Airport Time Zone & Flight Time Calculator
Search by city, airport, or IATA code, then calculate the local arrival time with the route duration and time zone rules.
Trip details
Pick the airports first. Countries with more than one time zone need the airport, not just the country name.
Choose a suggestion to sync the country and airport fields.
Search by city name or the three-letter airport code, then adjust below if needed.
Result
Compare the departure-local time with the arrival-local time.
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–UTC-–
–UTC-Calculation basis
The selected airports, departure-local time, flight duration, and IANA time zone rules are used together.
Use airline and airport notices for boarding deadlines, gate changes, delays, and connection buffers.
Airport-specific time zones
Large countries may have several time zones, so the airport choice matters more than the country name.
Daylight-saving changes
The browser Intl API applies the selected date and IANA time zone rules where daylight saving time is used.
Date line changes
Long routes can land on the previous day, same day, or next day in the arrival city.
Airport time planning
Check the local arrival time before you plan the first day
This calculator is for the small but annoying question on an itinerary: “What time will it be there?” Enter the departure airport, arrival airport, local departure time, and scheduled flight duration. The result shows the arrival city’s clock, the date change, and the time zone gap in one place.
What the result is meant to show
Arrival-local time
The main result is the time and date at the arrival airport after the flight duration is added.
Airport and IATA search
IATA means the three-letter airport code used on tickets, such as JFK, LAX, or LHR.
Date change
The result calls out whether the arrival city is still on the same date or has moved to the previous or next day.
Time zone rule
The time zone label is based on the airport’s IANA zone, so seasonal daylight-saving changes are handled by date.
How to use it
- Search for the departure airport by city or IATA code, then choose the matching suggestion.
- Do the same for the arrival airport. If the country has several time zones, do not stop at the country field.
- Enter the departure date and time exactly as the ticket shows them: local time at the departure airport.
- Enter the scheduled flight duration in hours and minutes. For a connection, calculate each leg or include the layover in the total time only when that is what you want to check.
- Calculate and read the arrival-local time, time difference, date change, and rule note together.
How the time is calculated
The tool converts the departure-local date and time to UTC, adds the flight duration, then formats the result in the arrival airport’s IANA time zone. That is different from simply adding a fixed offset, because daylight-saving rules can change by date.
Useful route checks
LAX → LHR
A west-coast U.S. departure often lands in London on the next local day, even when the flight time looks manageable.
JFK → CDG
Good for checking whether a morning arrival in Paris is still the same calendar date on your home clock.
SFO → NRT
A Pacific crossing can shift the calendar forward; check the local date before booking a hotel or pickup.
What to double-check
This calculator does not pull live airline operations. It is a planning calculator, not a flight-status screen.
- Airline schedule changes, boarding cutoffs, gate changes, and delays are not included.
- If a government changes daylight-saving policy, the browser or platform time zone database must be updated before every device reflects it.
- For connecting flights, add each leg separately when you need the local time at the transfer airport.
- Use the ticket and airline app as the final source before travel.
FAQ
Can I use only an IATA code?
Yes. Type a code such as JFK, LAX, LHR, or NRT in the quick search field and choose the suggestion.
Why does the arrival date sometimes move back or forward?
The result combines flight duration with the time zone difference. A long eastbound or westbound route can cross a date boundary.
Does it include daylight saving time?
Yes, for supported airports it uses the browser Intl API with IANA time zone names, so the selected date is part of the calculation.
Does it know about real delays?
No. It does not query live flight status, gate changes, immigration time, or baggage delays.