Daylight Saving Time: The Only Clock You’ll Need

Daylight Saving Time can make waking up the morning after “springing forward” or “falling back” the most confusing times of the year. Fortunately, the Internet is now home to an absurdly accurate clock that can instantly put any confusion to rest. tells you whether your computer clock is fast or slow — down to ±5 millisecond.

Though boasts about being the world’s most accurate web clock, before its latest upgrade, it had been thrown off by as much as 300 milliseconds because of network latency. Now, the site’s accuracy has been significantly improved by using your current location to compensate for the minimum latency of your connection, giving it almost-perfect accuracy.

When I sampled, it told me the clock on my computer was 1.7 seconds slow. It also knew I was in Brooklyn, N.Y. and sent me this helpful alert: “Brooklyn switches to daylight saving time at 02:00 on Sunday, March 11. The time is set one hour forward.”

Advanced users can take advantage of’s calendar, favorite locations and find the time difference between two locations. The clock is truly global — you can adjust the first day of the week (Saturday, Sunday or Monday), the date format and the time format.

Have you seen any other great time-telling resources online? What about mobile apps? Share your go-to clocks in the comments.

BONUS: 5 Ways to Turn Your iPhone Into an Alarm Clock

1. Luckybits BirdBox Alarm Clock

This avian-themed offering will add a touch of whimsy to your bedside table. Once you’ve chosen your BirdBox from the four colors available, and downloaded the free app, you’ve got a sweet (or should that be tweet?) way to wake up in the morning.

The iPhone fits in the box and displays an analogue clock through the hole. You can tap the screen to see the birds inside and wake to the sound of the birds cuckooing — much more pleasant than blaring alarms.

Cost: $11.95

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