Mudar data e hora unix

Use the following syntax to set new data and time:
date --set="STRING"
For example, set new data to 2 Oct 2006 18:00:00, type the following command as root user:
# date -s "2 OCT 2006 18:00:00"
OR
# date --set="2 OCT 2006 18:00:00"
You can also simplify format using following syntax:
# date +%Y%m%d -s "20081128"

Linux Set Time

To set time use the following syntax:
# date +%T -s "10:13:13"
Where,

• 10: Hour (hh)
• 13: Minute (mm)
• 13: Second (ss)

Use %p locale’s equivalent of either AM or PM, enter:
# date +%T%p -s "6:10:30AM"
# date +%T%p -s "12:10:30PM"