Best Digital Atomic Alarm Clock in 2022 [*Top Picks*]

Looking for the best digital atomic alarm clock on the market? We’ve got you covered. Check out our ratings of absolute bestsellers below and make a final decision.

7389 Reviews Scanned

  • 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
    Bestseller #1
    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 (3553)
      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.
  • 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
    Bestseller #1
    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 (3463)
      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.
  • Sharp Atomic Desktop Clock with Color Display - Atomic Accuracy - Easy to Read Screen with Calendar & Day of Week Time/Date Display - Auto Set Digital Dual Alarm Clock - Perfect for Nightstand or Desk
    Bestseller #1
    Sharp Atomic Desktop Clock with Color Display - Atomic Accuracy - Easy to Read Screen with Calendar & Day of Week Time/Date Display - Auto Set Digital Dual Alarm Clock - Perfect for Nightstand or Desk (3463)
      Color Atomic Alarm Clock - Accurate to the Second! 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. Color 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. Using the Snooze/Dimmer switch on top of the display, you can easily adjust the display brightness to your liking. EASY TO SET DUAL ALARM - Set alarm for two people, or set one alarm for weekdays and the other for weekend!. Snooze/Dimmer Switch is simple to use and on top of the display. BATTERY BACK-UP - There is a "No Worry" battery back-up option (requires 2 x AAA battery, sold separately), that will allow the alarm to go off, even if the power goes out. The battery back-up stores the time and alarm settings if the power is interrupted. During battery back-up the clock’s display will not be lit. Once power is restored, the display will re-light. ALWAYS ON DISPLAY – Display is always illuminated. You can use the Snooze/Dimmer switch on top of the display, to easily adjust the display brightness to your liking. NOTE: The screen will go dark while the clock is setting and searching for the Atomic Signal. Once signal is located, the screen will always be illuminated.
  • 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
    Bestseller #1
    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 (3553)
      Large Display with Full Range Dimmer: 5“ 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.
  • Sharp Atomic Desktop Clock – Auto Set Digital Alarm Clock - Atomic Accuracy - Easy to Read Screen with Time/Date/Temperature Display- Perfect for Nightstand or Desk
    Bestseller #1
    Sharp Atomic Desktop Clock – Auto Set Digital Alarm Clock - Atomic Accuracy - Easy to Read Screen with Time/Date/Temperature Display- Perfect for Nightstand or Desk (3463)
      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.
  • WallarGe Atomic Clock with Indoor Temperature and Humidity,Self-Setting Digital Wall Clock or Desk Clock,Battery Operated Alarm Days Digital Clock Large Display for Seniors,Auto DST.
    Bestseller #1
    WallarGe Atomic Clock with Indoor Temperature and Humidity,Self-Setting Digital Wall Clock or Desk Clock,Battery Operated Alarm Days Digital Clock Large Display for Seniors,Auto DST. (1198)
      Atomic Digital Clock Auto Set (no back light) - Using radio frequencies broadcast from NIST’s Colorado , the clock will automatically set to the correct time. Automatically adjusts to Daylight Savings Time while set the DST on. Atomic Wall Clocks Battery Operated with Alarm - This digital calendar alarm day clock required 3 “AA” long life batteries (included) for operation, no redundant wires, easy to use. Turn on the alarm clock before going to bed, it will wake you up in the morning. Clock with Temperature and Humidity - Excellent wall clocks for living room, office, bathroom decor,etc. Help you monitor indoor temperature and humidity to avoid cold. 12/24 hours formats with clear Hours, Minutes and Seconds display; 4 Time Zone to choose. Atomic Clock Large Display for seniors - WallarGe atomic clock has been designed with absolute simplicity in mind, you can also set it manually without any more ado. Wall clock or desk clock, large and clear digital display, easy to read. Digital Wall Clock with Accurate Date and Time - This digital calendar alarm day clock can help you keep track of dates, days of the week and times to avoid missing any important meetings, appointments or anniversaries, work well for work, study or travel schedule.
  • 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)
    Bestseller #1
    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) (557)
      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.
  • La Crosse Technology 617-249 1.8
    Bestseller #1
    La Crosse Technology 617-249 1.8" Curved Blue Digital Atomic Dual Alarm Clock, 6.60" L x 1.55" W x 3.45" H, Black (386)
      Atomic time (Manual set option) and automatic DST updates (on/off) Curved LED with bright 1.8Time display 1 amp USB charging port (charge cable not Included) Dual alarms (A1 & A2) with 4 stage ascending sound Programmable snooze (5-60 minutes) and adjustable brightness & volume
  • La Crosse Technology 617-1485B Atomic Color Alarm Clock with USB Charging Port
    Bestseller #1
    La Crosse Technology 617-1485B Atomic Color Alarm Clock with USB Charging Port (386)
      Atomic self-setting time and date with automatic Daylight saving time reset USB charging port for mobile devices (charge cable not included) Indoor temperature & humidity with trend arrows Adjustable backlight settings Moon phase icons
  • WallarGe Atomic Clock with Outdoor and Indoor Temperature - Self-Setting Alarm Day Digital Clock Large Dispaly,10
    Bestseller #1
    WallarGe Atomic Clock with Outdoor and Indoor Temperature - Self-Setting Alarm Day Digital Clock Large Dispaly,10" Battery Operated Wall Clocks or Desk Clocks for Bedroom,Livingroom,Office, (1198)
      Extremely Accurate Digital Clock – Never Need Setting. Atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast by the US Government’s National Institute (NIST) in Fort Collins, Colorado. The Atomic Clock will always be accurate to within one second as it receives daily WWVB updates. Wireless Outdoor Temperature Sensor - The Wireless outdoor sensor (included) transmits the outdoor temperature to the Atomic Wall Clock. The sensor can be placed anywhere within 100ft of the clock. Of course, clock also has a built-in high-quality indoor temperature sensor. So, you can easily know the temperature indoor and outdoor. Digital Wall Clock or Desk Clock - Jumbo 2.5" Tall Time Digital Display - Use as either a wall clock or as a desk clock, it is easy to read, easy to Use and easy to set up. This atomic clock has been designed with absolute simplicity in mind, you can also set it manually. They are excellent clocks for seniors, perfect for anyplace in your home or office. Multiple Display Modes - 12 or 24 Hour time formats with accurate and clear second, minute and hour display; 4 time zone to choose between PST, MST, CST, EST; Auto Daylight Saving Time; Temperature display units in Celsius (℃) or Fahrenheit (℉), allow you to keep abreast of changes in indoor temperature. Battery Operated Alarm Clock - This calendar alarm days clock only required batteries for clock and outdoor sensor, which means no wire installation is necessary, easy to use. The additional alarm clock features can wake you up in the morning or help you keep track of dates and days of the week to avoid missing any important meetings or appointments. (Batteries not included))
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