![]() The Timedatectl is an extremely powerful tool that is included in the systemd service. Using the timedatectl utility, you can configure Linux’s time and date. ![]() You must have elevated privileges in order to change the time or date. Time can be set or changed by using the timedatectl command and the set-time subcommand together. In general, you keep your system time in the Universal Coordinated Time (UTC) format. This guide will walk you through reviewing, adjusting, and configuring the Linux time and date. To set the time zone to a specific value, use the timedatectl set-timezone command: $ sudo timedatectl set-timezone America/New_York To view the current date and time, use the timedatectl status command: $ timedatectl status Local time: Wed 18:52:34 EDT Universal time: Thu 22:52:34 UTC RTC time: Thu 22:52:34 Time zone: America/New_York (EDT, -0400) NTP synchronized: no To set the current date and time, use the timedatectl set-time command: $ sudo timedatectl set-time “YYYY-MM-DD HH:MM:SS” For example, to set the date and time to Jat 6:00pm, you would use the following command: $ sudo timedatectl set-time “ 18:00:00” The timedatectl set-time command will also set the system’s time zone to the local time zone. The timedatectl utility is part of the systemd suite of tools and is available on most major Linux distributions. Time - Report how long it takes for a command to execute.Most Linux distributions ship with a tool called timedatectl that makes it easy to set the current date and time from the command line. It does this using bash command substitution, running the date command in a subshell and inserting that output into the original command. In bash, this command generates a directory listing with ls, and redirect the output to a file which includes the current day, month, and year in the file name. Outputs the date and time in the following format: DATE: 02/08/01 Set the system date and time to November 20, 2003, 12:48 PM. Running date with no options outputs the system date and time, as in the following output: Thu Feb 8 16:47: date -s " 12:48:00" The following optional flags may follow ' %': -Īfter any flags comes an optional field width, as a decimal number then an optional modifier, which is either E to use the locale's alternate representations if available, or O to use the locale's alternate numeric symbols if available. Numeric time zone with " :" to necessary precision (e.g., -04, +05:30).Īlphabetic time zone abbreviation (e.g., EDT).īy default, date pads numeric fields with zeroes. Week number of year, with Monday as first day of week ( 00. #Linux setdate isoISO week number, with Monday as first day of week ( 01. Week number of year, with Sunday as first day of week ( 00. Locale's equivalent of either AM or PM blank if not known. Year of ISO week number (see %V) normally useful only with %V. Last two digits of year of ISO week number (see %G). The current century like %Y, except omit last two digits (e.g., 20). #Linux setdate fullLocale's full month name (e.g., January). The abbreviated weekday name (e.g., Sun). It comprises some combination of the following sequences: %% ![]() ![]() Date and time components are separated by a single space, for example: 12:34:56-06:00įORMAT is a sequence of characters which specifies how output appears. TIMESPEC can be set to ' date', ' seconds', or ' ns' for date and time to the indicated precision. For values of TIMESPEC, use ' date' for date only (the default), ' hours', ' minutes', ' seconds', or ' ns' for date and time to the indicated precision.ĭisplay the last modification time of file FILE. Like -date, but processed once for each line of file DATEFILE. ![]() date YY]] Options -d, -date= STRINGĭisplay time described by string STRING, instead of the default, which is ' now'. ![]()
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