Three numbers. The ones that decide the meeting.
When the world meets at work.
Read the day in both zones.
If it's this in Dallas, it's that in Hagåtña.
When it's 8:00 am in Dallas, it's 11:00 pm in Hagåtña — night there, the same day.
When it's 10:00 am in Dallas, it's 1:00 am in Hagåtña — late night there, the next day.
When it's 12:00 pm in Dallas, it's 3:00 am in Hagåtña — late night there, the next day.
When it's 3:00 pm in Dallas, it's 6:00 am in Hagåtña — morning there, the next day.
When it's 5:00 pm in Dallas, it's 8:00 am in Hagåtña — morning there, the next day.
When it's 9:00 pm in Dallas, it's 12:00 pm in Hagåtña — midday there, the next day.
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 Dallas and Hagåtña?
Dallas is 15 hours ahead of Hagåtña. Dallas runs on GMT-5 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 it's 10 am in Dallas, what time is it in Hagåtña?
10:00 am in Dallas is 1:00 am in Hagåtña the next day — late night there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When it's 3 pm in Dallas, what time is it in Hagåtña?
3:00 pm in Dallas is 6:00 am in Hagåtña the next day — morning there. The same shift applies to any hour; the quick-conversion cards and the 24-hour table above cover the full day.
When's the best time to schedule a meeting?
Standard 09:00–17:00 workdays don't intersect. Most teams compromise with one side meeting early (before 09:00) or late (after 17:00).
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 Dallas from Hagåtña?
About 11,706 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 14h 16m, 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 Dallas 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 Dallas 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 Dallas and Hagåtña?
Both United States and Guam count English among their official languages, so business meetings often skip translation. Dallas also has no other official tongue; Hagåtña adds Chamorro, Spanish.
Do Dallas and Hagåtña drive on the same side of the road?
Yes — both drive on the right. Rental cars feel identical between the two.