You may have heard that Daylight Saving Time started over the weekend in the United States. Several countries observe Daylight Saving Time, and not everyone does it at the same time.

Something strange is happening to the clocks in Europe. Since mid-January, some of the clocks from Denmark to Turkey have been losing up to six minutes in time. What's causing this phenomenon?

When you use your phone as your alarm clock, you might think that you want to wake up to your favourite song. You do not. The first couple of days you'll enjoy it, but then the effect will reverse itself. It won't be "I wake up to my favourite song", it will be "sometimes iTunes plays my alarm". Every time your old favourite song comes on, you'll feel antsy or anxious.

Tomorrow morning (April 1), Daylight Savings ends in NSW, Victoria, South Australia, Tasmania and the ACT. For some reason, the obligatory clock readjustment tends to flummox otherwise intelligent people. Do you move the clock forward or backwards?? If you suffer from this embarrassing annual brain fart, here's an old adage that will help you to permanently remember.

Video: The most dangerous object in your home isn't the stove, the clothes iron, or that chainsaw in your garage. It's your alarm clock's snooze button that makes it so easy to go back to bed each morning. Silencing that alarm shouldn't be so easy, so Christopher Guichet built an alarm clock that can only be deactivated with a perfect shot from a Nerf blaster.

Making an internet-connected clock is a lot harder than you'd think, but over on DIY Engineering, you'll find a three-part guide to build one for yourself.

Your phone is probably the smartest alarm clock you've ever owned, but if you're looking for a project that's a little more playful, Nick Triantafillou shares a smart alarm clock on Hackster.io that integrates Alexa, If This Then That, and more.

On April 3, Daylight Savings comes to an end in NSW, Victoria, South Australia, Tasmania and the ACT. For some reason, the obligatory clock readjustment tends to flummox otherwise intelligent people. Do you move the clock forward or backwards?? If you suffer from this embarrassing annual brain fart, here's an old adage that will help you to permanently remember.

Google has pulled another app out of its OS install and made it available via Google Play.

Sleep is serious business, and you'll find a lot of different ways to improve it with tracking gadgets or special alarm clocks. Instructables user derwassi wanted to combine a bunch of these ideas into one and built a sunrise alarm clock that also tracks your sleep.

iPhone: At first glance, Climate Clock looks like any other clock app for the iPhone, but it integrates a weather app in a creative way: by putting the hourly temperature and forecast right on the hour indicator, so you can see what the weather will be like at any point during the day just by looking at the current time.

Australia gave up years ago on the prehistoric systems of gallons, miles and pounds. But like the rest of the world, we cling like apes to hours, minutes and seconds. What fundamental law of the universe says we must divide our days into 24 equal parts? And then why must we divide these parts by 60 and then 60 again?

In an attempt to reuse the guts of his broken DVD player, DIYer Dmitry was able to put together a feature-filled, motion-sensing, remote-controlled desk clock from salvaged DVD parts and an Arduino.

Android: We've discussed many timers for Android, but Ovo Timer caught our eye because it's simple to use, visually impressive and completely free.

Daylight saving ends in the majority of Australian states on Sunday April 1. At 3:00am, clocks will go back to 2:00am (and we'll enjoy an extra hour's sleep and the fact that flying to Queensland will be less onerous). Make sure you're prepared with this quick checklist.

Webapp Time.is compares your computer's clock to an atomic clock (the "most accurate time source in the world") to let you know how accurate your clock is.

The money-shredding alarm clock was a controversial idea, in part because shredding physical cash is technically illegal. The SnūzNLūz is a high-tech take on the same idea -- if you hit the snooze button, money is automatically extracted from your bank account and given as a donation to an organisation you despise.

Worldtime Buddy is a webapp that not only displays the local time for multiple cities at once, but makes scheduling meetings worldwide easy by supplying a URL to a page showing how the meeting time will change across time zones.

Chrome: Timer Tab is a free extension for Google Chrome that combines the functions of a countdown timer, alarm clock, and stopwatch, and has the ability to notify the user when an alarm goes off.