timer
#  SPDX-License-Identifier: LGPL-2.1-or-later
[Unit]
Description=Daily Cleanup of Temporary Directories
Documentation=man:tmpfiles.d(5) man:systemd-tmpfiles(8)

[Timer]
OnBootSec=15min
OnUnitActiveSec=1d
OnBootSec=1s
OnStartupSec=234
OnUnitActiveSec=2y
OnUnitInactiveSec=23434
OnCalendar=minutely
OnCalendar=*-*-* *:*:00
OnCalendar=hourly
OnCalendar=*-*-* *:00:00
OnCalendar=daily
OnCalendar=*-*-* 00:00:00
OnCalendar=monthly
OnCalendar=*-*-01 00:00:00
OnCalendar=weekly
OnCalendar=Mon *-*-* 00:00:00
OnCalendar=yearly
OnCalendar=*-01-01 00:00:00
OnCalendar=quarterly
OnCalendar=*-01,04,07,10-01 00:00:00
OnCalendar=semiannually
OnCalendar=*-01,07-01 00:00:00
OnCalendar=Fri 2012-11-23 11:12:13

Persistent=true
AccuracySec=24h
RandomizedDelaySec=234234234
FixedRandomDelay=true

Persistent=no
Unit=foo.service

WakeSystem=false
RemainAfterElapse=true