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10 Best Atomic Alarm Clock

The atomic alarm clocks are famous for the most accurate time and frequency standard, matching with the international time standards, in case of controlling the wave frequency for TV broadcasts or GPS. Most importantly, the atomic alarm clocks are able to waken you up in the exact same time that you want them to. These clocks never fail to remind you about your daily events timely.

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3.2M consumers helped this year.
Updated On June, 2022
Our experts analyzed 127 products from top online stores and selected 108 products depending on brand value, user ratings, customer satisfaction, and product quality.
Our A.I tools analyzed 5630 reviews for these 108 products and generated ratings and ranking depending on verified customer reviews.
The final result shows, 73% of the consumers provided positive feedback while the rest of 27% had several complaints about this product.

Best Selling Atomic Alarm Clock

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1
13% OFF
DreamSky Auto Set Digital Alarm Clock Backup Battery with USB Charging Ports for Bedroom, 5 Inch Large Display with Date Weekday Temperature, Auto DST, Full Range Brightness Dimmer, Snooze, 12/24Hr
  • Large Display with Full Range Dimmer: 5โ€œ Large LCD screen with nice eye care number display. Time, date and temperature display. Almost full range brightness settable (6 levels + auto dim ), you can easily change to have the view bright or dim it to extremely low.
  • Advance autoset time : The alarm clock will set itself to right time, date and temperature immediately once plugged in. The long lasting button cell backup battery (installed ) will holds all settings and ensure the time always be accurate in case of main power interrupted. What you need to do is set your time zone and wake up time. Simple as that. Even miss the right time, you are still able to set it manually.
  • Auto DST and selectable time zone : Automatically adjusts to Daylight Savings Time while set the DST on .Seven USA time zone (EST/ CST/ MST/ PST/AST/HAT/AKT) and one newfoundland time zone NST selectable for your location.
  • Ascending beeping alarm with snooze: Ascending alarm sound wake you up naturally . Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. 8 minutes later the alarm will ring again .
  • Plug in clock with USB charging port: Powered by USB port by plug in outlet. Extra USB charging port for charging cellphone and other electronic device. 3*AA batteries( not included) as backup, which will store the setting and keep the time works in case of main power outage.
Score: 9.7

2
MARATHON Atomic Desk Clock with Backlight, Heat & Comfort Index
  • Features heat & comfort index, day, date, indoor temperature & humidity
  • Amber colored LED backlight
  • Automatic self-setting and self-adjusting
  • 5 languages (English, Dutch, French, Italian & Spanish)
  • Alarm with snooze function
Score: 9.5


4
BALDR Atomic Alarm Clock - Large Color Display Digital Desk Clock - With Indoor Thermometer for Temperature & Humidity - Date & Real-Time Moon Phases - Perfect Office Clock or Nightstand Clock (Black)
786 Reviews
BALDR Atomic Alarm Clock - Large Color Display Digital Desk Clock - With Indoor Thermometer for Temperature & Humidity - Date & Real-Time Moon Phases - Perfect Office Clock or Nightstand Clock (Black)
  • ULTRA EASY SETUP: Simply set the time zone on our smart clock and leave it plugged in overnight - our automatic clock will automatically adjust the time and calendar date with the WWVB radio broadcast by the US National Institute of Standards and Technology (NIST) in Fort Collins, Colorado. Our smart clocks will even self-update for daylight saving time (DST). The atomic feature only functions in North America and works typically at midnight or in the very early hours of the morning.
  • SHARP COLOR LCD DISPLAY: White backlit and with adjustable screen brightness, our electric atomic clock is easy to read whether it's day or night while not being distracting when you're trying to sleep. Our bedside clock displays the time, date, day, and indoor temperature and humidity in large, vivid, and easily readable digits. Plus, our atomic electric alarm clock features real-time moon phases for those who follow each stage of the lunar cycle.
  • ALARM WITH SNOOZE FUNCTION: Making the perfect digital clocks for bedrooms, our atomic time alarm clock features a conveniently located snooze button on the top so that you can catch a little extra shut eye on those mornings when it's hard to wake up. The electronic calendar function makes these terrific desk clocks for office, place of business, or home alike. You won't find a better digital atomic calendar clock with indoor temperature readings anywhere!
  • BUILT-IN BACKUP BATTERY: Our self setting digital clock is primarily powered via the supplied AC adapter. However, if power is interrupted, our LCD atomic clock includes a built-in CR2032 cell battery that stores your time and alarm settings, giving you peace of mind knowing that your settings will remain once the power resumes. Plus, a low battery sign will appear when it is time to replace the cell battery for your convenience.
  • EASILY ADJUSTABLE BACKLIGHT: Our backlit clocks allow you to adjust the brightness from 100%, 50%, 3%, or off so that our atomic clocks are always easy and comfortable on your eyes. If you're searching for the perfect alarm clocks with date and time, look no further - our premium quality atomic self setting clock is the no-brainer option.
Score: 8.6

