Best Clear Wall Clocks in 2026

Wall Clocks with Temperature and Humidity - These digital wall clocks are equipped with Swiss high precision SHTC3 detection sensors,help you master the most accurate indoor temperature and humidity and create the most comfortable indoor environment.

Autoset Battery Operated Digital Wall Clock - Once you insert three AA batteries(Not included), it will automatically set the correct time. You just need to select the time zone. It also has a Memory BATTERY in case of a power outage, in which case it will retain the correct time and date when the power returns.(non-atomic clock)

Digital Clock Large Display - Wall hanging or table standing clock with large number display, this desk alarm clock with 8 minutes snooze has been designed with absolute simplicity in mind, so you can operate and read it without any more ado.

【16.2" LED Digital Wall Clock Large Display】This large digital clock has a 16.2 inchs LED screen and 4 inches time digits, which are super easy to read across the room. You can easily track the time, date, temperature and day of the week at a glance.

【Auto Dimming + 10 Levels Brightness】This wall clock is equipped with a high-sensitivity light sensor, you can choose the automatic brightness adjustment mode, which will automatically adjust the brightness according to the ambient light intensity. You can also choose a fixed brightness mode, which has 10 brightness levels to choose from.

【Power Cord Powered + Battery Memory Settings】This digital clock is powered by plugging into a USB port, and we also include a 5V 1A power adapter. At the same time, it comes with a button battery, which can remember the time setting, even if the wall clock is cut off suddenly, you don't need to reset it.

❤【Best Clock for the Schoolkids or Seniors】This 7 inch 1024*600 High-definition clock comes with Remote Control up to 16 Feets, time mode [ 12 or 24 HR & AM or PM ], date mode[ Month/Day/Year & Day/Month/Year ]. Sharp crisp display with 170°viewing angle that can be seen from all sides. Great for the school-learning kids, visually impaired dementia patients, or seniors !

❤【 Visually-appealing Timer with Sun☀️Moon🌙 icons】 Unlike others on the market, our digital wall clock can show / hide the colored icons to indicate day and night time, medicine-taking, Drink Some Water, and alarm timings clearly; Perfect for those with memory loss and often confused seniors, to understand timings by bold and colorful images, without the difficulties of reading

❤【Multiple Alarms & Custom Message Reminders】This digital wall clock with day and date for elderly comes with 3 medication reminders, 1 wakeup alarm, 1 reminder for drinking water, and 10 custom reminders; You can custom 10 more messaging reminders (created and uploaded from your own USB2.0 flash) for school kids or memory loss elderly parents.

Water Resistant Time Management Clock: Save time, water, and energy and do more with the Kadams digital bathroom clock that comes with IP 24 rating for water resistance. Perfect as a clock for bathroom kitchen, laundry, spa, and home living areas, the clock allows you to manage your morning routine and every day activity in and intelligent and efficient way

Temperature & Humidity Display: Kadams bathroom clock also functions as a shower timer with a countdown up to 99 mins. It displays in both 12/24 hour format in AM/PM and also features a thermometer display with a measurement range of 32.0 °C to 122.0 °C and 14 °F to 122 °F. The clock also has a hygrometer display for measuring humidity between 20% - 99%

Calendar with Day Display in 7 Languages: Keep track of month, date, and day with Kadams bathroom timer that features switchable m/d or d/m formats. The days of a week are displayed in 3 characters and 7 languages including English, Italian, French, Dutch, Spanish, Danish, and German

Countdown timer/stop watch

Count up till 99:59

Wall mounting, table standing or magnetic holding

【180° Projection Alarm Clock】 Perfect alarm clock. This 180° rotatable clock with focus control ring projected a clear time on your wall. Whenever you wake up, the time comes into your eyes. And our clock equipped with a high sensitivity sensor which can adjust the display brightness, it will not disturb you or your kids sleeping.

【Dual Alarms Clock & Snooze Function】You can set two separate wake-up times for different purposes, 15 level adjustable volume meet your requirements. Press the top middle "snooze" button for extra 5-minute lazy sleep. Press any other button to stop the alarm will automatically stay on for next day.

【Radio Function with Sleep Time or Wake Time】Clock radio can searching, locking, and storing unlimited number stations within 76-108 MHz. Auto-off function allows you to set 5 to 90 minutes sleep timer and it will turn off automatically at the specified time. Light music help you relax and fall asleep quickly, while the morning news help you focus on what's hot today. All these can be achieved with this clock.

