North Korea has moved up the launch window for a rocket by one day, the South Korean Defense Ministry said Saturday. The new window, which was also narrowed, is February 7-14; the old window was February 8-25. The areas where debris would fall remain unchanged.

The announcement comes just days after the reclusive country's initial launch plans came to light, which drew condemnation from South Korea and Japan.

Though North Korea says it's putting a satellite into orbit, the launch is viewed by others as a front for a ballistic missile test.

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