[thirdparty/systemd.git] / man / timedatectl.xml

<?xml version='1.0'?> <!--*-nxml-*-->
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
  "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<!--
  SPDX-License-Identifier: LGPL-2.1+

  This file is part of systemd.

  Copyright 2012 Lennart Poettering
-->

<refentry id="timedatectl" conditional='ENABLE_TIMEDATECTL'
  xmlns:xi="http://www.w3.org/2001/XInclude">

  <refentryinfo>
    <title>timedatectl</title>
    <productname>systemd</productname>

    <authorgroup>
      <author>
        <contrib>Developer</contrib>
        <firstname>Lennart</firstname>
        <surname>Poettering</surname>
        <email>lennart@poettering.net</email>
      </author>
    </authorgroup>
  </refentryinfo>

  <refmeta>
    <refentrytitle>timedatectl</refentrytitle>
    <manvolnum>1</manvolnum>
  </refmeta>

  <refnamediv>
    <refname>timedatectl</refname>
    <refpurpose>Control the system time and date</refpurpose>
  </refnamediv>

  <refsynopsisdiv>
    <cmdsynopsis>
      <command>timedatectl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command>
    </cmdsynopsis>
  </refsynopsisdiv>

  <refsect1>
    <title>Description</title>

    <para><command>timedatectl</command> may be used to query and
    change the system clock and its settings.</para>

    <para>Use
    <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
    to initialize the system time zone for mounted (but not booted)
    system images.</para>

    <para><command>timedatectl</command> may be used to show the current status of
    <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
    </para>

  </refsect1>

  <refsect1>
    <title>Options</title>

    <para>The following options are understood:</para>

    <variablelist>
      <varlistentry>
        <term><option>--no-ask-password</option></term>

        <listitem><para>Do not query the user for authentication for
        privileged operations.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><option>--adjust-system-clock</option></term>

        <listitem><para>If <command>set-local-rtc</command> is invoked
        and this option is passed, the system clock is synchronized
        from the RTC again, taking the new setting into account.
        Otherwise, the RTC is synchronized from the system
        clock.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><option>--monitor</option></term>

        <listitem><para>If <command>timesync-status</command> is invoked and this option is passed,
        then <command>timedatectl</command> monitors the status of
        <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
        and updates the outputs. Use Ctrl-C to terminate the monitoring.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><option>-a</option></term>
        <term><option>-all</option></term>

        <listitem><para>When showing properties of
        <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
        show all properties regardless of whether they are set or not.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><option>-p</option></term>
        <term><option>--property=</option></term>

        <listitem><para>When showing properties of
        <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
        limit display to certain properties as specified as argument. If not specified, all set properties are shown.
        The argument should be a property name, such as <literal>ServerName</literal>. If specified more than once,
        all properties with the specified names are shown.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><option>--value</option></term>

        <listitem>
          <para>When printing properties with <command>show-timesync</command>, only print the value, and skip the
          property name and <literal>=</literal>.</para></listitem>
      </varlistentry>

      <xi:include href="user-system-options.xml" xpointer="host" />
      <xi:include href="user-system-options.xml" xpointer="machine" />

      <xi:include href="standard-options.xml" xpointer="help" />
      <xi:include href="standard-options.xml" xpointer="version" />
      <xi:include href="standard-options.xml" xpointer="no-pager" />
    </variablelist>
  </refsect1>

  <refsect1>
    <title>Commands</title>

    <para>The following commands are understood:</para>

    <variablelist>
      <varlistentry>
        <term><command>status</command></term>

        <listitem><para>Show current settings of the system clock and RTC,
        including whether network time synchronization through
        <filename>systemd-timesyncd.service</filename> is active. Even if it is
        inactive, a different service might still synchronize the clock.
        If no command is specified, this is the implied default.
        </para></listitem>
      </varlistentry>

      <varlistentry>
        <term><command>set-time [TIME]</command></term>

        <listitem><para>Set the system clock to the specified time.
        This will also update the RTC time accordingly. The time may
        be specified in the format "2012-10-30
        18:17:16".</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><command>set-timezone [TIMEZONE]</command></term>