STYLISH LARGE DISPLAY DESIGN ---- High contrast clear jumbo digits, it is easy to read from far distance at any angle. This digital alarm clock can show the time, date, month, day and temperature, bring you clear and comfortable visual sense. Wall Hanging or standing on table, battery powered so that the position can be adjusted optionally.

MULTIFUNCTION DIGITAL TIMER CLOCK ----- This large display timer clock has has 3 modes: Timer, Alarm, Clock. You can just press mode button to change mode, easy to operate. User-friendly design, 12 or 24 Hour display formats with indoor temperature display in ℃ or ℉, meet your various needs. In addition, built-in button cell battery ensure that the time is always accurate when replacing the batteries.

ALARM CLOCK WITH SNOOZE FUNCTION ----- XREXS digital day calendar alarm clock with features of clear alarm sounds and precise time will be your reliable assistant for wake-up service. 5 minutes snooze function helps you better get up. If you want to turn off the alarm clock, just press any other buttons. Three alarm clock working modes, meet your different needs.

Upgrade 2 Color Display Modes：Single color setting with seven colors or smoothly loop six colors. Its not only a clock，but also an elegant and concise decoration for for home，kitchen，hotel，office ,bedside，etc.

Mulit-function Digital Display: 12 / 24 time mode, Time, Date，Temperature, Count down, Count up,1~99 levels brightness.

Remote Control：You can easily set every function via remote control.Change the color through the number buttons.Other function keys are also marked accordingly.

【6-inch Red LED Number with 8 Level Adjustable Brightness】6-inch numbers and time is long-distance readable and identity. It is good viewing experience indoor and suitable for anywhere because the LED is bright and easy to read. Some buyer complained the clock was too bright, now we have upgraded the 8 brightness adjustment, ensure the time is readable in the daytime and the display won't disturb your sleep at night. Auto dimmer will give a big help if you don’t want to control the clock.

【Frameless and Ultra-thin Design】Unlike the other wall clock which has a thick border in the market, our brand wall clock using the shell which is redesign by us. The use of ABS plastic ensures that the wall clock is fire-retardant, lightweight and strong. There are two hanging holes and standback support for mounted the clock on the wall or place on the table.

【Corded Electric and Energy Saving】Corded Electric is the best choice and the stablest power for this wall clock. As we have known, LED is very energy saving and long usage time, so our clock also has this advantage. 9.8 feet USB cable can plug in the laptop, PC, power bank. (we don’t recommend using the power bank.) There is a button cell CR2032 for backup time setting when the power suddenly falls off，but the button cell does not power the clock.There is no battery cover, it is designed .

【3 Level Dimmable Projection Clock】The digital projection clock has a 180° (-90° to 90°) adjustable projector, allowing you to easily and clearly read the time on the ceiling or wall within a distance of 5m/16.4ft , And the best projection distance is 3m/9.8ft. There are 3 levels of projection brightness (bright and off) to choose from. In addition, long press the "Projection" button to flip the projection view up and down 180°.

【LED Display Radio Alarm Clock】The digital alarm clock has a large 7.5-inch LED mirror screen. The adjustment levels are: off, low, medium, high brightness (brightness can be adjusted manually). It can also be automatically dimmed by the light sensor. It will automatically adjust the display brightness according to the ambient brightness. Display time (12H/24H), indoor temperature (°F/°C) and indoor humidity. Note: The humidity deviation is ±5, and the temperature deviation is ±1.

【FM Radio with 15 Level Adjustable Volume & Auto-Off Timer】Coming with an antenna, the fm radio alarm clock can automatically search, lock, and storage unlimited number stations within 76-108 MHz for your quick and easy access next time. You can adjust the 0-15 levels volumes to meet your most comfortable listening. Adopting auto-off function allows you to set 5 to 90 minutes sleep timer and it will turn off automatically after the specified timer.

MULTI-FUNCTION WALL CLOCK: The Retro Kitchen Wall Clock from Lily's Home features a built-in thermometer and 60-minute timer making it the ultimate addition to any kitchen! While the clock itself has been designed with quartz movement and guarantees accurate timekeeping.

