diff --git a/scripts/global_update.sh b/scripts/global_update.sh
index 40333c0..63c2afd 100755
--- a/scripts/global_update.sh
+++ b/scripts/global_update.sh
@@ -6,15 +6,15 @@
 ARCHIVE=${1:-/srv/Shared/BrowserExtensions/archive}
 CRAWLERHOME=${2:-~/ExtensionCrawler}
 IMAGE=${3:-/shared/brucker_research1/Shared/BrowserExtensions/bin/ExtensionCrawler.img}
-LOGPREFIX=$ARCHIVE/log/`date --iso-8601=ns`
+LOGPREFIX=$ARCHIVE/log/`date --utc --iso-8601=ns`
 LOG=$LOGPREFIX-global.log 
 
-date +'* Start Updating Extensions Archive (%c)' | tee $LOG
+date --utc +'* Start Updating Extensions Archive (%c)' | tee $LOG
 
 # Update extensions
 singularity exec --bind /srv/:/srv/ $IMAGE crawler -p 40 -d -a $ARCHIVE > $LOGPREFIX.log
 
-date +'* Update Finished (%c)' | tee -a $LOG
+date --utc +'* Update Finished (%c)' | tee -a $LOG
 
 
 ERRORS=`grep ERROR $LOGPREFIX.log | sort -k 5,5 -u | wc -l`
diff --git a/scripts/update_cdnjs.sh b/scripts/update_cdnjs.sh
index deb63cc..8a9891d 100755
--- a/scripts/update_cdnjs.sh
+++ b/scripts/update_cdnjs.sh
@@ -2,24 +2,24 @@
 
 ARCHIVE=${1:-/srv/Shared/BrowserExtensions/archive}
 TMPDIR=${TMPDIR:-/tmp}
-LOGPREFIX=$ARCHIVE/log/`date --iso-8601=ns`
+LOGPREFIX=$ARCHIVE/log/`date --utc --iso-8601=ns`
 LOG=$LOGPREFIX-cdnjs.log 
 
 SING_IMG=/shared/brucker_research1/Shared/BrowserExtensions/archive/filedb/ExtensionCrawler-cdnjs.img
-date +'* Create backup of disk image (%c)' | tee -a $LOG
+date --utc +'* Create backup of disk image (%c)' | tee -a $LOG
 cp $SING_IMG $SING_IMG.bak
 SING_EXEC="singularity exec -w --pwd /opt/ExtensionCrawler -B $TMPDIR:/tmp $SING_IMG"
 ls "$SING_IMG" > /dev/null
 
 # Update production branch of WebCrawler repository
-date +'* Updating WebCrawler repository (%c)' | tee -a $LOG
+date --utc +'* Updating WebCrawler repository (%c)' | tee -a $LOG
 $SING_EXEC git fetch >> $LOG
 $SING_EXEC git checkout production >> $LOG 2>&1
 $SING_EXEC git pull >> $LOG 2>&1
 # $SING_EXEC pip3 install --system -e ../ExtensionCrawler
 
 # Update cdnjs git repository and update cdnjs data base table
-date +'* Updating CDNJS  repository (%c)' | tee -a $LOG
+date --utc +'* Updating CDNJS  repository (%c)' | tee -a $LOG
 $SING_EXEC ./cdnjs-git-miner -v -u -a /opt/archive >> $LOG
-date +'* Successfully updated CDNJS  repository (%c)' | tee -a $LOG
+date --utc +'* Successfully updated CDNJS  repository (%c)' | tee -a $LOG