Arrival local time calculator
Leave at 14:30 from UTC−5, fly 8 hours to UTC+0, and you land at 03:30 the next day. Enter the departure clock, flight length and both UTC offsets to see the local arrival time and the calendar day it falls on. Free in your browser.
- Free
- Runs in your browser
- No sign-up
- Your data stays on your device
Run — free
Worked example
- Departure time
- 14:30
- Duration minutes
- 480
- Origin utc offset
- -5
- Destination utc offset
- 0
- Duration hours
- 8
- Arrival time
- 03:30
- Arrival local time
- 03:30
- Day offset
- 1
When you leave a city at a known local clock time and fly for a fixed duration into another UTC offset, the landing time on the destination clock is pure arithmetic—not a mystery of airline apps. This arrival local time calculator takes your departure local time, the flight length in minutes or hours, and the numeric UTC offsets of origin and destination, then returns the destination local clock and how many calendar days later (or earlier) you arrive. Invalid clock strings such as twenty-five o’clock or sixty minutes past the hour fail with a clear invalid input error and are not charged.
Inputs: departure clock, duration, and UTC offsets
The engine rejects impossible clocks—hours outside zero through twenty-three, minutes or seconds outside zero through fifty-nine, or free-text that is not a clock—so typos never silently wrap into another day. Origin and destination UTC offsets are hours from Coordinated Universal Time: negative west of Greenwich, positive east, including half-hour zones such as five point five or the string form plus zero five colon thirty. Offsets must lie between minus fourteen and plus fourteen hours, matching the practical span of civil time zones.
Missing duration or missing either offset is invalid input. This product intentionally does not resolve names like America slash New_York; you supply the offset that applies on the travel date so the result stays offline, reproducible, and free of daylight-saving surprises mid-request.
How the arrival time and day change are worked out
Convert the departure local clock into minutes from midnight. Convert each UTC offset into signed minutes. Add the flight duration in minutes.
The governing identity is arrival local minutes equals departure local minutes minus origin offset minutes plus duration plus destination offset minutes. Seconds on the departure clock are accepted for convenience but the arrival is reported to the minute, which matches how travelers read gate screens.
What you can do with it
Single-hop itinerary cards
Trip planners turn departure clock, block time, and two UTC offsets into a destination arrival line with an explicit next-day badge for red-eye flights.
Agency and chatbot helpers
Support bots and agency scripts answer “what time do I land?” from ticket fields when only local departure, duration, and offsets are known.
FAQ
Does this handle daylight saving or IANA zones?
No. You supply fixed UTC offsets for the travel date. For IANA zone conversion of absolute instants, use a dedicated timezone converter.
Is the arrival local time calculator free?
The browser tool runs free on your device.
How do I enter a half-hour time zone such as UTC+5:30?
Type it as 5.5 or as +05:30; both are read as five and a half hours east of UTC. Offsets can run from −14 to +14 hours, negative west of Greenwich and positive east.
What does the next-day or previous-day result mean?
It shows how many calendar days separate departure and arrival under these offsets: 0 means the same day, 1 the next day, and a negative number the previous day, which can happen on long westbound legs.
Can I give the flight length in hours instead of minutes?
Yes. Enter whole minutes, hours with decimals such as 8.5, which are rounded to the nearest minute, or an hours-and-minutes value such as 8:00. Flights of up to seven days are accepted.
Related tools
For developers — API access
Everything on this page is available programmatically. This section is for teams who want to wire it into their own systems; everyone else can just use the tool above.
API endpoint
Prefer to automate it? One authenticated POST creates the task; the result comes back by webhook or a signed link. The same capability also runs here on the web, by email and from Telegram — and soon from our app too.
