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Time difference: Grafton to Keokuk
GFN (Grafton Airport) → EOK (Keokuk Municipal Airport)
-15h
Keokuk is behind
10d
est. jet-lag recovery, westbound
Reading the clocks
When it's noon in Grafton, it's 9:00 PM in Keokuk. Good for planning calls home or coordinating with people on the other end.
Jet lag outlook
Significant jet lagCrossing 15 time zones westbound — plan roughly 10 days to feel fully adjusted. Shifting your sleep schedule 3 days before departure helps.
Frequently asked questions
What is the time difference between Grafton and Keokuk?
Keokuk is 15 hours behind Grafton.
How bad will my jet lag be?
Crossing 15 time zones westbound typically takes 10 days to fully adjust to. Eastbound trips (traveling against your body clock) tend to feel worse than the same distance westbound.
What is the flight time from GFN to EOK?
The nonstop flight distance is 8,800 miles. See the full distance and flight-time breakdown for exact timing.
What's the best way to book around jet lag?
Overnight eastbound flights that land in the morning let you push through to local bedtime and adjust faster. Call CheapoTrav — our agents know which schedules on this route land at the best local time, plus unpublished phone-only fares.