Question about RCA RP5420 Clock Radio

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Can't set the time

Since the daylight saving time change, I can't set the time back. How do I change the time on the clock. I have no problem with setting the alarms, just the clok.


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Re: Can't set the time

You can disable the daylight saving time function using the DST switch. Setting the time requires you to slide the 4-position slide switch on the top rear to the right to set the time.

Posted on Nov 16, 2007

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How to set time

Plug in the unit.
First, the month and date appear, then the
year, and then the current Eastern Standard/
Daylight Time appears in the display.
Area number "2" appears in the display.
If you live in the Eastern Time zone, you do
not need to adjust the area setting.
Area number
Time zone
Atlantic Standard/
Daylight Time
Eastern Standard/
Daylight Time
Central Standard/
Daylight Time
Mountain Standard/
Daylight Time
Pacific Standard/Daylight
Yukon Standard/Daylight
Hawaiian Standard/
Daylight Time
repeatedly until the
desired number appears.
The display returns to the clock about 4
seconds after the operation is complete.
During the shipment and your first use, a clock
error may occur. In this case, refer to "Setting the
clock and date" to set the correct time.
When daylight saving time
(summer time) begins
This unit employs Automatic Daylight Saving
Time/Summer Time adjustment. The DST
indicator appears in the display at the beginning
of the daylight saving time (summer time), and
disappears at the end of it.
Daylight saving time begins at: 2:00 AM on the
second Sunday of March.
Standard time begins at: 2:00 AM on the first
Sunday of November.
To cancel the automatic DST/summer
time adjustment and to set DST display
The automatic DST/summer time adjustment can
be cancelled.
Press and hold
for at least 3 seconds while
the clock is displayed.
A beep sounds, and "Aut
OFF" appears in the
display to show that the automatic DST/summer
time adjustment is cancelled. The display returns
to the clock.
Daylight Saving Time depends on the law in
each country/region, and your area may not use
it. In such a case, cancel the automatic DST/
summer time adjustment before using the set
and set the time manually as necessary.
To activate the automatic DST/summer time
adjustment again, press and hold
for at
least 3 seconds. A beep sounds, and "Aut
On" appears in the display to show that the
automatic DST/summer time adjustment is
activated. The display returns to the clock.
To change the display to the daylight saving
time (summer time) manually, see "To change
the display to the daylight saving time (summer
time) indication."
Setting the clock and
To change the setting manually, follow the
procedure from step
for at least 2 seconds.
You will hear a beep and the year will start to
flash in the display.
until the correct year
appears in the display.
Repeat steps
to set the month,
day and time.
After setting the time, two short beeps sound
and the clock starts from 0 seconds.
Pressing and holding
changes the year,
month or day rapidly.
When setting the current time, time changes
rapidly by 1 minute-increments up to 10
minutes, and then by 10 minute-increments.
While setting the clock, you must perform each
step within 65 seconds, or the clock setting
mode will be cancelled.
To display the year and date
once for the
date, and within about 3 seconds press it again for
the year.
The display shows the date or year for about 3
seconds and then changes back to the current
If you connect the AC plug to an AC outlet while
this unit is powered from the backup power
source, the current date and time appears in the
following order (the same as when the unit is
powered on after a power interruption).
"month and date" (about 1 second)
(about 1 second)
"current time"
To change the display to the daylight
saving time (summer time) indication
Change the daylight saving time (summer time)
adjustment setting according to the following
procedures if you have cancelled the automatic
DST/summer time adjustment.
The DST indicator appears in the display and the
time indication changes to the daylight saving
time (summer time).
To deactivate the daylight saving time (summer
time) adjustment, press

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1 Answer

My clock went back one hour on Sunday 10/25, need to get it to move ahead one hour.

The clock program for Daylight savings Time is programmed for the old "third Sunday in October" changeover. The new changeover is the first Sunday in November. The program probably cannot be updated. If there is no button or setting to disable automatic change to Daylight Savings Time you can set the time manually and then change it manually to Daylight Savings on November 1 for the time to be correct.

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2 Answers

Can't change clock to eastern standard time

Can't solve it but the clock doesn't know the government changed when daylight ends.

Nov 04, 2008 | RCA RP5430 Clock Radio

1 Answer

Setting to/from daylight savings time?

Press the white button on the base of the clock,

Jun 19, 2008 | RCA RP-3765 Clock Radio

2 Answers

Emerson Research SmartSet Clock Radio

There is a solution for this already. You can reprogram the clock to use the new DST settings.


Mar 10, 2008 | Emerson SmartSet CKS1850 Clock Radio

1 Answer

Daylight Savings Times Changed

We set the time zone to '7' , which is Hawaii time zone where there is no change for daylight savings. This came up because it changed automatically on this morning...and although we can change it back, then it won't change next week when it should. So we're hoping that by setting it to Hawaii it will be a regular clock, we will do the changing...but at least we won't be surprized as we were this AM.

Mar 09, 2008 | Emerson SmartSet CKS1850 Clock Radio

5 Answers

Daylight saving time auto change over

call 18006954820 they will walk you through

Nov 02, 2007 | Timex T276B Clock Radio

2 Answers

Help daylight savings time is not here yet

I am going to try changing to time zone 7 (Hawaiian Time). Hawaii does not observe DST so this should turn the clock into a regular clock that ignores DST and you need to set yourself twice a year.

Oct 30, 2007 | Emerson SmartSet CKS1850 Clock Radio

3 Answers

Turning daylight saving time OFF

If DST is *already* set to "on" when you reset the time zone to Z-07 (Hawaii), my very recent experience is that the time *still gets adjusted back* by one hour.  Now that daylight savings time is over (at least according to the clock's pre-programmed and outdated schedule) I'm hoping that setting the time zone to Z-07 (Hawaii) will completely cancel the automatic time changes from now on.  Otherwise, I need to purchase another clock, and it won't be a Timex.

Apr 02, 2007 | Timex T311T Clock Radio

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