EASY TO READ: The clock features large font, black digits, and the matching black hands are easy to read against the off-white dial. Minute and hour hands clearly display the current time!

BATTERY POWERED AND EASY TO MOUNT: The Retro Kitchen Wall Clock is battery powered and does not consist of any cords for charges. 1 AA battery is required but is not included. Easily mount to any wall with a single nail or screw.

Led screen with large digits display - Soobest digital wall clock has a 11.5 inches large led screen display with 3 inches eye-catching number display, there is no doubt that you can see it from any angle or at any indoor-distance, and the digit size is also big enough to recognize. Besides, you could check date & year on the screen, no worries about missing important appointment.

Wall clock with seconds display - Soobest wall clock's large led wall clock could display seconds on its screen. Seconds display is definitely a useful detail for a digital clock. It could help you set time with a better accuracy without missing dozens of seconds. What’s more, you could arrange your body-shaping plan with this seconds display as a gym timer.

Different brightness dimmer - 5 levels adjustable dimmer, no matter the environment is too bright or too dark you can still see the time by adjusting the brightness with 1 button. If you want to have a good sleep, just set the lowest brightness before going to bed, or turn to the most shining level while your room has sufficient lighting.

✨【Multifuctional Night Light Bluetooth Speaker】The APUZOM bluetooth alarm clock speaker combines all features you want - bluetooth speaker, touch bedside lamp, alarm clock, sound machine, mp3 player and sleep timer into one; Versatile and compact, this bluetooth speaker with lights and clock combo is useful in a wide variety of settings and situations; Its modern design and multifunctionality makes it a perfect addition to any nightstand or table

👧👦【User Friendly Bedside Lamps with Bluetooth Speaker】 We collected customers feedback and optimzed the UI and improved the operation program of the nightlight bluetooth speaker accordingly. You needn't to be an expert to figure out the setup of an alarm clock! Everything can be adjusted on the simple control panel, going from white to colors with a tap on the top of the speaker-no app nor remote control needed. No more fumbling for your mobile phone or remote while in bed!

⏰【Wake Up Easier and More Pleasant】It can be hard to roll out of bed and get your day started, but an alarm clock with bluetooth speaker can help make it much more easier as it provides a refreshing way to wake up with a pleasant audible alarm with light. You may want an alarm clock with a gentler alarm tone, or one that allows you to wake up to your favorite song. This bluetooth speaker with clock gets you covered thanks to the SD/TF card compatibility

14.17" EXTRA LARGE DISPLAY ----- With large easy to read numbers, large digital clock can be seen at any angle, allows you to view the time clearly from across the living room, office, or classroom.

LARGE DIGITAL WALL CLOCK WITH BACKLIGHT ----- Featuring a built-in ambient light sensor, once it is dark at night, the screen will automatically light up, allows you can see the time at night. User-friendly design, there are 2 levels of adjustable brightness in the dark for your choice. Also, you can turn it off.

BATTERY OPERATED DIGITAL WALL CLOCK ----- This digital clock is powered by 4 AA batteries and 2AA batteries (Included), you can put the clock wherever you like. There are two keyholes for easy wall mounting and a fold-out backstand for tabletop or shelf placement.

Easier to read than printed tide tables. Attractive and Useful.

Re-introducing 1971's Classic design.

Free standing or wall mount. 6x6x1/2 inch acrylic.

⏰【Large Led Mirror Surface Display & Power Off Memory Funtion & USB Charging Port 】Digital alarm clock with large LED mirror display is very easy to read the time, stylish and beautiful, and can be used as a mirror. The built-in CR2032 battery keeps the time and alarm settings unchanged in case of power failure. In addition, there is a 5V/1A USB charging port on the right side of the led digital clock to safely charge your electronic devices, which is very practical and convenient.

⏰【8 Modes Night Lights & RGB Dynamic Colors 】This night light alarm clock has 5 solid color lights (blue, pink, yellow, white, red) and 3 smooth and colorful ambient lights. Under the RGB colorful dynamic lighting effect, it can realize the visual effect of flowing light and color, and create a romantic and soothing atmosphere. You can choose your favorite light mode as night light/bedside lamp/reading light/mood light, with 10 adjustable brightness settings.

