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.
Currency is one less thing to think about — both run on the United States dollar (USD). Conversations can stay in English, which is official in both countries. Cars drive on the right in both, so rentals feel familiar.
- Country
- United States
- Capital
- Washington, D.C.
- Currency
- United States dollar (USD · $)
- Language
- English
- Calling code
- +1
- Drives on
- Right
- Country
- Guam
- Capital
- Hagåtña
- Currency
- United States dollar (USD · $)
- Language
- Chamorro, English, Spanish
- Calling code
- +1671
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between Honolulu and Hagåtña?
Honolulu is 20 hours ahead of Hagåtña. Honolulu runs on GMT-10 and Hagåtña on GMT+10. 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 4 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 Hagåtña?
About 6,121 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 7h 42m, 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 Hagåtña use?
Both United States and Guam use the United States dollar (USD, $). No exchange needed when moving between the two.
How do I call Honolulu from Hagåtña?
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 Hagåtña?
Both United States and Guam count English among their official languages, so business meetings often skip translation. Honolulu also has no other official tongue; Hagåtña adds Chamorro, Spanish.
Do Honolulu and Hagåtña drive on the same side of the road?
Yes — both drive on the right. Rental cars feel identical between the two.