[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+
-->

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

  <refentryinfo>
    <title>timedatectl</title>
    <productname>systemd</productname>
  </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>show</command></term>

        <listitem><para>Show the same information as <option>status</option>, but in machine readable form.
        This command is intended to be used whenever computer-parsable output is required.
        Use <option>status</option> if you are looking for formatted human-readable output.</para>
        <para>By default, empty properties are suppressed. Use <option>--all</option> to show those too.
        To select specific properties to show, use <option>--property=</option>.</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 the same information as <option>timesync-status</option>, but in machine readable form.
          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>
          <para>By default, empty properties are suppressed. Use <option>--all</option> to show those too.
          To select specific properties to show, use <option>--property=</option>.</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	6	SPDX-License-Identifier: LGPL-2.1+
6d0274f1 LP	7	-->
6d0274f1 LP	8
1e4acc77	9	<refentry id="timedatectl" conditional='ENABLE_TIMEDATECTL'
798d3a52 ZJS	10	xmlns:xi="http://www.w3.org/2001/XInclude">
	11
	12	<refentryinfo>
	13	<title>timedatectl</title>
	14	<productname>systemd</productname>
798d3a52 ZJS	15	</refentryinfo>
	16
	17	<refmeta>
	18	<refentrytitle>timedatectl</refentrytitle>
	19	<manvolnum>1</manvolnum>
	20	</refmeta>
	21
	22	<refnamediv>
	23	<refname>timedatectl</refname>
	24	<refpurpose>Control the system time and date</refpurpose>
	25	</refnamediv>
	26
	27	<refsynopsisdiv>
	28	<cmdsynopsis>
	29	<command>timedatectl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command>
	30	</cmdsynopsis>
	31	</refsynopsisdiv>
	32
	33	<refsect1>
	34	<title>Description</title>
	35
	36	<para><command>timedatectl</command> may be used to query and
	37	change the system clock and its settings.</para>
	38
	39	<para>Use
	40	<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
	41	to initialize the system time zone for mounted (but not booted)
	42	system images.</para>
1e4acc77 YW	43
	44	<para><command>timedatectl</command> may be used to show the current status of
	45	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	46	</para>
	47
798d3a52 ZJS	48	</refsect1>
	49
	50	<refsect1>
	51	<title>Options</title>
	52
	53	<para>The following options are understood:</para>
	54
	55	<variablelist>
	56	<varlistentry>
	57	<term><option>--no-ask-password</option></term>
	58
	59	<listitem><para>Do not query the user for authentication for
	60	privileged operations.</para></listitem>
	61	</varlistentry>
	62
	63	<varlistentry>
	64	<term><option>--adjust-system-clock</option></term>
	65
	66	<listitem><para>If <command>set-local-rtc</command> is invoked
	67	and this option is passed, the system clock is synchronized
	68	from the RTC again, taking the new setting into account.
	69	Otherwise, the RTC is synchronized from the system
	70	clock.</para></listitem>
	71	</varlistentry>
	72
1e4acc77 YW	73	<varlistentry>
	74	<term><option>--monitor</option></term>
	75
	76	<listitem><para>If <command>timesync-status</command> is invoked and this option is passed,
	77	then <command>timedatectl</command> monitors the status of
	78	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
	79	and updates the outputs. Use Ctrl-C to terminate the monitoring.</para></listitem>
	80	</varlistentry>
	81
	82	<varlistentry>
	83	<term><option>-a</option></term>
	84	<term><option>-all</option></term>
	85
	86	<listitem><para>When showing properties of
	87	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	88	show all properties regardless of whether they are set or not.</para></listitem>
	89	</varlistentry>
	90
	91	<varlistentry>
	92	<term><option>-p</option></term>
	93	<term><option>--property=</option></term>
	94
	95	<listitem><para>When showing properties of
	96	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	97	limit display to certain properties as specified as argument. If not specified, all set properties are shown.
