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 Surabaya uses the IDR (Rp). Language shifts too — English in Honolulu, Indonesian in Surabaya. Be careful behind the wheel: Honolulu drives on the right, Surabaya on the left.
- Country
- United States
- Capital
- Washington, D.C.
- Currency
- United States dollar (USD · $)
- Language
- English
- Calling code
- +1
- Drives on
- Right
- Country
- Indonesia
- Capital
- Jakarta
- Currency
- Indonesian rupiah (IDR · Rp)
- Language
- Indonesian
- Calling code
- +62
- Drives on
- Left
Quick answers. Before you book the call.
What's the time difference between Honolulu and Surabaya?
Honolulu is 17 hours ahead of Surabaya. Honolulu runs on GMT-10 and Surabaya on GMT+7. 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 1 hour 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 Surabaya?
About 10,237 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 12h 33m, 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 Surabaya use?
Honolulu uses the United States dollar (USD, $); Surabaya uses the Indonesian rupiah (IDR, Rp). 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 Surabaya?
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 Surabaya?
Honolulu primarily speaks English; Surabaya speaks Indonesian. English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do Honolulu and Surabaya drive on the same side of the road?
No. United States drives on the right, Indonesia 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.