Time and Date w. Linux   August 11th, 2015

View Time
To view the current date and time, the following command will be enough

date

Set Time
To change time means to set a new time. To set time in Ubuntu (or any Linux), just run the following command
sudo date newdatetimestring where newdatetimestring has to follow the format nnddhhmmyyyy.ss which is described below:

  • nn is a two digit month, between 01 to 12
  • dd is a two digit day, between 01 and 31, with the regular rules for days according to month and year applying
  • hh is two digit hour, using the 24-hour period so it is between 00 and 23
  • mm is two digit minute, between 00 and 59
  • yyyy is the year; it can be two digit or four digit: your choice. I prefer to use four digit years whenever I can for better clarity and less confusion
  • ss is two digit seconds. Notice the period ‘.’ before the ss.

Let’s say you want to set your computer’s new time to December 6, 2007, 22:43:55, then you would use:

sudo date 120622432007.55

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