Not if you're using GPS, or the Global Positioning System, a constellation of satellites run by the military that provides nearly exact location information for boats, planes, trucks, people, and anything else that can hold a receiver.

GPS, designed to keep track of only 1,024 weeks, has been operating for -- you guessed it -- 1,024 weeks.

Like the Y2K bug, which threatens to set back computers to the year 1900 on January 1, 2000, the so-called GPS "end-of-week rollover" glitch resets older receivers to the beginning of the 1,024 week cycle -- January 5, 1980 -- on Saturday.

That could cause some serious malfunctions of GPS equipment across the world.

The South Korean government has sent out an alert to prevent accident in the air and across the sea.

And Australian authorities are warning travelers to avoid taking small planes or boats in remote areas of the globe because of the GPS glitch.

In the U.S., the Coast Guard is announcing their concerns about the rollover.

The U.S. has also said that older GPS receivers could start malfunctioning even sooner than expected as the Air Force updates the software of the GPS satellites.

And if the rollover issues have only piqued your interest in the Global Positioning System, click to this tutorial made by Trimble Navigation, a maker of GPS receivers.

Magellan also makes GPS receivers.