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Sharp

Sharp Atomic Digital Alarm Clock

  • Based on 3,587 reviews
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Availability: In Stock.
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Arrives Sunday, Sep 27
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Features

  • Atomic Setting Quick-Start Guide: After 10 minutes of the atomic clock receiving power, it will begin searching for WWVB Radio (atomic) signal. The Atomic signal will begin to flash on screen, and it will search for 7 minutes. If signal is achieved, the atomic signal will stop flashing. If the clock fails to connect in first attempt, it is usually received by morning. See instruction manual in package for full details and instructions
  • On Demand Blue Backlight: Backlight is not always Illuminated The Press of a button is needed for the light to activate. Press the snooze button on top of the clock to illuminate the whole display for 5 seconds. The backlight will also illuminate when the alarm sounds
  • Automatic Time Synchronization: Built-in receiver automatically synchronizes itself with the WWVB radio broadcast by the US Government's National Institute of Standards and Technology (NIST) in Fort Collins, Colorado, ensuring accuracy to within one second with daily updates
  • Multi-Function Display: Features convenient display of time, date, and temperature information all in one easy-to-read screen for your bedside table or nightstand
  • Auto Set Functionality: Clock automatically sets itself upon receiving the atomic signal, eliminating the need for manual time adjustments and ensuring accurate timekeeping at all times

Description

Easy to Read Sharp Atomic Alarm Clock (SPC932) with Easy to Read Screen with Time/Date/Temperature Display · Atomic Alarm Clock - The Atomic Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within on second as it receives daily WWVB updates. · Wall Mountable and Table Top Use - The clock may be hung on the wall using the hang hole at the back of the clock or displayed on your nightstand by pulling out the backstand. 3 x AAA batteries Needed (not included) · Calendar and Day of Week Display - Always know what day of the week it is with a quick glance. The clock displays the calendar and the day of the week. · Indoor Temperature Display - Get the real time indoor temperature of your room displayed on your clock. · Backlight on Demand - Press the snooze button on top of the clock to illuminate the whole display for 5 seconds. The backlight will also illuminate when the alarm sounds. The Sharp Atomic Desktop & Wall Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Sharp Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. - The Sharp Atomic Wall Clock has a built in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. The Sharp Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. - Indoor Temperature sensor is located in the Atomic clock unit itself, and gives the ambiant temperature of the room. - · Calendar and Day of Week Display - Always know what day of the week it is with a quick glance. The clock displays the calendar and the day of the week. - Month, Date and Day are clearly shown and are updated automatically by the WWVB radio broadcast by the US Government ‘s National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. - The Sharp Atomic Clock (Model - SPC963) can be easily mounted to the wall or can be used on table top or desk with the built in stand. - No cords! The clock runs off of battery power and can be used almost anywhere. The Main Display unit uses 3 x AA batteries(not included) Backlight on Demand - Press the snooze button on top of the clock to illuminate the whole display for 5 seconds. The backlight will also illuminate when the alarm sounds. The easy to read clock can be used on a table or desk and can be seen from across the room. The indoor temperature is shown below the time, along with the Day, Month, and Date - and NEVER NEEDS SETTING for easy use. The clock measures 5" x 6.45" and is the prefect size for when wall space is at a minimum. Battery operated, so it will fit anywhere! Sharp has been making quality alarm clocks for over 25 years and is the largest suppler of Retail Alarm Clocks in the United States with over 61,000,000 sold. Millions trust us with helping them start their day and staying on track.

