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I've looked at the man page for "date" and I can't figure out how to change the year. I know there is some string you need to create to describe the date format but how do I use that?

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2 Answers 2

up vote 3 down vote accepted

%Y is the format character for year

for example:

date +%Y%m%d -s "20120502"
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Looking at it on wikipedia, it looks fairly simple (For simple changes anyway)

http://en.wikipedia.org/wiki/Date_%28Unix%29#Options

Eg.

bash-3.2$ date
Wed May  2 15:32:29 EST 2012
bash-3.2$  date --date="next year"
Thu May  2 15:32:31 EST 2013
bash-3.2$  date --date="3 years"
Sat May  2 15:32:32 EST 2015
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