⏰【Dual Alarms & Snooze Supported】Built-in dual alarms, with three alarm time modes, you can set the daily mode/weekday mode /weekend mode for the corresponding alarm. In addition, the led desk clock is designed with a big snooze button on the top, which can help you easily turn off the alarm without opening your eyes, and get an extra 9 mins of sleep time (unlimited snooze times). And if there is no operation within 20 mins when the alarm sounds, the alarm will automatically turn off.

PERFECT ADDITION TO YOUR CHILD’S ROOM--The green light is a simple visual indicator that informs children when it's time to get up, instead of them waking up the whole family way too early!

BETTER SLEEP FOR THE WHOLE FAMILY--Children quickly learn to go back to sleep or play quietly in their room until "green means go!"

FUNCTIONAL CLOCK-- Features a convenient nap timer and alarm clock with snooze for different functions.

2 IN 1 ALARM CLOCK & WHITE NOISE MACHINE: This clock doubles as a Digital FM Clock Radio as well as a White Noise Sound Machine. Choose to wake up from your favorite radio station, peaceful nature sounds or a beep tone. Set two different alarms for you and your partner!

LED TIME PROJECTION: This Clock Radio projects the time in a soothing blue light. It features a swivel projector that can tilt to your desired level. Don’t want the LED light projector? No problem! You can choose to turn the projector on/off.

8 PEACEFUL NATURE SOUNDS: Choose from 8 digitally recorded relaxing sounds: Ocean, White Noise, Brook, Rainforest, Thunder, Rain, Fan, Campfire. The SoundSpa's sounds are designed to mimic the natural environment to provide the most relaxing sleep experience possible

[180° Projection Alarm Clock Auto-off Setting] The 180° rotary projector ensures clear time display with 4 brightness. The focusing knob allows 0.5-5m projection distance from wall ceiling. Long press the “Project” button to flip projection view upside down. The projection will automatically turn off after turning off the alarm in AUTO mode ( long press "-”)

[2-Color Clear Display 4-level Brightness] Large VA display protects your eyes from too bright clock light and ensures clear time displaying with 4 levels of brightness. The Blue and White number display of the alarm clock ensures easy-reading far across the bedroom for kids and the elderly. 12 or 24hr switch

[15 FM Radios with Sleep Timer] Liorque alarm clock radio allows to turn on 15 FM radio stations (76.0MHz-108.0MHz) with 15 level volume adjustable. You can listen to music, news, talk shows, weatories shows, etc. The sleep timer funher, traffic, sports, stction allows you to fall asleep with the radio within 90 minutes (custom). Radio will automatically turn off after the specified time

Project Time on Wall or Ceiling with Auto focus and Rotatable direction (90 degrees)

Projection brightness settings (adjustable to 4 levels)

Quick set Nap Timer and Alarm with adjustable snooze duration

Digital Wall Clock with Touchable - The perfect combination of alarm clock and wall clock, Touch sensor design, The digital alarm clock is packed with a ton of different capabilities including calendar, temperature, humidity, double alarm, snooze and Backlight function.USB charging port,(so you can charge your phone and other electronic devices while you snooze.)2 different alarms and 4 adjustable diming.This alarm clock can display the date and the day of the week,easy-to-read LCD display.Help you create the most comfortable indoor environment.

Digital Alarm Clock with 4 levels Backlight - Options for adjusting the brightness for those that are sensitive to light while sleeping.If you prefer to sleep in the dark, you can adjust this alarm clock's display to a minimum. 1%-30%-60%-100%, (It can only be adjusted in the plugged-in state, and under the battery conditions can only adjust 0%-80%).Touchable Adjustable dimming and brightness options allow you to find your own ideal display settings.

Wall Clocks Battery Operated - Once you insert three AA batteries(Not included)/ DC 5V USB cable (included)This digital Clock is very easy to set,with 5 minutes snooze has been designed with absolute simplicity in mind, 12 or 24 Hours display formats; temperature display in Celsius or Fahrenheit; 12 month replacement Warranty.

⏰𝐔𝐥𝐭𝐫𝐚-𝐂𝐥𝐞𝐚𝐫 & 𝐅𝐮𝐧𝐧𝐲 𝐓𝐢𝐦𝐞 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐢𝐨𝐧 - The Mirror LED display alarm clock with 180° swivel projector projects clear time onto your wall or ceiling for optimal viewing. The projection clock guarantees ultra-clear and large time display (Projection distance: 1.6-9.8ft (0.5-3m)) without checking your phone. Ideal for kids and adults to get the perfect display in the bedroom! Note: Press the “PROJECTION ON/FILP/OFF” button can flip projection view upside down 180°.

