Date is a command line utility for printing or setting the date and time.

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Change server date using PHP

Is this possible to change Linux server date using php code? Is there any way to give necessary permissions to Apache to do this? What is the procedure to give root permissions to Apache?
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Mplayer cronjob doesn't work [duplicate]

Possible Duplicate: How can I execute date inside of a cron tab job? I made a cronjob to record a stream every friday between 23pm and midnight. Only somehow this doesn't seem to work. ...
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converting unix time to string time with date command

I have read the man pages for date command, but there is no option for converting unix time to string time. I found some websites telling this: date -d @1343715322 there is no option like @ in the ...
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Renaming a bunch of files with date modified timestamp at the end of the filename?

So, say, I have a directory with a bunch of files like g.txt, where g.txt was last modified on, say, June 20, 2012. How would I batch-rename all of the files (like g.txt) with the last modified date ...
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First and last day of a month

Given two numbers, month and year, how can I compute the first and the last day of that month ? My goal is to output these three lines: month / year (month in textual form but that is trivial) for ...
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Date computations without GNU tools

I have to perform some date calculations and conversion in a shell script. For example computing the difference in day between a date formatted as Nov 28 20:27:19 2012 GMT and today. There are ...
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CentOS 5.6 live time feature without repeatedly executing date command

I am using CentOS 5.6, is there a way to view a "live" time, without constantly executing the date command? Constantly excuting the date command can be quite frustrating and repetitive when checking ...
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Is the system time correct when no date has been set?

If I was looking through a debian log file and I come across Jan 1st 1970 08:21:34 in a log, did the action happen at 08:21:34, just the correct date had not been set? Or if no date had been set is ...
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What does XST in the date command output mean?

When executing the date command (on CentOS), it gives me something like this: Thu May 10 20:15:07 XST 2012 My local time zone is CEST, which was at that moment 22:15:07, so the printed time ...
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Get “date” to understand a timestamp phrase of a different language

My web-scraping scripts have long enjoyed using date -d to read in human-formatted time and date stamps like "March 11, 1999" and convert to any other format I need via the -s parameter. How might I ...
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In KDE, how can I create a custom keyboard shortcut that prints the current date?

I often need to print the current date in lots of different programs. Right now, I always type it per hand which is error prone. I'm using KDE 4.8, and it has customisable keyboard shortcuts. For ...
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How can I fake sending -time when sending email with Mutt?

Suppose a student is two hours late in returning an assignment. Now the assignment needs to travel a long way in internet so there is a good excuse that it got lost in somewhere or got jammed (well ...
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What is a distro-agnostic way determine the OS install date?

I am on a CrunchBang machine and trying to write a script that needs to have the OS install date as a reference. I searched and found this command: ls -lct /etc | tail -1 | awk '{print $6, $7, $8}' ...
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UNIX move file name with sysdate

I want to make a script in Unix in which I have to move a file daily to a specific path. In order to avoid overlapping of the file, I want the file name along with the date. e.g. mv filename ...
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sort at jobs chronologically

Possibly a simple solution I misplaced. How can I get the output of atq sorted chronologically, so I can easily see who's due to run next? The man page for sort doesn't have anything built-in to ...
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Is it possible to reference the most recently modified file in a command line argument?

I frequently download PDF files with heinous numeric file names from my browser. These automatically go into ~/Downloads. Ideally I would like to just be able to open these files with: evince "the ...
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List of Recently Modified Files

How can I Get a list of all files modified , say 3 months ago. I checked this question but I was not able to apply it to my scenario. I am trying this now , it seems to be working , but I know there ...
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How to generate a year-quarter date from the command line?

I'm interested in outputting a representation of the current year-quarter, as well as the year-quarter for the previous month. If today is 2012 January 1st, I'd like to get 2012q1 and 2011q4 as ...
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Setting system/hardware clock under Debian

I have installed a system with a London timezone, instead of using Central European Time. The problem is, that hwclock says the time is 11:00, date says the time is 11:00. I have changed the timezone ...
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Quickly calculate date differences

I often want to make some quick date calculations, such as: What is the difference between these two dates? What is the date n weeks after this other date? I usually open a calendar and count the ...
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How to insert a first column to many files + how to convert unix time to normal time

There are many-many files in a directory that has e.x.: the following content: INPUT: root 1324711901 sshd 1272725792 And I'm searching for a solution how to convert the content of the ...
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Trying to set date on a Linux based machine from another machine

I am running busy box on an embedded platform. I would like to set the date on the box properly each time I reboot the hardware. I have no way to save the time persistently, so am reduced to setting ...
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/etc/shadow date of last password change—UTC or local time?

man 5 shadow gives the following description of the third field in each line: The date of the last password change, expressed as the number of days since Jan 1, 1970. The value 0 has a ...
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How to get 3 minutes future date?