Brand: Sharp


Color: Black


Display Type: Digital


Style: Digital


Special Feature: Atomic


Product Dimensions: 6.45"W x 5"H


Power Source: Battery Powered


Room Type: Bedroom, Living Room, Dining Room, Kitchen, Kids, Nursery, Bathroom, Home Office


Shape: Rectangular


Indoor/Outdoor Usage: Indoor


Display Type: Digital


Additional Features: Atomic


Power Source: Battery Powered


Indoor Outdoor Usage: Indoor


Mounting Type: Wall Mount, Tabletop


Alarm Clock: Yes


Operation Mode: Atomic


Watch Movement: Automatic


Item Dimensions W x H: 6.45"W x 5"H


Item Weight: 1 pounds


Size: Small


Frame Material: Plastic


Color: Black


Style Name: Digital


Room Type: Bedroom, Living Room, Dining Room, Kitchen, Kids, Nursery, Bathroom, Home Office


Shape: Rectangular


Theme: Plain


Dial Color: Black


Clock Form: Mantel


Brand Name: Sharp


Number of Items: 1


Number of Packs: 1


Unit Count: 1 Count


Item Highlight: Auto Set, Time Display, Date Display, Temperature Display


Manufacturer: Sharp


UPC: 049353000268


Model Number: 8541847930


Manufacturer Part Number: 8541847930


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Convenience AND beauty: Atomic clock. Battery only. Wall/table. Backlight (5-seconds). Shiny black.
PROS: Affordability. Five-inches-high compactness. Atomic-clock accuracy. Selectable daylight-saving-time mode. Very accurate thermometer. Legibility of the time-and-calendar LCD. Shiny black front "frame," together with silvery highlights, let this Sharp model serve as not only a “desktop” but also a “wall” clock whose looks and size tastefully complement one or more wall decorations (e.g., sports-team sublimated plaques). CONS: While my Kansas City location lets me point clock ANY direction and still receive the Colorado atomic radio-broadcast signal, very distant or problematic locations may require clock's rear/front to point DIRECTLY toward Colorado. Regarding LCD BACKLIGHT: Undeniably appealing blue, temporary (five-seconds) backlight must be activated by PRESSING DOWNWARD (not just touching) the extra-wide, topmost button, which — for no really good reason — emits not only a slightly annoying mechanical click but also a high-pitched, low-volume, electronic beep. The combination of those two simultaneous noises, especially if repeated nightly, could significantly irritate certain would-be sleepers. * * * TWO EXCERPTS FROM MY BELOW DISCUSSION: "Anyway, in my location this model's atomic-clock functionality remains admirably impressive and highly satisfying." "And thus the displayed time-and-calendar information will surely remain accurate for the duration of this Sharp product's useful life, which could well be a great many years." * * * I myself didn’t buy this product to use as an ALARM clock. Instead, I bought this versatile (desktop-and-wall-compatible) clock specifically — for an area lit brightly enough for art display — to mount closely between two vertically arranged pro-football team WALL plaques having black “frames” whose matching sizes and configurations fortuitously resemble the rather shiny black front "frame" of this tastefully styled Sharp clock. I had initially been seeking a battery-powered clock that featured not only such a black “frame” but also atomic (aka radio-controlled) time-and-calendar accuracy — together with suitable compactness (i.e., height no greater than five inches). Frankly, this was the ONLY such clock that I managed to find after a LOT of searching via Amazon’s pertinent product pages. The upshot is that this model has worked out fully splendidly for my aforementioned DECORATIVE purpose (not to mention the welcome functionality of its very accurate thermometer and the excellent legibility of its time-and-calendar display). HIGHLY SATISFYING ATOMIC-CLOCK PERFORMANCE: [Note: As with essentially any "atomic-clock" product, the pertinent Colorado radio-broadcast signal is best received during OVERNIGHT hours. MOREOVER, this particular Sharp (model SPC932) clock's REAR or FRONT — in certain locations that are extremely distant from Colorado and/or are in unusually "reception-challenged" settings — may need to be pointed DIRECTLY toward Colorado. My particular "wall" installation in suburban Kansas City — on the first floor of my multilevel house — required the clock's rear to point northward (i.e., NOT toward Colorado); otherwise, I likely could've obtained even better results than what I report below.] Having now used this clock for two weeks, I can happily report that I began 12 of 14 mornings (routinely rising around 7:30 AM CST from my night's sleep) by beholding the "atomic signal found" icon triumphantly displayed steadily on the LCD. And even in the two instances that the morning-time "atomic signal found" icon