5
18% OFF
DreamSky Auto Time Set Alarm Clock for Bedroom, 0-100% Dimmable Brightness Dimmer, USB Charging Port, Date, Auto DST, Temperature, Snooze, 4 Time Zones Digital Clocks for Adult Kids
3,039 Reviews
DreamSky Auto Time Set Alarm Clock for Bedroom, 0-100% Dimmable Brightness Dimmer, USB Charging Port, Date, Auto DST, Temperature, Snooze, 4 Time Zones Digital Clocks for Adult Kids
  • Auto setting alarm clock with full range dimmer: 4.3 Inches large LCD screen displays eye easy catch blue digit, time and content are easy to read at a glance. 0%-100% adjustable dimmer enable you to set the brightness of display to a comfortable level at will.
  • Advance autoset time: The clock will sets itself to the correct time once plug in, hassle free to set time. Cell button battery included as backup battery, which will store the time, date and alarm setting during main power outage, however it will not support the time display nor trigger the alarm.
  • Self setting clock with auto DST and selectable time zone: Automatically adjusts to Daylight Savings Time while set the DST on. Four USA time zone selectable per your location (EST/ CST/ MST/ PST).
  • Ascending soft beeping alarm with snooze: Ascending alarm sound wake you up naturally. Additional snooze to counter oversleeping, simply press the snooze button once and go back to sleep. 8 minutes later the alarm will ring again.
  • Plug in clock with USB ports: one USB port connect the DC adapter (included) power on the clock. Let the other port charging your smart device like cellphone, tablet and mp3 players etc. Convenient and organized.
Score: 8.4

6
Sonic Bomb Dual Extra Loud Alarm Clock with Bed Shaker, Black | Sonic Alert Vibrating Alarm Clock Heavy Sleepers, Battery Backup | Wake with a Shake
30,076 Reviews
Sonic Bomb Dual Extra Loud Alarm Clock with Bed Shaker, Black | Sonic Alert Vibrating Alarm Clock Heavy Sleepers, Battery Backup | Wake with a Shake
  • Power Source Type: Electric Powered
  • Loud Dual Alarm Clock With Snooze โ€“ Set Multiple Alarms With A Duration Of Your Desire From 1-59 Mins And A Snooze Feature From 1-30 Minutes. The Super Loud Alarm Clock Sound Will Flash Lights. You Can Also Choose Either The 12 Or 24-Hour Time Format
  • Battery Backup & Full Range Dimmer โ€“ An Essential For Every Alarm Clock, The Battery Backup Provides Security To Wake On-Time. A Full Range Dimmer To Control The Brightness Of The Clock To Wake Up Fully Rested And Restored
  • Easy To Use - Simple Clearly Labeled Alarm Settings. Turn Knobs To Set Volume And Tone. Easy Switches And Button To Control Multiple Alarms, Dimmer, Snooze, And Clock. Place On Desk Or Night Table For Easy Access
  • 113db extra-loud alarm with adjustable tone & volume control
Score: 8.1

