Are you trying to find atomic clocks among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling atomic clocks on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 67 atomic clocks tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best atomic clocks you can buy today
- Atomic Accuracy: The 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 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 receiving unit. The wireless technology means no wire installation is necessary. Note: The wireless sensor is included in the box, separate from the clock.
- Jumbo 3” Tall LCD Time Display - Easy to Read, Easy to Use, Easy to Set up - Use as either a wall clock, or as a desk clock with integrated stand. Perfect for anyplace in your home.
- Displays indoor and outdoor temperature - Displays calendar and day of week
- Battery powered: Main unit 3 x AA batteries - Sensor 2 x AAA batteries (not included)
- 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 (Not 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.
- Automatically sets to exact time
- Accurate to the second
- Automatically updates for Daylight Saving Time (ON/OFF option)
- 4 Time zones: PT, MT, CT, ET
- Simple Operation: Insert 1 AA Alkaline Battery (not included) or ADD 2 additional AA to extend battery life (up to 3 yrs)
- Accurate, atomic self-setting time & date with automatic resets for Daylight Saving time
- Black plastic wide frame
- 4 Time Zone Settings
- Simple operation with 1 AA alkaline battery
- Accurate to the Second
- 𝗔𝗰𝗰𝘂𝗿𝗮𝘁𝗲 𝗔𝘁𝗼𝗺𝗶𝗰 𝗖𝗹𝗼𝗰𝗸 - The atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast, which will update time automatically every midnight to ensure accurate time. It has 4 time zones: EST, CST, MST, PST.
- 𝗔𝘁𝗼𝗺𝗶𝗰 𝗖𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝗜𝗻𝗱𝗼𝗼𝗿 𝗮𝗻𝗱 𝗢𝘂𝘁𝗱𝗼𝗼𝗿 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲 - This atomic clock can display both indoor and outdoor temperature, helps you better manage your daily life. The wireless outdoor sensor monitors and transmits the outdoor temperature to the clock to display. The sensor should be placed within 330 feet and out of direct sunlight or rain.
- 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗖𝗹𝗼𝗰𝗸 𝗕𝗮𝘁𝘁𝗲𝗿𝘆 𝗢𝗽𝗲𝗿𝗮𝘁𝗲𝗱 (𝗡𝗼 𝗕𝗮𝗰𝗸𝗹𝗶𝗴𝗵𝘁) - Both the digital clock and outdoor sensor are supported by non-rechargeable batteries: 3xAAA for clock and 2xAA for outdoor sensor. (Batteries are not included). When batteries of clock or sensor are running low, there would be a low battery symbol appearing on screen and blinking, reminding you to replace new batteries in time.
- 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗔𝗹𝗮𝗿𝗺 𝗖𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝗔𝗨𝗧𝗢 𝗗𝗦𝗧 - When alarm or DST is set on, there would be a corresponding icon staying on screen. Both of them could be turned off manually if for no need. With DST on, clock will go forward or fall back one hour automatically in daylight saving time.
- 𝗟𝗮𝗿𝗴𝗲 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 𝘄𝗶𝘁𝗵 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲, 𝗗𝗮𝘆 𝗮𝗻𝗱 𝗗𝗮𝘁𝗲 - The clock shows time with seconds in big bold in the middle of screen, help you read the time easily and quickly. It also displays indoor temp/outdoor temp/day/date on bottom, provides a full information you need on clock.
- 𝟭𝟮/𝟮𝟰𝗛𝗿 𝗧𝗶𝗺𝗲 𝗠𝗼𝗱𝗲 𝗮𝗻𝗱 𝗙𝗮𝗵𝗿𝗲𝗻𝗵𝗲𝗶𝘁/𝗗𝗲𝗴𝗿𝗲𝗲 𝗦𝘄𝗶𝘁𝗰𝗵𝗮𝗯𝗹𝗲 - This atomic clock has two display modes (standard time and military time). When clock time is set for one mode, the alarm time would be followed same automatically. Also, the temperature display could be exchanged from Fahrenheit to Degree by clicking the button on back.
- 𝗔𝗰𝗰𝘂𝗿𝗮𝘁𝗲 𝗔𝘁𝗼𝗺𝗶𝗰 𝗖𝗹𝗼𝗰𝗸 - The atomic clock has a built-in receiver that automatically synchronizes itself with the WWVB radio broadcast, which will update time automatically every midnight to ensure accurate time. It has 4 time zones: EST, CST, MST, PST.
- 𝗔𝘁𝗼𝗺𝗶𝗰 𝗖𝗹𝗼𝗰𝗸 𝘄𝗶𝘁𝗵 𝗜𝗻𝗱𝗼𝗼𝗿 𝗮𝗻𝗱 𝗢𝘂𝘁𝗱𝗼𝗼𝗿 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲 - This atomic clock can display both indoor and outdoor temperature, helps you better manage your daily life. The wireless outdoor sensor monitors and transmits the outdoor temperature to the clock to display. The sensor should be placed within 330 feet and out of direct sunlight or rain.