was surprisingly absent from the display, it appeared to merely signify that although the FINAL nightly signal-reception attempt had itself failed, at least one or two of the preceding hourly attempts within that same overnight session had likely succeeded. Anyway, on those two unusual mornings the situation LUCKILY proved immediately perfectible — with no need to remove the clock from the wall — by simply MANUALLY pressing-and-holding the "WAVE" key to initiate a new radio-signal-reception attempt which did prove successful on the first try. [But I subsequently learned that such convenient luck doesn't happen "every single time" when this clock's rear/front isn't pointed toward Colorado!] Regarding this model’s "automatic overnight" searches for the atomic clock radio signal, Sharp's included instruction manual states: "If the clock fails to synchronize in the first attempt, the signal is usually received by morning the next day." I've found that statement true indeed with my specimen of this clock. For, my own close observations (during TWO randomly selected nights) revealed the following facts: (1) At exactly 1:03 AM CST, the first "automatic overnight" radio-signal-reception attempt began (the pertinent "searching for atomic signal" icon began flashing); and that attempt did prove successful (causing the pertinent "atomic signal found" icon to stay steadily on the display). Next, the clock correctly REPEATED another such radio-signal-reception attempt exactly one hour later (2:03 AM CST). However, THAT particular attempt FAILED (causing the prior "atomic signal found" icon to vanish from the display). Thereafter, the clock correctly continued automatically initiating still more such hourly signal-search attempts during the remaining overnight hours in the session; and at least the FINAL such attempt did prove successful, because I happily beheld the presence of the "atomic signal found" icon (remaining steadily on the display) when I awoke around 7:30 AM CST. (2) Several days later, I noticed that the 3:03 AM CST radio-signal-search attempt FAILED. But the very next hourly attempt (at 4:03 AM CST) succeeded (leaving an "atomic signal found" icon steadily on the display). And then — FINALLY — at 5:03 AM CST the clock correctly did NOT initiate any additional attempt to synchronize with the atomic radio signal. (The prior hour's "atomic signal found" icon correctly remained steadily on the display.) Now, could I unhesitatingly say this Sharp model (SPC932) is the "ultimate" paragon of atomic-clock performance? Well, almost but not absolutely. In contrast to several "less finicky or particular" products within my large collection of atomic clocks (including a different Sharp model and sundry competing brands), this model SPC932 — particularly if its rear/front isn't pointed toward Colorado — may, very infrequently, struggle or fail to synchronize with the Colorado broadcast signal. With that said, the truly trivial degree of difference between this model and one embodying "perfect" atomic-clock-synchronization reliability shouldn't matter to most consumers — especially when factoring not only this model's affordability but also its other fine features collectively. Anyway, in my location this model's atomic-clock functionality remains admirably impressive and highly satisfying. [In this general vein, I recall reading a couple of other Amazon customer reviewers — in, respectively, Canadian and Connecticut locations — who mentioned their specimens of this Sharp model being indeed capable of receiving the atomic radio signal all right, as long as those clocks' rears/fronts were pointed toward Colorado. In contrast, still another Amazon customer reviewer — in exceedingly distant Hawaii — reported being utterly unable to get his specimen of this model to receive that Colorado signal.] In sum, I deem this atomic clock model a trustworthy keeper, insofar as I foresee it — judging from my particular installation within a Kansas City suburb — never failing to update itself at least two or three times during each automatically recurring, extended overnight session comprising MULTIPLE hourly signal-search attempts. And thus the displayed time-and-calendar information will surely remain accurate for the duration of this Sharp product's useful life, which could well be a great many years. [Incidentally, MANUALLY pressing-and-holding the "WAVE" button to initiate a search for the atomic radio signal, I've also happily successfully tested this same Sharp specimen in various other locations of my multilevel house — not only elsewhere on the first floor and then out in the attached windowless garage with both driveway doors fully closed, but also down in the fully-underground finished basement and finally upstairs