⏰𝐑𝐚𝐝𝐢𝐨 & 𝐒𝐥𝐞𝐞𝐩 𝐓𝐢𝐦𝐞𝐫– SHANLONYI projection alarm clock radio have AM FM Radio, let you to know real-time news immediately(FM: 87.5-108.0MHz AM:520-1710KHz). And the digital time projection clock can be set a wake up to weather forecasts, music, sports, or a buzzer with a store of 10 AM stations and 10 FM stations. The sleep timer function allows you to fall asleep to the radio within 90 minutes( 0-90mins). Radio will automatically turn off after the specified time.

⏰𝟕”𝐌𝐢𝐫𝐫𝐨𝐫 𝐋𝐞𝐝 𝐒𝐜𝐫𝐞𝐞𝐧 & 𝟑-𝐋𝐞𝐯𝐞𝐥 𝐃𝐢𝐦𝐦𝐞𝐫 - The 7”mirror LED display screen of clocks has 3 level dimmer. Free choice of low, medium and bright grade lighting, that helps you quickly identify time and makes your eyes comfortable. perfect gift for kids and seniors.

【16.5" Extra Large Digital Wall Clock with Big Digits】 TXL digital wall clock uses a 16.5 inch high-definition large LED screen, which shows the day, date, time and temperature that can be clearly seen across the room. It is an excellent wall-mounted digital clock for seniors and the elderly who has poor eyesight.

【Easy to Read Day or Night】The large digital clock not only offer an auto-brightness mode, but also 4-level adjustable brightness with the remote control, which can meet your demands of the changing requirement in different environments. Even more importantly, the display can be turned off.

【Easy Operation with Remote Control】There are two set up modes of the LED wall clock, remote control or button conctrol. The remote with 32 feet effective distance makes it easy to set the date, time and using the timer function, saving you the hassle of taking the clock off the wall or moving anywhere!

Smart Clock with Switchable Time: Transform your everyday routine with Kadams LED digital clock. The large 10 inch clock has a curved screen and displays time in 12/24 hours format. The minimal smart clock with temperature and calendar display is perfect both as a bedside clock and as a wall hanging clock

Night Display with Adjustable Brightness: The smart clock comes with a sharp and clear blue LED night display with adjustable brightness i.e. low/medium/high. Its large screen displays numbers and alphabets in high resolution that are easily readable from a distance and by people with poor eyesight

Indoor Temperature & Calendar Display: Keep track of your surrounding temperature with the smart clock that has an in-built thermometer with switchable C/F modes with range 10°C to 50°C and 14°F to 122°F. The clock also features a calendar display with month and date display, switchable between mm/dd/yyyy format and a day display in 3 characters

Time Management Clock with LCD Touch Display: Keep ahead of your daily schedule while saving water, energy and money with Kadams humidity, moisture, and water resistant shower clock. Its easy-to-read green colour LCD display aids better vision and wide viewing angles

Water Resistant Countdown Timer: The shower timer comes with IP 24 rating for water and spray resistance making it ideal for bathroom, kitchen, home and office spaces. The clock also functions as a countdown timer alarm up to 99 mins and also displays time in 12/24 format including AM/PM

Temperature Thermometer & Humidity Hygrometer Display: The clock has a switchable C/F temperature display with 0°C-50°C and 32°F-122° range and humidity display with 20% - 95% range. The smart features of this countdown clock timer combined with its minimal design make it perfect for both humid and non-humid places like bathroom, kitchen, living room, bedroom, and WFH

ULTRA EASY SETUP: To set the timer on our waterproof clock, simply use the touch-sensitive buttons on the front, You can add time to the waterproof timer for shower in one (1) minute intervals or by ten (10) minute increments, Our shower clocks will beep at the end of the countdown.

GREAT FOR KITCHEN OR BATHROOM: With an IP24 splash-proof rating, our water proof shower clock was carefully built to handle water spray with ease, plus our small digital clock won't fog up or get moisture droplets inside of its casing, you can confidently use it in the kitchen or the shower to keep track of time and save water.

