Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Honolulu uses the USD ($) and Darwin uses the AUD ($). Conversations can stay in English, which is official in both countries. Be careful behind the wheel: Honolulu drives on the right, Darwin on the left.
- Country
- United States
- Capital
- Washington, D.C.
- Currency
- United States dollar (USD · $)
- Language
- English
- Calling code
- +1
- Drives on
- Right
- Country
- Australia
- Capital
- Canberra
- Currency
- Australian dollar (AUD · $)
- Language
- English
- Calling code
- +61
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between Honolulu and Darwin?
Honolulu is 19.5 hours ahead of Darwin. Honolulu runs on GMT-10 and Darwin on GMT+9:30. The gap can shift by an hour when either side enters or leaves daylight saving — the live clocks above always reflect the current offset.
When's the best time to schedule a meeting?
There are 3 hours where both cities are inside a 09:00–17:00 workday. Aim for the middle of that window so neither side is starting or closing out.
Does daylight saving time change the difference?
Yes, if either city observes DST. When one side shifts and the other doesn't, the gap changes by one hour. The DST badges under each clock show whether each zone is currently shifted and when the next transition lands.
How far is Honolulu from Darwin?
About 8,638 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 10h 40m, not counting airport time, winds, or routing around restricted airspace.
Can I send this meeting time as a calendar invite?
Yes. Pick a time on the slider above, open the meeting card, customize the title and duration, then download the .ics file. It imports cleanly into Google Calendar, Outlook, and Apple Calendar with the correct timezone attached.
What currency do Honolulu and Darwin use?
Honolulu uses the United States dollar (USD, $); Darwin uses the Australian dollar (AUD, $). Check the live rate before transferring money or paying with a card abroad — most banks add a 1–3 % FX margin on top of the mid-market rate.
How do I call Honolulu from Darwin?
Dial the international prefix used by your carrier (often 00), then +1, then the local number — drop any leading zero of the city or mobile code. For free calls, WhatsApp, Signal, and FaceTime work over Wi-Fi regardless of country code.
What language is spoken in Honolulu and Darwin?
Both United States and Australia count English among their official languages, so business meetings often skip translation. Honolulu also has no other official tongue; Darwin adds no other official tongue.
Do Honolulu and Darwin drive on the same side of the road?
No. United States drives on the right, Australia on the left. If you're renting, expect a learning curve on the first day — especially at roundabouts and when judging the centre of the lane.