- 𝗗𝗶𝗴𝗶𝘁𝗮𝗹 𝗔𝗹𝗮𝗿𝗺 𝗖𝗹𝗼𝗰𝗸 𝗕𝗮𝘁𝘁𝗲𝗿𝘆 𝗢𝗽𝗲𝗿𝗮𝘁𝗲𝗱 - The clock is supported by 3 x AAA battery and outdoor sensor is supported by 2 x AA battery. (Batteries are not included). When batteries of clock or sensor are running low, there would be a low battery symbol appearing on screen and blinking, reminding you to replace new batteries in time.
- 𝗟𝗮𝗿𝗴𝗲 𝗗𝗶𝘀𝗽𝗹𝗮𝘆 𝘄𝗶𝘁𝗵 𝗧𝗲𝗺𝗽𝗲𝗿𝗮𝘁𝘂𝗿𝗲, 𝗗𝗮𝘆 𝗮𝗻𝗱 𝗗𝗮𝘁𝗲 - Two temperature modes switchable (Celsius and Fahrenheit). When click button, both indoor and outdoor temperature exchange mode at the same time. There are also two display modes of time selectable: Standard Time and Military Time.
- 𝗔𝗨𝗧𝗢 𝗗𝗦𝗧 𝗮𝗻𝗱 𝗔𝗹𝗮𝗿𝗺 – With DST on, clock will go forward or fall back one hour automatically in daylight saving time. When DST or alarm is on, there would be a corresponding icon staying on screen. Both of them could be turned off manually if for no need.
- Atomic self set time and date with optional manual set
- Automatic Daylight savings time reset (on/off option)
- Large 2.125 inch time digits for easy reading
- Calendar: month, date, day
- Monitors Indoor and wireless outdoor temperature (F/C)
- NEW & IMPROVED!!! We listened to your comments, and the clock now has ALWAYS ON BACKLIGHT WHEN PLUGGED IN and FULL COLOR SCREEN! Improved clarity and brightness – All in color!
- Atomic Accuracy: The 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 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 receiving unit. The wireless technology means no wire installation is necessary. Note: The wireless sensor is included in the box, separate from the clock.
- Jumbo 3” Tall LCD Time Display - Easy to Read, Easy to Use, Easy to Set up - Use as either a wall clock, or as a desk clock with integrated stand. Perfect for anyplace in your home. In addition to the accurate self setting atomic time, the clock displays indoor and outdoor temperature and easy to read calendar and day of week
- ELECTRIC POWERED with ON DEMAND BACKLIGHT BATTERY OPERATION: Plug into standard household wall outlet – The Sharp Atomic Clock with Color Display is compatible with 110V/120V power outlets - to power the clock with “always on” display. Will also work on Battery Optional Mode (Main unit 3 x AA batteries - Sensor 2 x AAA batteries (not included). While operating under battery power, use the BACKLIGHT button to illuminate the display for 5 seconds.
- Atomic all clock with self-setting time and date, indoor temp, alarm. Please note: Product has ONLY indoor temperature, NOT outdoor temperature.
- Automatically updates for seasonal time changes where applicable
- Displays time, date, day, temp on one screen; wall hanging or free standing;
- Measures 9 by 1 by 7.2 inches; requires 2 AA batteries (not included)
- ATOMIC ACCURACY: The 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.
- AUTOMATICALLY SETS: Clock resets regularly by radio-control to match the US Atomic Clock in Colorado and adjusts automatically for daylight savings time
- BRUSHED SILVER FRAME: Brushed frame adds style and longevity to any decor
- BATTERY OPERATED - (Requires 1 x AA batteries - not included)
- EASY TO READ - EASY TO USE: Simple, easy to read style fits any decor and is easy to read - perfect for any room in the house: den, office, kitchen, kids room, garage
- Accurate Atomic 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 transmits the outdoor temperature to the atomic clock. The sensor should be placed within 100ft of the clock. Also, clock has a built-in high-quality indoor temperature sensor so that you can read the temperature both indoor and outdoor.
- Digital Wall Clock or Desk Clock - Jumbo 2.5" Height 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 – 12/24 Hour time formats with accurate and clear second minute and hour display; 4 time zone to choose (PST, MST, CST, EST); auto daylight saving time; temperature display units in Celsius (℃) or Fahrenheit (℉).
- Battery Operated Atomic Wall Clock – Both clock and outdoor sensor are supported by batteries only, no need to plug or charge(Batteries not included). The existed alarm 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.
