| Data | Source | Updates | License / terms |
|---|---|---|---|
| Time zones and daylight saving time | IANA time zone database, built into your browser | With your browser and operating system updates | Public domain |
| Weather and forecasts | Open-Meteo | Live, through this site's server (cached up to 10 minutes); the dashboard refreshes every 15 minutes | CC BY 4.0 data; commercial use needs an Open-Meteo API subscription |
| Exchange rates | Frankfurter (European Central Bank reference rates) | Once per working day, around 16:00 CET; this site stores them daily | Free, open-source service; ECB data |
| Public holidays | date-holidays | When the site is rebuilt with a newer version | ISC (code), CC BY 3.0 (data) |
| Airports | OurAirports and mwgg/Airports (time zones) | When the site owner reruns npm run data:airports | Public domain (OurAirports); MIT (mwgg/Airports) |
| Cities and countries | city-timezones, countries-list, countries-and-timezones | When the site is rebuilt | MIT |
| Official entry and advice links | Government websites (curated list) | Addresses last reviewed 21 October 2026 | Links only |
What we don't provide
- Live flight status, gates or delays: use your airline or airport.
- Personalized visa decisions: only governments can confirm your eligibility.
- Our own safety ratings: we link to official government travel advice.
- Severe-weather warnings: check the destination's national weather service.
Found something out of date? Please tell us.