on the second and third floors. In all of those other locations, atomic-clock functionality was maximally enhanced whenever the clock's rear/front was pointed DIRECTLY toward Colorado. On the second and third floors — where signal reception was noticeably at its very best — the "searching for atomic signal" icon began flashing at full-signal-bars strength within about five seconds (even at such DAYTIME junctures as 3:00 and 4:45 PM CST); and the ensuing "atomic signal found" icon most quickly appeared — within two minutes.] Bottom line, especially recalling this radio-controlled model's unique combination of "five-inches-high" compactness and "shiny-black-frame" stylishness being so felicitous for my aforementioned DECORATIVE purpose, I'm thoroughly delighted and grateful to Sharp for creating — for me — the "perfect" little atomic wall clock! * * * P.S.: Under the subheading “Words to the Wise,” I’ll leave you with two vital reminders: First, I strongly advise that you DON’T TOUCH the — at least initially — strikingly beautifully shiny-black-plastic portions of this product’s front, especially if you aim to install it in a location where bright ambient light will readily reveal even the slightest fingerprint smudge or fingernail scratch. Be proudly prudent by touching only the outermost edges. Second, do not initially neglect to MANUALLY select your location’s TIME ZONE. Essentially every atomic-clock retail product absolutely requires that particular bit of manual user input, in order to display the correct HOURLY time. ... show more
Reviewed in the United States on July 27, 2024 by Henry Thoreau
    • Wow - what a well engineered auto set clock!
for 3 years now I've been using a small "atomic clock" made by another manufacturer - it was a few dollars less than this clock. I regretted that I did not purchase this clock as soon as I opened the package - and even more the instant I put the batteries in. This is an extremely well engineered clock. It is highly visible from across the room at all angles - it auto sets - but the procedure to set it manually could not be easier - It seems to sense timezone, and DST was set to "on" too - and setting each feature - time, date, alarm has its own button - it makes setting it as easy as possible - especially compared to the less expensive clocks that have fewer buttons (presumably to keep the cost down). As soon as I had the time and date set, I immediately order another of the clocks to replace another cheaper unit. This product is very well designed, and really delivers ease of use and high visibility. I've only had it for 30 minutes now, but I wanted to share my first impressions. Truly an excellent product. ... show more
Reviewed in the United States on June 18, 2022 by dahboss
    • Easy to see but doesn't synchronize
Excellent clock with large digits and very portable but doesn't synchronize as advertised. Both the actual time and timezone are hard to correct. When carried in a bag, is very sensitive to motion and beeps a lot as if touched.
Reviewed in the United States on December 10, 2025 by Omega
    • Great Display, quick sync
This clock works great. It replaces an older model that still works, but the display on this one is much better and the Atomic Clock syncing seems quicker.
Reviewed in the United States on January 26, 2026 by Early Adopter
    • The atomic clock fails to function, worse yet, sets random times and dates.
After 5 months the atomic clock feature failed completely. It was worse than not picking up the signal, it started showing the wrong times and dates! The clock is very difficult to set manually and never did figure out how to set the date manually. Why buy an atomic clock if it is not going to set the time? Worse, one that randomly resets to incorrect times and dates. ... show more
Reviewed in the United States on January 3, 2026 by Elaine Zoeller
    • Good to get back to basics
This clock is fantastic, since I have it there is no need to keep a cell phone near by which is healthy for my sleep.
Reviewed in the United States on November 7, 2025 by Carlos.Arboleda
    • .
Was working ok for about 10 days and then noticed Nov. 17 --- actually was Oct. 28. Manually reset it and seems to be ok as of Nov. 9. It is near a window with no other electronics or appliances near it. Seems to keep good time and hope the dates just had a mis-step.
Reviewed in the United States on November 9, 2025 by A Customer
    • Easy to see and use
This clock is larger and much easier for me to see. I love that it had the day and the date. It’s atomic so I put in the batteries and a few minutes later, everything was automatically set.
Reviewed in the United States on December 15, 2025 by Rose A

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