# Time and Date

The `clock:` namespace contains words for interacting with the
system clock.

~~~
:clock:operation (:n-)
  DEVICE:CLOCK io:scan-for
    dup n:negative? [ drop 'Error:_clock_device_not_found s:put nl ] if;
    io:invoke ;

:clock:timestamp  (:-n) #0 clock:operation ;
:clock:day        (:-n) #1 clock:operation ;
:clock:month      (:-n) #2 clock:operation ;
:clock:year       (:-n) #3 clock:operation ;
:clock:hour       (:-n) #4 clock:operation ;
:clock:minute     (:-n) #5 clock:operation ;
:clock:second     (:-n) #6 clock:operation ;
:clock:utc:day    (:-n) #7 clock:operation ;
:clock:utc:month  (:-n) #8 clock:operation ;
:clock:utc:year   (:-n) #9 clock:operation ;
:clock:utc:hour   (:-n) #10 clock:operation ;
:clock:utc:minute (:-n) #11 clock:operation ;
:clock:utc:second (:-n) #12 clock:operation ;
~~~

## d:source

~~~
'interface/clock.retro s:dedup
dup 'clock:utc:second d:lookup d:source store
dup 'clock:utc:minute d:lookup d:source store
dup 'clock:utc:hour d:lookup d:source store
dup 'clock:utc:year d:lookup d:source store
dup 'clock:utc:month d:lookup d:source store
dup 'clock:utc:day d:lookup d:source store
dup 'clock:second d:lookup d:source store
dup 'clock:minute d:lookup d:source store
dup 'clock:hour d:lookup d:source store
dup 'clock:year d:lookup d:source store
dup 'clock:month d:lookup d:source store
dup 'clock:day d:lookup d:source store
dup 'clock:timestamp d:lookup d:source store
dup 'clock:operation d:lookup d:source store
drop
~~~