D-dayUtility
Visa D-Day
비자 D-day 계산기 · Days left on your visa, with renewal reminders.
Most stay extensions can be filed from ~4 months before expiry via HiKorea. Reserve a visit early — slots fill fast.
When you can apply to extend and the exact steps depend on your visa type. Confirm details with HiKorea or the 1345 immigration center.
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