- 12/24 Hour Atomic Time & Date and Daylight Saving Time (on/off option) and 7 USA time zones (ATL to HAW)
- Future 12 hour Forecast with Indoor/Outdoor Temperature (°F/°C) and Trend Arrows
- Full Calendar (Day /Month with Weekday) and Crescendo time alarm with 10 minute snooze
- Outdoor Sensor Signal strength indicator and Low Battery indicators; Wall Hanging or Free Standing Design
- Outdoor Temp Range: -40°F to 140°F (-40°C to 60°C); Battery operation (Clock requires 2 AA alkaline and TX141v3 Sensor requires 2 AA batteries (batteries, not included)
- Atomic Clock Digital - The clock has a built-in receiver that automatically synchronizes itself with WWVB radio broadcast, which will set and update time automatically every midnight, no need to set manually. It has four time zones selectable: EST, PST, MST, CST.
- Digital Clock Battery Operated (No Backlight) - This digital clock is supported by 3xAAA battery (Not included). When batteries of clock are running low, there would be a low battery symbol appearing on screen and blinking, reminding you to replace new batteries in time.
- Large Display with Indoor Temperature, Day and Date - The LCD screen measures 6.2 in x 3.7 in and it displays time, indoor temperature, day and date. Each section is showed separately, allows you to read the content easily and quickly.
- Auto DST - With DST on, the time would go forward or backward one hour automatically in daylight saving time, no worry about time changing on that day. If for no need, it could also be turned off, then “AUTO DST” disappears from screen.
- Digital Alarm Clock - The alarm could be turned on or off according to your need, just click the button to set. When alarm is set on, there is a bell icon staying on screen. The icon will disappear if alarm is set off. When alarm goes off, just click any button to stop it on the day.
- 12/24Hr Time Mode and Fahrenheit/Degree Switchable - This atomic clock has two display modes (standard time and military time). When clock time is set for one mode, the alarm time would be followed same automatically. Also, the temperature display could be exchanged from Fahrenheit to Degree by clicking the button on back.
- 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
- Atomic Time with Manual Setting
- Automatically Sets to Exact Time
- Accurate to the Second
- Automatically Updates for Daylight Saving Time (On/Off Option)
- 4 USA Time Zone Settings.Simple Operation: Insert 1 AA Alkaline Battery
- For precise time in the home or office, atomic analog clock from La Crosse Technology
- Frame features chrome-colored finish with black inner trim; flat lens covers clock face from dust and debris
- Clock resets regularly by radio-control to match the US Atomic Clock in Colorado and adjusts automatically for daylight savings time
- Users select from 4 time zone setting buttons on the reverse for area time; requires separate purchase of 1 AA battery
- Clock measures 10 inches in diameter and 1-2/3 inch in depth with a 7-1/4-inch diameter face; this clock is covered by a 1-year warranty
- 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.
- The Sharp Atomic Clock (Model - SPC932) can be easily mounted to the wall or can be used on table top or desk with the built in stand. 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.
- 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.
- Atomic time automatically sets to exact time; Accurate to the second
- Automatically updates for Daylight Saving Time (ON/OFF option); 4 Time zones: EST, CST, MST & PST
- 10" Brushed black stainless steel case with Silver chapter ring design; Raised numbers on bezel
- Plastic lens with Metal hands
- Simple operation, requires one AA alkaline battery (not included)
- Clock will set itself to the correct time automatically by receiving the radio signal from Fort Collins, Colorado. No need to manually change the time from Standard to Daylight Savings and back, it all happens automatically.
- Vintage rustic bronze plastic frame with age treatment, Crystal clear glass cover, 13 inch diameter
- Simple white dial with elegant black metal hands, Black Arabic numeral analog display, Easy to read
- Battery operated radio-controlled atomic movement (requires 1 AA battery - not included) - PLEASE NOTE: Only for use in the Continental US Time Zones.
- Perfect clock for hanging outdoors or indoors, dining rooms, living rooms, family rooms, bedrooms, study room, kitchen, office, or conference room
- Indoor temperature (°F/°C), Moon Phase Icon
- 12/24 hr. atomic time (optional manual setting)
- Time alarm with snooze option, Calendar: day, month, date
- Time zone selectable (M, P, C, E), Bright blue LED backlight, Atomic signal reception icon
- 2 "AAA" Alkaline batteries (not included)
- Dimensions: 4.76" L x .835" W x 3.12" H
- Adjustable backlight (hi/low/off) using Included AC adapter or battery operated on-demand and adjustable display mode: full weekday; weekday & date; seconds; or indoor temperature (F)
- Extra-large, easy to read 2 inch time digits to assist those suffering from memory loss and/or labor with abbreviated words
- Alarm with 10 minute snooze
- Wall hang or table standing
- Note : When plugged in the AC adapter the clock Snooze/light button has 3 settings, One press can turn off the light, Second press can have the backlight on low. And Third press off the Snooze/light button has the backlight on high.
How to choose a good atomic clocks
Does the idea of finding a fantastic atomic clocks make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in atomic clocks. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top atomic clocks products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top atomic clocks on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top atomic clocks brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top atomic clocks based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the atomic clocks were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good atomic clocks, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your atomic clocks.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting atomic clocks for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our atomic clocks. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what atomic clocks should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on atomic clocks.
