How to Set System Date and Time in Linux / Unix

Set System Date and Time 

 

To change the system date use:

# date {mmddhhmiyyyy.ss}

o

mm – Month

o

dd – Date

o

hh – 24 hour format

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mi – Minutes

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yyyy – Year

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ss – seconds

For example, to set system date to Jan 31

st

2008, 10:19 p.m, 53 seconds

# date 013122192009.53

You can also change system date using set argument as shown below.

# date 013122192009.53

# date +%Y%m%d -s "20090131"

# date -s "01/31/2009 22:19:53"

# date -s "31 JAN 2009 22:19:53"

# date set="31 JAN 2009 22:19:53"

To set the time only:

# date +%T -s "22:19:53"

18

# date +%T%p -s "10:19:53PM"