/pom.xml
index 525296bc4..15e02ebe9 100644
--- a/engine/pom.xml
+++ b/engine/pom.xml
@@ -70,11 +70,6 @@
 			<artifactId>org.restlet.ext.crypto</artifactId>
 			<version>2.4.0</version>
 		</dependency>
-		<dependency>
-			<groupId>joda-time</groupId>
-			<artifactId>joda-time</artifactId>
-			<version>1.6</version>
-		</dependency>
 		<!-- jaxb is no longer included in jdk11+ -->
 		<dependency>
 			<groupId>javax.xml.bind</groupId>
diff --git a/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java b/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
index 994c0a242..ded08b85e 100644
--- a/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
+++ b/engine/src/main/java/org/archive/crawler/framework/CrawlJob.java
@@ -29,6 +29,7 @@
 import java.io.OutputStreamWriter;
 import java.io.PrintWriter;
 import java.nio.charset.StandardCharsets;
+import java.time.Instant;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
@@ -68,7 +69,6 @@
 import org.archive.util.ArchiveUtils;
 import org.archive.util.ObjectIdentityCache;
 import org.archive.util.TextUtils;
-import org.joda.time.DateTime;
 import org.springframework.beans.BeanWrapperImpl;
 import org.springframework.beans.BeansException;
 import org.springframework.beans.factory.BeanCreationException;
@@ -98,10 +98,10 @@ public class CrawlJob implements Comparable<CrawlJob>, ApplicationListener<Appli
     protected PathSharingContext ac; 
     protected int launchCount; 
     protected boolean isLaunchInfoPartial;
-    protected DateTime lastLaunch;
+    protected Instant lastLaunch;
     protected AlertThreadGroup alertThreadGroup;
     
-    protected DateTime xmlOkAt = new DateTime(0L);
+    protected Instant xmlOkAt = Instant.ofEpochMilli(0);
     protected Logger jobLogger;
     
     public CrawlJob(File cxml) {
@@ -154,7 +154,7 @@ public Logger getJobLogger() {
         return jobLogger;
     }
 
-    public DateTime getLastLaunch() {
+    public Instant getLastLaunch() {
         return lastLaunch;
     }
     public int getLaunchCount() {
@@ -191,7 +191,7 @@ protected void scanJobLog() {
                 Matcher m = launchLine.matcher(line);
                 if (m.matches()) {
                     launchCount++;
-                    lastLaunch = new DateTime(m.group(1));
+                    lastLaunch = Instant.parse(m.group(1));
                 }
             }
             jobLogReader.close();
@@ -251,14 +251,14 @@ public void writeHtmlTo(PrintWriter pw, String uriPrefix) {
     public void checkXML() {
         // TODO: suppress check if XML unchanged? job.log when XML changed? 
 
-        DateTime testTime = new DateTime(getPrimaryConfig().lastModified());
+        Instant testTime = Instant.ofEpochMilli(getPrimaryConfig().lastModified());
         Document doc = getDomDocument(getPrimaryConfig());
         // TODO: check for other minimal requirements, like
         // presence of a few key components (CrawlController etc.)? 
         if(doc!=null) {
             xmlOkAt = testTime; 
         } else {
-            xmlOkAt = new DateTime(0L);
+            xmlOkAt = Instant.ofEpochMilli(0);
         }
 
     }
@@ -290,7 +290,7 @@ protected Document getDomDocument(File f) {
      * @return true if the primary configuration file passed XML testing
      */
     public boolean isXmlOk() {
-        return xmlOkAt.getMillis() >= getPrimaryConfig().lastModified();
+        return xmlOkAt.toEpochMilli() >= getPrimaryConfig().lastModified();
     }
     
     
@@ -588,7 +588,7 @@ protected synchronized void doTeardown() {
             // all this stuff should happen even in case ac.close() bugs out
             ac = null;
             
-            xmlOkAt = new DateTime(0);
+            xmlOkAt = Instant.ofEpochMilli(0);
             
             if (currentLaunchJobLogHandler != null) {
                 getJobLogger().removeHandler(currentLaunchJobLogHandler);
@@ -615,7 +615,7 @@ public class JobLogFormatter extends Formatter {
         public String format(LogRecord record) {
             StringBuilder sb = new StringBuilder();
             sb
-              .append(new DateTime(record.getMillis()))
+              .append(Instant.ofEpochMilli(record.getMillis()))
               .append(" ")
               .append(record.getLevel())
               .append(" ")
diff --git a/engine/src/main/java/org/archive/crawler/restlet/models/CrawlJobModel.java b/engine/src/main/java/org/archive/crawler/restlet/models/CrawlJobModel.java
index 1ea8d8714..929a9cf1f 100644
--- a/engine/src/main/java/org/archive/crawler/restlet/models/CrawlJobModel.java
+++ b/engine/src/main/java/org/archive/crawler/restlet/models/CrawlJobModel.java
@@ -148,7 +148,7 @@ public String doubleToString(double number, int digits){
     }
     public String getLastLaunchTime(){
         long ago = System.currentTimeMillis()
-                - crawlJob.getLastLaunch().getMillis();
+                - crawlJob.getLastLaunch().toEpochMilli();
         return ArchiveUtils.formatMillisecondsToConventional(ago, 2);
     }
     /*