        <listitem><para>Set the system time zone to the specified
        value. Available timezones can be listed with
        <command>list-timezones</command>. If the RTC is configured to
        be in the local time, this will also update the RTC time. This
        call will alter the <filename>/etc/localtime</filename>
        symlink. See
        <citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>
        for more information.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><command>list-timezones</command></term>

        <listitem><para>List available time zones, one per line.
        Entries from the list can be set as the system timezone with
        <command>set-timezone</command>.</para></listitem>
      </varlistentry>

      <varlistentry>
        <term><command>set-local-rtc [BOOL]</command></term>

        <listitem><para>Takes a boolean argument. If
        <literal>0</literal>, the system is configured to maintain the
        RTC in universal time. If <literal>1</literal>, it will
        maintain the RTC in local time instead. Note that maintaining
        the RTC in the local timezone is not fully supported and will
        create various problems with time zone changes and daylight
        saving adjustments. If at all possible, keep the RTC in UTC
        mode. Note that invoking this will also synchronize the RTC
        from the system clock, unless
        <option>--adjust-system-clock</option> is passed (see above).
        This command will change the 3rd line of
        <filename>/etc/adjtime</filename>, as documented in
        <citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
        </para></listitem>
      </varlistentry>

      <varlistentry>
        <term><command>set-ntp [BOOL]</command></term>

        <listitem><para>Takes a boolean argument. Controls whether network time synchronization is active
        and enabled (if available). If the argument is true, this enables and starts the first existed
        service listed in the environment variable <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>
        of <filename>systemd-timedated.service</filename>. If the argument is false, then this disables and
        stops the all services listed in <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>.</para></listitem>
      </varlistentry>

    </variablelist>

    <refsect2><title>systemd-timesyncd Commands</title>

    <para>The following commands are specific to
    <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
    </para>

      <variablelist>
        <varlistentry>
          <term><command>timesync-status</command></term>

          <listitem><para>Show current status of
          <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
          If <option>--monitor</option> is specified, then this will monitor the status updates.</para></listitem>
        </varlistentry>

        <varlistentry>
          <term><command>show-timesync</command></term>

          <listitem><para>Show properties of the manager of
          <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
          By default, empty properties are suppressed. Use <option>--all</option> to show those too. To select specific
          properties to show, use <option>--property=</option>. This command is intended to be used whenever
          computer-parsable output is required. Use <option>timesync-status</option> if you are looking for formatted
          human-readable output.</para></listitem>
        </varlistentry>
      </variablelist>

    </refsect2>

  </refsect1>

  <refsect1>
    <title>Exit status</title>

    <para>On success, 0 is returned, a non-zero failure
    code otherwise.</para>
  </refsect1>

  <xi:include href="less-variables.xml" />

  <refsect1>
    <title>Examples</title>
    <para>Show current settings:
    <programlisting>$ timedatectl
               Local time: Thu 2017-09-21 16:08:56 CEST
           Universal time: Thu 2017-09-21 14:08:56 UTC
                 RTC time: Thu 2017-09-21 14:08:56
                Time zone: Europe/Warsaw (CEST, +0200)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no</programlisting>
    </para>

    <para>Enable network time synchronization:
    <programlisting>$ timedatectl set-ntp true
==== AUTHENTICATING FOR org.freedesktop.timedate1.set-ntp ===
Authentication is required to control whether network time synchronization shall be enabled.
Authenticating as: user
Password: ********
==== AUTHENTICATION COMPLETE ===</programlisting>

    <programlisting>$ systemctl status systemd-timesyncd.service
● systemd-timesyncd.service - Network Time Synchronization
   Loaded: loaded (/usr/lib/systemd/system/systemd-timesyncd.service; enabled)
   Active: active (running) since Mo 2015-03-30 14:20:38 CEST; 5s ago
     Docs: man:systemd-timesyncd.service(8)
 Main PID: 595 (systemd-timesyn)
   Status: "Using Time Server 216.239.38.15:123 (time4.google.com)."
   CGroup: /system.slice/systemd-timesyncd.service
           └─595 /usr/lib/systemd/systemd-timesyncd
…</programlisting>
    </para>

    <para>Show current status of
    <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>:
    <programlisting>$ timedatectl timesync-status
       Server: 216.239.38.15 (time4.google.com)
Poll interval: 1min 4s (min: 32s; max 34min 8s)
         Leap: normal
      Version: 4
      Stratum: 1
    Reference: GPS
    Precision: 1us (-20)
Root distance: 335us (max: 5s)
       Offset: +316us
        Delay: 349us
       Jitter: 0
 Packet count: 1
    Frequency: -8.802ppm</programlisting>
    </para>

