digitalclock.now guides & articles

16 in-depth guides on Digital Clock and related topics.

How & why

How & why Why Is Snooze 9 Minutes? The Alarm Clock Mystery The default snooze length is 9 minutes on many alarm clocks. Here are the most commonly cited reasons for that number. 4 min read How & why LED vs LCD Clock Displays: Brightness, Power and Viewing Compare LED vs LCD clock displays for brightness, power consumption, and night use to choose the best clock display type for your needs. 5 min read How & why Why Digital Clocks Blink 12:00 After a Power Cut That blinking 12:00 is a universal signal that the clock lost power and needs the time set again. Here is why it happens and what you can do. 3 min read How & why History of the Digital Clock: Flip Clocks to LEDs The history of digital clocks spans mechanical flip clocks, the Hamilton Pulsar, and quartz-driven LED/LCD displays. 4 min read How & why 12 Hour vs 24 Hour Display: Which Should Your Clock Show? How the 12-hour and 24-hour formats actually read on screen, where each one goes wrong, and which to choose for a kitchen, a classroom or a control room. 5 min read How & why Clock Accessibility: Contrast, Colour and Readable Digits What actually makes a clock readable for everyone: contrast ratios, colour choices that survive colour blindness, size against viewing distance, and less movement. 6 min read How & why Digital Clock Fonts and the Seven Segment Display Seven bars, ten digits, and a few ambiguities. How segment displays draw numbers, what fonts imitate them, and why numeral width decides whether a clock sits still. 6 min read How & why Digital vs Analog Clock: Which Is Easier to Read? Digits give you the exact time faster; a dial shows you how much time is left. A practical comparison of the two readouts and what each is genuinely better at. 5 min read How & why Red Light Bedside Clocks and Sleep: What Actually Helps Red and dim is the standard advice for a bedside clock. Here is the reasoning behind it, why brightness matters more than colour, and when to hide the time entirely. 5 min read

Setup guides

Setup guides Turn an Old Phone or Tablet Into a Bedside Clock A straightforward guide to repurposing an old phone or tablet into a dim, always-on bedside clock. 3 min read Setup guides Will an Online Alarm Clock Ring if My Laptop Sleeps? A browser alarm only rings while your laptop is awake and the tab is open. Here is what you need to know. 4 min read Setup guides Classroom Clock Displays: Sizing, Contrast and Countdowns How to put a clock on a classroom display that the back row can actually read, with sizing, contrast, the seconds question and pairing the time with a countdown. 6 min read Setup guides Clock Overlay for Streaming: Adding the Time to Your Scene How to put the time on a stream: a browser source in OBS Studio, a transparent background, sensible placement, and digits that survive video compression. 5 min read Setup guides How to Put a Fullscreen Digital Clock on Your Desktop Turn a spare monitor, old laptop or tablet into a large, readable time display with a fullscreen digital clock, and keep it lit and legible all day. 6 min read Setup guides How to Keep Display Awake While a Clock Is Showing Every platform's route to stopping the screen sleeping, what the browser's wake lock can and cannot do, and when leaving a panel lit is a bad idea. 6 min read Setup guides Using a Clock Screensaver on an Idle Screen A browser clock makes a better idle display than drifting photographs. How to set one up, avoid burn-in, dim it for the room and stop the machine sleeping. 5 min read