I want to get the date 3 minutes on the future. For example, if "now" is 01-Jan-70 00:00:00 GMT I want to get 01-Jan-80 00:03:00 GMT How should I do it? I'm working with busybox linux.
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Padding day / time values to ensure 3 digit length

I have a script which renders timestamps in the format YYYY'DDD'TTT where Y = year, D = day out of 365 and T = time in 1000th's of the day: #!/bin/bash clear s=$(($(date +"%H*3600+%M*60+%S"))) ...
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Generate time as expression of 1/1000ths of the day

Completely new to bash and having trouble working out how to make the arithmetic work. I think this should be easy, it's just.. argh. I want to express the time of day in terms of 1/1000ths (ie, ...
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Remind syntax combining a weekly event with a time range

How should I write "Every Tuesday, Thursday, Friday after 2011 Sep 13, but before Sep 28, with reminder 1 day before event". Now I got REM Tue Thu Fri 13 Sep 2011 +1 UNTIL 28 Sep 2011 MSG Esem, but ...
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How to use the date command to find out what date “monday week 40” will be?

How can I use the date command to convert something like "monday week 40" into a ISO date? I am playing with something like this: date --date='monday week 40' +'%Y-%m-%d' And the date I'm ...
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How to feed the results of date command into grep to filter results of another command

I need to use the result of a formatted date command (date +"%m/%d") as the grep filter to filter the results of another command that will display alerts on a system so that I only see alerts from the ...
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756 views

Need help converting a string from a file into a date

I'm trying to read a string from a file and then convert it into a date but for some reason it's failing. I'm actually modifying a GeekTool Geeklet that's not working at the moment. It reads a file ...
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Is there a way to adjust the formatting of the date/time in the GNOME 3 login screen and desktop?

I'm specifically looking to change the formatting in two places: On the desktop, the date/time reads "Sat 21:05". I would like it to read "23-Jul-11 21:05" or "23 Jul 11 21:05". In other words, I ...
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bash: cd to the most recently modified child directory

Wondering if there's an easy and/or portable way to say "change to the most recently modified child directory." I can use ls and awk but there's probably a better way. cd $( ls -ltrd */ | tail -1 | ...
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How can I delete all files in a folder that haven't been accessed in a certain amount of time?

I'd like to run a nightly cron job that deletes all the files in a folder that haven't been accessed in a week or more. What is the most efficient way to do this in bash?
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Sum of grep results

I need to output the sum of a grep results for a certain time, for now i hard coded the time grep but any help will be very much appreciated, my problem is i cant output the results on the script. If ...
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using system command in awk script

In an AWK script I am using a command system(date) to print the current date in a file but after this command is executed next line is also added implicitly. Is there any way in AWK to print ...
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Forcing an 'added' alias to every command

Is it possible to forcibly add a timing alias (for lack of a better way to phrase it) to every command in bash? For example, I would like to have a specific user who whenever a command is run, it is ...
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Setting linux time

$ date 042612492005 $ hwclock -w The code above shows how to set the system time, but how's the timestamp string generated in the first place?
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Highlight the current date in cal

I would like to highlight today's date in the output of the cal command. What is the best way? This is what I have so far: cal -m | grep -C6 --color "$(date +%e)" but it doesn't work for all cases ...
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How many minutes have passed since the Unix Epoch?

Sorry for the lame question How many minutes have passed since the Unix Epoch ? It should be January 1, 1970 ? Let's say approximately until 1 Jan 2011... 5 865 696 000 minutes ?
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How to list files sorted by modification date recursively (no stat command available!)

How can I get the list of all files under current directory along with their modification date and sorted by that date? Now I know how to achieve that with find, stat and sort, but for some weird ...
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last time file opened

Is it possible to get the time when file was opened last time and sort all files in a directory by those times?
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Getting all files that have been modified on a specific date

Is it possible to find all php files within a certain directory that have been modified on a certain date I'm using find /var/www/html/dir/ -mtime -28 | grep '\.php' to get files modified within ...
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How can I avoid “Run fsck manually” messages while allowing experimenting with system time changes?

I'm working with a system where we want to allow users to play around with the date and time if they want, and where reboots may happen arbitrarily. This is fine, except for one thing: if there's a ...
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Fast way to build a test file with every second listed in YYYY-mm-dd HH:MM:SS format

I want to create a large test file with lines containg dates listed by the second, but my method is taking inordinately long... (or at least, that's how it feels :) ... 43 minutes to create only ...
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date, get current 15 minute interval

Is there any way I can get the current 15 minute interval using the date command or similar ? e.g. something like date %Y.%m.%d %H:%M will give me 2011.02.22 10:19 , I need something that yields ...
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date - years prior to 1901 are treated as invalid

I have date (GNU coreutils) 7.1 installed on my system. If I try to check dates prior to 14-Dec-1901, I get an "invalid date" error. For example, $ date -d 1901-12-13 date: invalid date ...
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How to get elapsed time from two “text based” dates

I would like to know if there is a way to calculate the difference between two times in bash. I have two fields that are extracted from a log file: Start time: Feb 12 10:02:10 End time: Feb 12 ...
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Installation date of Ubuntu

How can I determine when Ubuntu was installed in my computer? There was a different question posted here, but none of them is helpful.
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Calculate the date from 1125 days ago on non-GNU systems?

On the Unix Bash commandline, I want to calculate the date from 1125 days ago using the base operating system (e.g. No Perl or Python). On systems running GNU Date, I can do something like this: ...
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How do I convert an epoch timestamp to a human readable format on the cli?

How do I convert an epoch timestamp to a human readable format on the cli? I think there's a way to do it with date but the syntax eludes me (other ways welcome).