  </refsect1>

  <refsect1>
    <title>See Also</title>
    <para>
      <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
      <citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
      <citerefentry project='man-pages'><refentrytitle>date</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>systemd-timedated.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
      <citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
    </para>
  </refsect1>

</refentry>
Commit	Line	Data
6d0274f1 LP	1	<?xml version='1.0'?> <!---nxml--->
6d0274f1 LP	2	<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
12b42c76	3	"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
6d0274f1 LP	4
6d0274f1 LP	5	<!--
572eb058 ZJS	6	SPDX-License-Identifier: LGPL-2.1+
572eb058 ZJS	7
6d0274f1 LP	8	This file is part of systemd.
	9
	10	Copyright 2012 Lennart Poettering
6d0274f1 LP	11	-->
6d0274f1 LP	12
1e4acc77	13	<refentry id="timedatectl" conditional='ENABLE_TIMEDATECTL'
798d3a52 ZJS	14	xmlns:xi="http://www.w3.org/2001/XInclude">
	15
	16	<refentryinfo>
	17	<title>timedatectl</title>
	18	<productname>systemd</productname>
	19
	20	<authorgroup>
	21	<author>
	22	<contrib>Developer</contrib>
	23	<firstname>Lennart</firstname>
	24	<surname>Poettering</surname>
	25	<email>lennart@poettering.net</email>
	26	</author>
	27	</authorgroup>
	28	</refentryinfo>
	29
	30	<refmeta>
	31	<refentrytitle>timedatectl</refentrytitle>
	32	<manvolnum>1</manvolnum>
	33	</refmeta>
	34
	35	<refnamediv>
	36	<refname>timedatectl</refname>
	37	<refpurpose>Control the system time and date</refpurpose>
	38	</refnamediv>
	39
	40	<refsynopsisdiv>
	41	<cmdsynopsis>
	42	<command>timedatectl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command>
	43	</cmdsynopsis>
	44	</refsynopsisdiv>
	45
	46	<refsect1>
	47	<title>Description</title>
	48
	49	<para><command>timedatectl</command> may be used to query and
	50	change the system clock and its settings.</para>
	51
	52	<para>Use
	53	<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
	54	to initialize the system time zone for mounted (but not booted)
	55	system images.</para>
1e4acc77 YW	56
	57	<para><command>timedatectl</command> may be used to show the current status of
	58	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	59	</para>
	60
798d3a52 ZJS	61	</refsect1>
	62
	63	<refsect1>
	64	<title>Options</title>
	65
	66	<para>The following options are understood:</para>
	67
	68	<variablelist>
	69	<varlistentry>
	70	<term><option>--no-ask-password</option></term>
	71
	72	<listitem><para>Do not query the user for authentication for
	73	privileged operations.</para></listitem>
	74	</varlistentry>
	75
	76	<varlistentry>
	77	<term><option>--adjust-system-clock</option></term>
	78
	79	<listitem><para>If <command>set-local-rtc</command> is invoked
	80	and this option is passed, the system clock is synchronized
	81	from the RTC again, taking the new setting into account.
	82	Otherwise, the RTC is synchronized from the system
	83	clock.</para></listitem>
	84	</varlistentry>
	85
1e4acc77 YW	86	<varlistentry>
	87	<term><option>--monitor</option></term>
	88
	89	<listitem><para>If <command>timesync-status</command> is invoked and this option is passed,
	90	then <command>timedatectl</command> monitors the status of
	91	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
	92	and updates the outputs. Use Ctrl-C to terminate the monitoring.</para></listitem>
	93	</varlistentry>
	94
	95	<varlistentry>
	96	<term><option>-a</option></term>
	97	<term><option>-all</option></term>
	98
	99	<listitem><para>When showing properties of
	100	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	101	show all properties regardless of whether they are set or not.</para></listitem>
	102	</varlistentry>
	103
	104	<varlistentry>
	105	<term><option>-p</option></term>
	106	<term><option>--property=</option></term>
	107
	108	<listitem><para>When showing properties of
	109	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	110	limit display to certain properties as specified as argument. If not specified, all set properties are shown.
	111	The argument should be a property name, such as <literal>ServerName</literal>. If specified more than once,
