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TripUtility

Data Sources and Updates

We name every source and label data as live, estimated, reference or official link.

DataSourceUpdatesLicense / terms
Time zones and daylight saving timeIANA time zone database, built into your browserWith your browser and operating system updatesPublic domain
Weather and forecastsOpen-MeteoLive, through this site's server (cached up to 10 minutes); the dashboard refreshes every 15 minutesCC BY 4.0 data; commercial use needs an Open-Meteo API subscription
Exchange ratesFrankfurter (European Central Bank reference rates)Once per working day, around 16:00 CET; this site stores them dailyFree, open-source service; ECB data
Public holidaysdate-holidaysWhen the site is rebuilt with a newer versionISC (code), CC BY 3.0 (data)
AirportsOurAirports and mwgg/Airports (time zones)When the site owner reruns npm run data:airportsPublic domain (OurAirports); MIT (mwgg/Airports)
Cities and countriescity-timezones, countries-list, countries-and-timezonesWhen the site is rebuiltMIT
Official entry and advice linksGovernment websites (curated list)Addresses last reviewed 21 October 2026Links only

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