🔌 Plugs
Yes. You'll need a European (type C/E/F) adapter. The voltage (230V) is close to the UK's 230V, so UK appliances work with just a plug adapter.
🕒 Time
Cologne is 1 hour ahead of the UK all year.
💶 Money
Cologne uses the Euro (EUR). Round up or add 5–10%, and tell the server the total you want to pay rather than leaving it on the table.
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Related questions
Common questions
Do I need a plug adapter for Cologne?
Yes. You'll need a European (type C/E/F) adapter.
What is the time difference between the UK and Cologne?
Cologne is 1 hour ahead of the UK all year.
What currency is used in Cologne?
The Euro (EUR).
For passports, visas, entry requirements, health and safety advice, always check GOV.UK foreign travel advice before you travel.