	112	all properties with the specified names are shown.</para></listitem>
	113	</varlistentry>
	114
	115	<varlistentry>
	116	<term><option>--value</option></term>
	117
	118	<listitem>
	119	<para>When printing properties with <command>show-timesync</command>, only print the value, and skip the
	120	property name and <literal>=</literal>.</para></listitem>
	121	</varlistentry>
	122
798d3a52 ZJS	123	<xi:include href="user-system-options.xml" xpointer="host" />
	124	<xi:include href="user-system-options.xml" xpointer="machine" />
	125
	126	<xi:include href="standard-options.xml" xpointer="help" />
	127	<xi:include href="standard-options.xml" xpointer="version" />
	128	<xi:include href="standard-options.xml" xpointer="no-pager" />
	129	</variablelist>
24fcd009 YW	130	</refsect1>
	131
	132	<refsect1>
	133	<title>Commands</title>
798d3a52 ZJS	134
	135	<para>The following commands are understood:</para>
	136
	137	<variablelist>
	138	<varlistentry>
	139	<term><command>status</command></term>
	140
1b7ac91f ZJS	141	<listitem><para>Show current settings of the system clock and RTC,
	142	including whether network time synchronization through
	143	<filename>systemd-timesyncd.service</filename> is active. Even if it is
	144	inactive, a different service might still synchronize the clock.
24fcd009	145	If no command is specified, this is the implied default.
1b7ac91f	146	</para></listitem>
798d3a52 ZJS	147	</varlistentry>
	148
	149	<varlistentry>
	150	<term><command>set-time [TIME]</command></term>
	151
	152	<listitem><para>Set the system clock to the specified time.
	153	This will also update the RTC time accordingly. The time may
	154	be specified in the format "2012-10-30
	155	18:17:16".</para></listitem>
	156	</varlistentry>
	157
	158	<varlistentry>
	159	<term><command>set-timezone [TIMEZONE]</command></term>
	160
	161	<listitem><para>Set the system time zone to the specified
	162	value. Available timezones can be listed with
	163	<command>list-timezones</command>. If the RTC is configured to
	164	be in the local time, this will also update the RTC time. This
	165	call will alter the <filename>/etc/localtime</filename>
	166	symlink. See
	167	<citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>
	168	for more information.</para></listitem>
	169	</varlistentry>
	170
	171	<varlistentry>
	172	<term><command>list-timezones</command></term>
	173
	174	<listitem><para>List available time zones, one per line.
	175	Entries from the list can be set as the system timezone with
	176	<command>set-timezone</command>.</para></listitem>
	177	</varlistentry>
	178
	179	<varlistentry>
	180	<term><command>set-local-rtc [BOOL]</command></term>
	181
	182	<listitem><para>Takes a boolean argument. If
	183	<literal>0</literal>, the system is configured to maintain the
	184	RTC in universal time. If <literal>1</literal>, it will
	185	maintain the RTC in local time instead. Note that maintaining
	186	the RTC in the local timezone is not fully supported and will
	187	create various problems with time zone changes and daylight
	188	saving adjustments. If at all possible, keep the RTC in UTC
	189	mode. Note that invoking this will also synchronize the RTC
	190	from the system clock, unless
	191	<option>--adjust-system-clock</option> is passed (see above).
	192	This command will change the 3rd line of
	193	<filename>/etc/adjtime</filename>, as documented in
	194	<citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	195	</para></listitem>
	196	</varlistentry>
	197
	198	<varlistentry>
	199	<term><command>set-ntp [BOOL]</command></term>
	200
326208e0 YW	201	<listitem><para>Takes a boolean argument. Controls whether network time synchronization is active
	202	and enabled (if available). If the argument is true, this enables and starts the first existed
	203	service listed in the environment variable <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>
	204	of <filename>systemd-timedated.service</filename>. If the argument is false, then this disables and
	205	stops the all services listed in <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>.</para></listitem>
798d3a52 ZJS	206	</varlistentry>
	207
	208	</variablelist>
	209
