- Install
dconf-tools
package. - Run
dconf-editor
. - Find section
com/canonical/indicator/datetime
. - Set value
time-format = custom
. - Set value
custom-time-format
, using this table.
2012-06-01 18:31
dconf-tools
package.dconf-editor
.com/canonical/indicator/datetime
.time-format = custom
.custom-time-format
, using this table.