7
Extra Loud Vibrating Alarm Clock with Bed Shaker for Heavy Sleeper Deaf Hard of Hearing, Large LED Display Digital Clock for Bedroom,Dimmer,Night Light,USB Phone Charger,Battery Backup,Senior Teen Kid
  • ๐Ÿ”Š WAKE UP ON TIME WITH SUPER BED SHAKER: You may easily sleep through your alarms with a regular alarm sound, try this ๐—ฉ๐—ถ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐—”๐—น๐—ฎ๐—ฟ๐—บ ๐—–๐—น๐—ผ๐—ฐ๐—ธ - an effective alternative for those who are very hard of hearing. 3 Awake Modes: bed shaker, buzzer, bed shaker&buzzer to choose. The ๐˜ƒ๐—ถ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐˜€๐—ต๐—ฎ๐—ธ๐—ฒ๐—ฟ alert is a wired vibrator connected to clock and placed near you, when alarm goes off, the vibrator will shake to awaken you without disturbing other.
  • ๐Ÿ”Š 7" LARGE SCREEN WITH ADJUSTABLE DIMMER & VOLUME: This ๐—น๐—ผ๐˜‚๐—ฑ ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ ๐—ณ๐—ผ๐—ฟ ๐—ต๐—ฒ๐—ฎ๐˜ƒ๐˜† ๐˜€๐—น๐—ฒ๐—ฒ๐—ฝ๐—ฒ๐—ฟ๐˜€ also equipped with a 7 inch centered illuminating jumbo display, numbers are VERY easy to read without having to put on glasses, especially helpful for people who have poor eyesight. 3 levels (Low-Medium-High) alarm volume and full range (0-100%) brightness of display can be adjusted at any time to your preference.
  • ๐Ÿ”Š 7 COLORED NIGHT LIGHT & BIG SNOOZE BUTTON: This ๐—ฏ๐—ฒ๐—ฑ๐—ฟ๐—ผ๐—ผ๐—บ ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ comes with a bigger than average ๐—ป๐—ถ๐—ด๐—ต๐˜ ๐—น๐—ถ๐—ด๐—ต๐˜ which is a great add-on feature to work as a bedside lamp at night. Press the big โ€œSNOOZEโ€ button on the top when the alarm sounds rings to snooze for another 9 minutes. But don't worry, the alarm will ring every next 9 minutes unless you press the "ALARM PAUSE" button.
  • ๐Ÿ”Š OUTLET OPERATED WITH BATTERY BACKUP: This ๐—ฏ๐—ฒ๐—ฑ ๐˜€๐—ต๐—ฎ๐—ธ๐—ถ๐—ป๐—ด ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ is ๐—ผ๐˜‚๐˜๐—น๐—ฒ๐˜ ๐—ผ๐—ฝ๐—ฒ๐—ฟ๐—ฎ๐˜๐—ฒ๐—ฑ for ALL functions working such as USB charging, vibration, alarm, and time display. 2 AAA batteries (not included) are only used to back-up your time and alarm settings as well as trigger the alarm when power failure.
  • ๐Ÿ”Š DUAL CELLPHONE CHARGERS, 12/24 H, DST: This ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ ๐—ณ๐—ผ๐—ฟ ๐—ต๐—ฎ๐—ฟ๐—ฑ ๐—ผ๐—ณ ๐—ต๐—ฒ๐—ฎ๐—ฟ๐—ถ๐—ป๐—ด is ๐—ฒ๐—ฎ๐˜€๐˜† ๐˜๐—ผ ๐˜€๐—ฒ๐˜ time, alarm, and other practical functions. ๐Ÿฎ ๐—ฝ๐—ต๐—ผ๐—ป๐—ฒ ๐—ฐ๐—ต๐—ฎ๐—ฟ๐—ด๐—ฒ๐—ฟ๐˜€ on the back to charge your mobile devices overnight for the next day. Hold press "HOUR" button to change the 12-hour or 24-hour Time Format for your convenience. Hold press "SET TIME" button to turn on the DST - Daylight Saving Time function.
Score: 7.8