1e4acc77 YW	210	<refsect2><title>systemd-timesyncd Commands</title>
	211
	212	<para>The following commands are specific to
	213	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	214	</para>
	215
	216	<variablelist>
	217	<varlistentry>
	218	<term><command>timesync-status</command></term>
	219
	220	<listitem><para>Show current status of
	221	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	222	If <option>--monitor</option> is specified, then this will monitor the status updates.</para></listitem>
	223	</varlistentry>
	224
	225	<varlistentry>
	226	<term><command>show-timesync</command></term>
	227
	228	<listitem><para>Show properties of the manager of
	229	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	230	By default, empty properties are suppressed. Use <option>--all</option> to show those too. To select specific
	231	properties to show, use <option>--property=</option>. This command is intended to be used whenever
	232	computer-parsable output is required. Use <option>timesync-status</option> if you are looking for formatted
	233	human-readable output.</para></listitem>
	234	</varlistentry>
	235	</variablelist>
	236
	237	</refsect2>
	238
798d3a52 ZJS	239	</refsect1>
	240
	241	<refsect1>
	242	<title>Exit status</title>
	243
	244	<para>On success, 0 is returned, a non-zero failure
	245	code otherwise.</para>
	246	</refsect1>
	247
	248	<xi:include href="less-variables.xml" />
	249
	250	<refsect1>
	251	<title>Examples</title>
	252	<para>Show current settings:
	253	<programlisting>$ timedatectl
326208e0 YW	254	Local time: Thu 2017-09-21 16:08:56 CEST
	255	Universal time: Thu 2017-09-21 14:08:56 UTC
	256	RTC time: Thu 2017-09-21 14:08:56
	257	Time zone: Europe/Warsaw (CEST, +0200)
	258	System clock synchronized: yes
	259	NTP service: active
	260	RTC in local TZ: no</programlisting>
798d3a52	261	</para>
be1015dd	262
b90930c7	263	<para>Enable network time synchronization:
798d3a52	264	<programlisting>$ timedatectl set-ntp true
be1015dd ZJS	265	==== AUTHENTICATING FOR org.freedesktop.timedate1.set-ntp ===
	266	Authentication is required to control whether network time synchronization shall be enabled.
	267	Authenticating as: user
	268	Password: ********
9fccdb0f	269	==== AUTHENTICATION COMPLETE ===</programlisting>
be1015dd	270
57506e7d LP	271	<programlisting>$ systemctl status systemd-timesyncd.service
57506e7d LP	272	● systemd-timesyncd.service - Network Time Synchronization
12b42c76	273	Loaded: loaded (/usr/lib/systemd/system/systemd-timesyncd.service; enabled)
57506e7d LP	274	Active: active (running) since Mo 2015-03-30 14:20:38 CEST; 5s ago
	275	Docs: man:systemd-timesyncd.service(8)
	276	Main PID: 595 (systemd-timesyn)
	277	Status: "Using Time Server 216.239.38.15:123 (time4.google.com)."
	278	CGroup: /system.slice/systemd-timesyncd.service
12b42c76	279	└─595 /usr/lib/systemd/systemd-timesyncd
1eecafb8	280	…</programlisting>
798d3a52	281	</para>
1e4acc77 YW	282
	283	<para>Show current status of
	284	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>:
	285	<programlisting>$ timedatectl timesync-status
	286	Server: 216.239.38.15 (time4.google.com)
	287	Poll interval: 1min 4s (min: 32s; max 34min 8s)
	288	Leap: normal
	289	Version: 4
	290	Stratum: 1
	291	Reference: GPS
	292	Precision: 1us (-20)
	293	Root distance: 335us (max: 5s)
	294	Offset: +316us
	295	Delay: 349us
	296	Jitter: 0
	297	Packet count: 1
	298	Frequency: -8.802ppm</programlisting>
	299	</para>
	300
798d3a52 ZJS	301	</refsect1>
	302
	303	<refsect1>
	304	<title>See Also</title>
	305	<para>
	306	<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	307	<citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	308	<citerefentry project='man-pages'><refentrytitle>date</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	309	<citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	310	<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	311	<citerefentry><refentrytitle>systemd-timedated.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
ff5921ba	312	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
798d3a52 ZJS	313	<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
	314	</para>
	315	</refsect1>
6d0274f1 LP	316
6d0274f1 LP	317	</refentry>