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 

o    mi – Minutes 

o    yyyy – Year 

o    ss – seconds 

 

For example, to set system date to Jan 31st 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" 

 

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