SO MUCH INFO ALL AT A SINGLE GLANCE: With a vivid, vibrant, crisp, and clear LCD display, our small clock shows the time and the indoor temperature and humidity, all on one easy to read screen, additionally, you can set up our shower waterproof clock to either 12-hour or military-time mode and Fahrenheit or Celsius for temperature.

【5'' Large Display & Light Dimmer】Sleek and compact with a dynamic 5-inch LED screen and large numerals (1.5 inch-tall), this projection alarm clock is a perfect match for places including nightstands, dressers, and counters. Choose a desired screen brightness from a total of 4 options (High - Medium - Low - Off) based on your comfort level. It is the best gift for the family, children, friends.

【360° Flexible Projection】The all-new adjustable projector can swivel back and forth for 180° to project time on the wall/ceiling. Best of all, hold and press the “Project” button and you can flip the projection by 90° per time for unparalleled readability. Three options for projection brightness (Low - High - Off) are available.

【FM Radio with Sleep Timer】Built in with FM radio, you can search your favorite frequency (87.5 MHz to 108.0 MHz), save it as your preset broadcast station, and fall asleep to the radio via the sleep timer (max. 90 minutes).

Large LED Display Digital Wall Clock - Zgrmbo digital clock has a 16.2-inch large screen display, 4.25-inch contrast clear jumbo digits make it much easier to view and read even from a great distance and from all angles. A rich display wall-mounted digital clock with time, date, indoor temp, week, ideal for Gym/Shop/Warehouse/Garage/Office.

HANDY REMOTE CONTROL - A Clock This Big Deserves its Own Controller! Adjust LED Brightness, Set Time, Set Alarm, or Set Timer. Note: If you can't find the remote control and USB cable, be sure to open the other end of the box to check.

Convenient in Every Detail - Come with a universal DC 5V/2A Power Adapter, which saves more space than the "wall wart" style adapter and can even be used for mobile device. Come with an 11.5ft Long Power Cord, it is convenient for the clock to be wall-mounted in any required position. Hidden Coiled Cord Design, no need to worry about the power cord being too long.

【Gentle Alarm Clock with Sunrise Simulation】Instead of being jolted from sleep by a startling alarm, this rising sun shaped sunrise alarm clock gradually simulates the sunrise to wake you gradually with a natural and pleasant brightness over 5-60 minutes before your alarm time. The wake up light also offers a choice of 6 alarm sounds, as well as touch control to adjust lighting and snooze function. With APUZOM light alarm clock, you'll have no trouble starting your day off right

【Sleep Aid with 10 Soothing Sounds】Personalize your sleeping routine by adjusting the light mode and intensity, as well as soothing sounds(winds, rainfall, light music, waterflow, lullabies), gently helping you to wind down before falling asleep. A large easy-to-read digital display can be dimmable or turn off completely so the sunlight alarm clock doesn’t light up your bedroom when you are trying to sleep, and show either a 12 or 24-hour clock, as well as what day of the week it is

【Touch Control Multicolor Night Light】Illuminate your space with a touch of soft and warm glow with the wake up light sunrise alarm clock. The color-select function allows you to automatically cycle through seven different light colors or choose your favorite from white, red, yellow, green, blue, indigo and purple LED colors to fit any decor, occasion or mood with just the click of a button. Five brightness are available to customize the light to meet your needs

【6-inch Red LED Number with 3 Level Adjustable Brightness】2022 new hardware & new design with 3-level adjustable brightness. Updated NEW 170 SMD LED lights will maintain brightness even used 24/7 for years. The bright, bold, vivid-Red LED 6 inches single digital Wall Clock with large display are easy to read from across the room. Great viewing Experience in classroom, Conference, library, meeting room, church, Warehouse, Lobby, and production facility.

【Smart control】32-bit microprocessor. Using Wi-Fi to realize wireless control via web browser, your smart phone or PC. Friendly user interface makes setup and control much easier. You can still use the easy-to-use infrared Remote Control to set up and control your clock.

【Pre-program Countdowns / Timers / Alarms /DST】Pre-program your desired countdowns and save it to relative button. You can run countdowns in seconds, minutes and hours. Just press one button to cycle the countdowns. Three modes of countdowns and timers and more. No need to worry about changing your wall clock for DST. The wall clock automatically adjusts to Daylight Saving Time.