8
Extra Loud Vibrating Alarm Clock with Bed Shaker for Heavy Sleeper Deaf Hard of Hearing, Large LED Display Digital Clock for Bedroom,Dimmer,Night Light,USB Phone Charger,Battery Backup,Senior Teen Kid
  • ๐Ÿ”Š WAKE UP ON TIME WITH SUPER BED SHAKER: You may easily sleep through your alarms with a regular alarm sound, try this ๐—ฉ๐—ถ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐—”๐—น๐—ฎ๐—ฟ๐—บ ๐—–๐—น๐—ผ๐—ฐ๐—ธ - an effective alternative for those who are very hard of hearing. 3 Awake Modes: bed shaker, buzzer, bed shaker&buzzer to choose. The ๐˜ƒ๐—ถ๐—ฏ๐—ฟ๐—ฎ๐˜๐—ถ๐—ป๐—ด ๐˜€๐—ต๐—ฎ๐—ธ๐—ฒ๐—ฟ alert is a wired vibrator connected to clock and placed near you, when alarm goes off, the vibrator will shake to awaken you without disturbing other.
  • ๐Ÿ”Š 7" LARGE SCREEN WITH ADJUSTABLE DIMMER & VOLUME: This ๐—น๐—ผ๐˜‚๐—ฑ ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ ๐—ณ๐—ผ๐—ฟ ๐—ต๐—ฒ๐—ฎ๐˜ƒ๐˜† ๐˜€๐—น๐—ฒ๐—ฒ๐—ฝ๐—ฒ๐—ฟ๐˜€ also equipped with a 7 inch centered illuminating jumbo display, numbers are VERY easy to read without having to put on glasses, especially helpful for people who have poor eyesight. 3 levels (Low-Medium-High) alarm volume and full range (0-100%) brightness of display can be adjusted at any time to your preference.
  • ๐Ÿ”Š 7 COLORED NIGHT LIGHT & BIG SNOOZE BUTTON: This ๐—ฏ๐—ฒ๐—ฑ๐—ฟ๐—ผ๐—ผ๐—บ ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ comes with a bigger than average ๐—ป๐—ถ๐—ด๐—ต๐˜ ๐—น๐—ถ๐—ด๐—ต๐˜ which is a great add-on feature to work as a bedside lamp at night. Press the big โ€œSNOOZEโ€ button on the top when the alarm sounds rings to snooze for another 9 minutes. But don't worry, the alarm will ring every next 9 minutes unless you press the "ALARM PAUSE" button.
  • ๐Ÿ”Š OUTLET OPERATED WITH BATTERY BACKUP: This ๐—ฏ๐—ฒ๐—ฑ ๐˜€๐—ต๐—ฎ๐—ธ๐—ถ๐—ป๐—ด ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ is ๐—ผ๐˜‚๐˜๐—น๐—ฒ๐˜ ๐—ผ๐—ฝ๐—ฒ๐—ฟ๐—ฎ๐˜๐—ฒ๐—ฑ for ALL functions working such as USB charging, vibration, alarm, and time display. 2 AAA batteries (not included) are only used to back-up your time and alarm settings as well as trigger the alarm when power failure.
  • ๐Ÿ”Š DUAL CELLPHONE CHARGERS, 12/24 H, DST: This ๐—ฎ๐—น๐—ฎ๐—ฟ๐—บ ๐—ฐ๐—น๐—ผ๐—ฐ๐—ธ ๐—ณ๐—ผ๐—ฟ ๐—ต๐—ฎ๐—ฟ๐—ฑ ๐—ผ๐—ณ ๐—ต๐—ฒ๐—ฎ๐—ฟ๐—ถ๐—ป๐—ด is ๐—ฒ๐—ฎ๐˜€๐˜† ๐˜๐—ผ ๐˜€๐—ฒ๐˜ time, alarm, and other practical functions. ๐Ÿฎ ๐—ฝ๐—ต๐—ผ๐—ป๐—ฒ ๐—ฐ๐—ต๐—ฎ๐—ฟ๐—ด๐—ฒ๐—ฟ๐˜€ on the back to charge your mobile devices overnight for the next day. Hold press "HOUR" button to change the 12-hour or 24-hour Time Format for your convenience. Hold press "SET TIME" button to turn on the DST - Daylight Saving Time function.
Score: 7.5

9
15% OFF
Sharp Digital Alarm with AccuSet - Automatic Smart Clock, Never Needs Setting - Great for Seniors, Kids, and Everyone who Doesn't Want to Set a Clock! Black Case with Red LEDs
  • AccuSet Automatic Time Set - The clock is pre-programed with the time so there is no need to worry about setting buttons. Just select your time zone at the bottom of the clock and turn on the DST if applicable. Plug the clock in to an approved electrical source.
  • Quick Daylight Savings Time (DST) Adjustment - For quick adjustment for Daylight Savings Time, slide the DST switch at the bottom of the clock to ON to add and hour (+1 hr.). For Standard Time slide switch to OFF to subtract an hour (-1 hr.)
  • High/Low Dimmer control - Adjust the display brightness to your liking with the high or low dimmer control.
  • Back up Battery -The button cell battery CR2032 is pre-installed and is used for the back up battery and the time settings. It is in a screw-secured cabinet at the bottom of the clock. This battery will last for several years.
  • Time Zone Selection - The default time zone is Eastern Standard Time. Before you plug in the set your time zone on the bottom of the clock.
Score: 7.2

10

No products found.

Score: 7.0

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How We Score
Popularity
8.2

Popularity

Reviews
7.8

Reviews

Features Quality
7.3

Features Quality

Brand Reputation
6.9

Brand Reputation

For comparing among the products we depend on product quality and functionality, pricing and budget, user reviews, brand reputation, and many other criteriaโ€™s. Moreover, we give a prime priority to the statements of our product experts, or read more About Us

Benefits of Atomic Alarm Clock


Large And Clear Display

The clocks contain pretty large and clear display where you can see the time clearly. The time flashes in different colors that helps you to focus on it from a far distance.

Easy Charging

You can charge it easily with any USB cable and port.

Auto-Set Feature

The clock will set the time, date and temperature automatedly, as soon as it is plugged in. You don’t even need to set your time zone if you bring it to different places. Just make sure, you plug it in the electric port.

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