Call it from your stack
curl -X POST https://api.kit.forhosting.com/travel/arrival-local-time \
-H "Authorization: Bearer $KIT_KEY" \
-H "Content-Type: application/json" \
-d '{"departure_time":"14:30","origin_utc_offset":-5,"destination_utc_offset":1}'const res = await fetch("https://api.kit.forhosting.com/travel/arrival-local-time", {
method: "POST",
headers: {
"Authorization": `Bearer ${process.env.KIT_KEY}`,
"Content-Type": "application/json"
},
body: JSON.stringify({
"departure_time": "14:30",
"origin_utc_offset": -5,
"destination_utc_offset": 1
})
});
const { task_id } = await res.json();import os, requests
res = requests.post(
"https://api.kit.forhosting.com/travel/arrival-local-time",
headers={"Authorization": f"Bearer {os.environ['KIT_KEY']}"},
json={
"departure_time": "14:30",
"origin_utc_offset": -5,
"destination_utc_offset": 1
},
)
task_id = res.json()["task_id"]<?php
$res = file_get_contents("https://api.kit.forhosting.com/travel/arrival-local-time", false, stream_context_create([
"http" => [
"method" => "POST",
"header" => "Authorization: Bearer " . getenv("KIT_KEY") . "\r\nContent-Type: application/json",
"content" => '{"departure_time":"14:30","origin_utc_offset":-5,"destination_utc_offset":1}',
],
]));
$task = json_decode($res, true);body := bytes.NewBufferString(`{"departure_time":"14:30","origin_utc_offset":-5,"destination_utc_offset":1}`)
req, _ := http.NewRequest("POST", "https://api.kit.forhosting.com/travel/arrival-local-time", body)
req.Header.Set("Authorization", "Bearer "+os.Getenv("KIT_KEY"))
req.Header.Set("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)Example request
{
"departure_time": "14:30",
"origin_utc_offset": -5,
"destination_utc_offset": 1
}Example response
{
"task_id": "tsk_a1b2c3d4e5f6a1b2c3d4e5f6",
"type": "travel.arrival_local_time",
"status": "queued",
"_links": {
"result": "/tasks/tsk_…/result"
}
}The API is asynchronous: the call returns a task_id immediately and the result arrives by webhook. Polling is capped at 1 req/s per task.
Pricing
Published price — no tokens, no invented credits. A failed task is never charged.
Errors
| HTTP | Code | Meaning |
|---|---|---|
401 | unauthorized | Missing or invalid API key. |
402 | insufficient_balance | Your balance doesn't cover the task price. |
404 | unknown_type | That task type doesn't exist. |
429 | rate_limited | Too many requests. Use the webhook instead of polling. |
Technical notes
Inputs: departure clock, duration, and UTC offsets
Send departure_time as a twenty-four hour local clock string HH:MM or HH:MM:SS at the origin airport or city. Express flight length with duration_minutes as whole minutes, with duration_hours as hours (fractional values such as eight point five are rounded to the nearest minute), or with duration as an H:MM string such as eight colon zero zero for eight hours. Aliases such as departure_local_time, origin_offset, and dest_offset are accepted so forms and SDK demos can use natural field names without remapping.
How arrival local time and day_offset are computed
That quantity is then folded into a twenty-four hour clock and an integer day_offset: zero means the destination calendar day matches the departure calendar day under this pure offset model, one means the next day, negative values mean the previous day for westbound ultra-long or offset-heavy legs. The response echoes departure_time, duration_minutes, duration_hours, both offsets, arrival_time and arrival_local_time as zero-padded HH:MM, day_offset, a short day_offset_label such as same_day or next_day, the formula string, and method utc_offset_minute_arithmetic. Example: leave at fourteen thirty from UTC minus five, fly eight hours to UTC plus zero, and land at zero three thirty with day_offset one. Duration is capped at seven days of minutes so Worker isolates stay bounded; longer multi-week totals should be split outside this calculator.
API usage, pricing, itineraries, and practical limits
Call the free in-browser arrival local time calculator when planning a single hop, checking a printed e-ticket, or teaching students how civil offsets and elapsed flight time combine. Source inputs follow the same retention rules as other KIT parse items. Keep offsets honest for the travel date if the origin or destination observes daylight saving; the engine will not invent DST transitions for you. Post a JSON body with the required departure clock, a duration field, and both UTC offsets. Use the prepaid API when a travel agency tool, packing list generator, multi-city trip builder, or classroom worksheet needs a stable contract under KIT balance at $0.002 per successful item; validation failures never consume balance after the engine rejects the request. Pair this endpoint with a general timezone converter when you already hold an absolute instant and IANA zone IDs, and use this calculator when your inputs are a local departure clock, a block time, and two numeric offsets—the SEO intent travelers type into search. Authors shipping SDKs can map arrival_time and day_offset directly into itinerary cards that show “lands tomorrow at 03:30 local” without embedding a full zone database on the client.
Integration use cases
Classroom and exam problems
Teachers assign word problems on civil time and elapsed duration; the API returns structured day_offset and HH:MM for automated grading without Date edge cases.
Technical questions
How do I calculate arrival local time from a flight?
Send departure_time (HH:MM), duration_minutes or duration_hours, origin_utc_offset, and destination_utc_offset. The response includes arrival_time and day_offset.
What counts as an invalid time?
Clock strings with hours outside 0–23, minutes or seconds outside 0–59, or a non HH:MM shape fail with invalid_input and are not charged.
What does day_offset mean?
day_offset is how many calendar days to add to the departure date under this offset model: 0 same day, 1 next day, negative for previous-day arrivals.