	98	The argument should be a property name, such as <literal>ServerName</literal>. If specified more than once,
	99	all properties with the specified names are shown.</para></listitem>
	100	</varlistentry>
	101
	102	<varlistentry>
	103	<term><option>--value</option></term>
	104
	105	<listitem>
	106	<para>When printing properties with <command>show-timesync</command>, only print the value, and skip the
	107	property name and <literal>=</literal>.</para></listitem>
	108	</varlistentry>
	109
798d3a52 ZJS	110	<xi:include href="user-system-options.xml" xpointer="host" />
	111	<xi:include href="user-system-options.xml" xpointer="machine" />
	112
	113	<xi:include href="standard-options.xml" xpointer="help" />
	114	<xi:include href="standard-options.xml" xpointer="version" />
	115	<xi:include href="standard-options.xml" xpointer="no-pager" />
	116	</variablelist>
24fcd009 YW	117	</refsect1>
	118
	119	<refsect1>
	120	<title>Commands</title>
798d3a52 ZJS	121
	122	<para>The following commands are understood:</para>
	123
	124	<variablelist>
	125	<varlistentry>
	126	<term><command>status</command></term>
	127
1b7ac91f ZJS	128	<listitem><para>Show current settings of the system clock and RTC,
	129	including whether network time synchronization through
	130	<filename>systemd-timesyncd.service</filename> is active. Even if it is
	131	inactive, a different service might still synchronize the clock.
24fcd009	132	If no command is specified, this is the implied default.
1b7ac91f	133	</para></listitem>
798d3a52 ZJS	134	</varlistentry>
798d3a52 ZJS	135
ead0adb1 YW	136	<varlistentry>
	137	<term><command>show</command></term>
	138
	139	<listitem><para>Show the same information as <option>status</option>, but in machine readable form.
	140	This command is intended to be used whenever computer-parsable output is required.
	141	Use <option>status</option> if you are looking for formatted human-readable output.</para>
	142	<para>By default, empty properties are suppressed. Use <option>--all</option> to show those too.
	143	To select specific properties to show, use <option>--property=</option>.</para></listitem>
	144	</varlistentry>
	145
798d3a52 ZJS	146	<varlistentry>
	147	<term><command>set-time [TIME]</command></term>
	148
	149	<listitem><para>Set the system clock to the specified time.
	150	This will also update the RTC time accordingly. The time may
	151	be specified in the format "2012-10-30
	152	18:17:16".</para></listitem>
	153	</varlistentry>
	154
	155	<varlistentry>
	156	<term><command>set-timezone [TIMEZONE]</command></term>
	157
	158	<listitem><para>Set the system time zone to the specified
	159	value. Available timezones can be listed with
	160	<command>list-timezones</command>. If the RTC is configured to
	161	be in the local time, this will also update the RTC time. This
	162	call will alter the <filename>/etc/localtime</filename>
	163	symlink. See
	164	<citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>
	165	for more information.</para></listitem>
	166	</varlistentry>
	167
	168	<varlistentry>
	169	<term><command>list-timezones</command></term>
	170
	171	<listitem><para>List available time zones, one per line.
	172	Entries from the list can be set as the system timezone with
	173	<command>set-timezone</command>.</para></listitem>
	174	</varlistentry>
	175
	176	<varlistentry>
	177	<term><command>set-local-rtc [BOOL]</command></term>
	178
	179	<listitem><para>Takes a boolean argument. If
	180	<literal>0</literal>, the system is configured to maintain the
	181	RTC in universal time. If <literal>1</literal>, it will
	182	maintain the RTC in local time instead. Note that maintaining
	183	the RTC in the local timezone is not fully supported and will
	184	create various problems with time zone changes and daylight
	185	saving adjustments. If at all possible, keep the RTC in UTC
	186	mode. Note that invoking this will also synchronize the RTC
	187	from the system clock, unless
	188	<option>--adjust-system-clock</option> is passed (see above).
	189	This command will change the 3rd line of
	190	<filename>/etc/adjtime</filename>, as documented in
	191	<citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	192	</para></listitem>
	193	</varlistentry>
	194
	195	<varlistentry>
	196	<term><command>set-ntp [BOOL]</command></term>
	197
326208e0 YW	198	<listitem><para>Takes a boolean argument. Controls whether network time synchronization is active
	199	and enabled (if available). If the argument is true, this enables and starts the first existed
	200	service listed in the environment variable <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>
	201	of <filename>systemd-timedated.service</filename>. If the argument is false, then this disables and
	202	stops the all services listed in <varname>$SYSTEMD_TIMEDATED_NTP_SERVICES</varname>.</para></listitem>
798d3a52 ZJS	203	</varlistentry>
	204
	205	</variablelist>
	206
ead0adb1 YW	207	<refsect2>
ead0adb1 YW	208	<title>systemd-timesyncd Commands</title>
1e4acc77	209
ead0adb1 YW	210	<para>The following commands are specific to
	211	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	212	</para>
1e4acc77 YW	213
	214	<variablelist>
	215	<varlistentry>
	216	<term><command>timesync-status</command></term>
	217
	218	<listitem><para>Show current status of
	219	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
	220	If <option>--monitor</option> is specified, then this will monitor the status updates.</para></listitem>
	221	</varlistentry>
	222
	223	<varlistentry>
	224	<term><command>show-timesync</command></term>
	225
ead0adb1 YW	226	<listitem><para>Show the same information as <option>timesync-status</option>, but in machine readable form.
