gracc-apel.timer

# /etc/systemd/system/gracc-apel.timer
[Unit]
Description=Run GRACC-to-APEL reporting script

[Timer]
# Explicitly declare service that this timer is responsible for
Unit=gracc-apel.service
# Runs 'gracc-apel' relative to when the *timer-unit* has been activated
OnActiveSec=1hour
# Runs 'gracc-apel' relative to when *service-unit* was last deactivated
OnUnitInactiveSec=1hour

# Randomize runtime by a small amount each run.
RandomizedDelaySec=2min

[Install]
WantedBy=timers.target