	227	This command is intended to be used whenever computer-parsable output is required.
	228	Use <option>timesync-status</option> if you are looking for formatted human-readable output.</para>
	229	<para>By default, empty properties are suppressed. Use <option>--all</option> to show those too.
	230	To select specific properties to show, use <option>--property=</option>.</para></listitem>
1e4acc77 YW	231	</varlistentry>
	232	</variablelist>
	233
	234	</refsect2>
	235
798d3a52 ZJS	236	</refsect1>
	237
	238	<refsect1>
	239	<title>Exit status</title>
	240
	241	<para>On success, 0 is returned, a non-zero failure
	242	code otherwise.</para>
	243	</refsect1>
	244
	245	<xi:include href="less-variables.xml" />
	246
	247	<refsect1>
	248	<title>Examples</title>
	249	<para>Show current settings:
	250	<programlisting>$ timedatectl
326208e0 YW	251	Local time: Thu 2017-09-21 16:08:56 CEST
	252	Universal time: Thu 2017-09-21 14:08:56 UTC
	253	RTC time: Thu 2017-09-21 14:08:56
	254	Time zone: Europe/Warsaw (CEST, +0200)
	255	System clock synchronized: yes
	256	NTP service: active
	257	RTC in local TZ: no</programlisting>
798d3a52	258	</para>
be1015dd	259
b90930c7	260	<para>Enable network time synchronization:
798d3a52	261	<programlisting>$ timedatectl set-ntp true
be1015dd ZJS	262	==== AUTHENTICATING FOR org.freedesktop.timedate1.set-ntp ===
	263	Authentication is required to control whether network time synchronization shall be enabled.
	264	Authenticating as: user
	265	Password: ********
9fccdb0f	266	==== AUTHENTICATION COMPLETE ===</programlisting>
be1015dd	267
57506e7d LP	268	<programlisting>$ systemctl status systemd-timesyncd.service
57506e7d LP	269	● systemd-timesyncd.service - Network Time Synchronization
12b42c76	270	Loaded: loaded (/usr/lib/systemd/system/systemd-timesyncd.service; enabled)
57506e7d LP	271	Active: active (running) since Mo 2015-03-30 14:20:38 CEST; 5s ago
	272	Docs: man:systemd-timesyncd.service(8)
	273	Main PID: 595 (systemd-timesyn)
	274	Status: "Using Time Server 216.239.38.15:123 (time4.google.com)."
	275	CGroup: /system.slice/systemd-timesyncd.service
12b42c76	276	└─595 /usr/lib/systemd/systemd-timesyncd
1eecafb8	277	…</programlisting>
798d3a52	278	</para>
1e4acc77 YW	279
	280	<para>Show current status of
	281	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>:
	282	<programlisting>$ timedatectl timesync-status
	283	Server: 216.239.38.15 (time4.google.com)
	284	Poll interval: 1min 4s (min: 32s; max 34min 8s)
	285	Leap: normal
	286	Version: 4
	287	Stratum: 1
	288	Reference: GPS
	289	Precision: 1us (-20)
	290	Root distance: 335us (max: 5s)
	291	Offset: +316us
	292	Delay: 349us
	293	Jitter: 0
	294	Packet count: 1
	295	Frequency: -8.802ppm</programlisting>
	296	</para>
	297
798d3a52 ZJS	298	</refsect1>
	299
	300	<refsect1>
	301	<title>See Also</title>
	302	<para>
	303	<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	304	<citerefentry project='man-pages'><refentrytitle>hwclock</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
	305	<citerefentry project='man-pages'><refentrytitle>date</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	306	<citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
	307	<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
	308	<citerefentry><refentrytitle>systemd-timedated.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
ff5921ba	309	<citerefentry><refentrytitle>systemd-timesyncd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
798d3a52 ZJS	310	<citerefentry><refentrytitle>systemd-firstboot</refentrytitle><manvolnum>1</manvolnum></citerefentry>
	311	</para>
	312	</refsect1>
6d0274f1 LP	313
6d0274f1 LP	314	</refentry>