Philadelphia×Hanoi
When the world meets at work.
Read the day in both zones.
If it's this in Philadelphia, it's that in Hanoi.
When it's 8:00 am in Philadelphia, it's 7:00 pm in Hanoi — evening there, the same day.
When it's 10:00 am in Philadelphia, it's 9:00 pm in Hanoi — night there, the same day.
When it's 12:00 pm in Philadelphia, it's 11:00 pm in Hanoi — night there, the same day.
When it's 3:00 pm in Philadelphia, it's 2:00 am in Hanoi — late night there, the next day.
When it's 5:00 pm in Philadelphia, it's 4:00 am in Hanoi — late night there, the next day.
When it's 9:00 pm in Philadelphia, it's 8:00 am in Hanoi — morning there, the next day.
Crossing the border. Money, language, plugs.
Money changes hands at the border: Philadelphia uses the USD ($) and Hanoi uses the VND (₫). Language shifts too — English in Philadelphia, Vietnamese in Hanoi. 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
- Vietnam
- Capital
- Hanoi
- Currency
- Vietnamese đồng (VND · ₫)
- Language
- Vietnamese
- Calling code
- +84
- Drives on
- Right
Quick answers. Before you book the call.
What's the time difference between Philadelphia and Hanoi?
Philadelphia is 11 hours ahead of Hanoi. Philadelphia runs on GMT-4 and Hanoi 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 it's 10 am in Philadelphia, what time is it in Hanoi?
10:00 am in Philadelphia is 9:00 pm in Hanoi on the same day — 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 Philadelphia, what time is it in Hanoi?
3:00 pm in Philadelphia is 2:00 am in Hanoi 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'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 Philadelphia from Hanoi?
About 13,233 km as the crow flies (great-circle distance). A non-stop commercial flight cruises that in roughly 16h 4m, 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 Philadelphia and Hanoi use?
Philadelphia uses the United States dollar (USD, $); Hanoi uses the Vietnamese đồng (VND, ₫). 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 Philadelphia from Hanoi?
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 Philadelphia and Hanoi?
Philadelphia primarily speaks English; Hanoi speaks Vietnamese. English is widely used in business contexts in major cities of both, but written contracts may need translation.
Do Philadelphia and Hanoi drive on the same side of the road?
Yes — both drive on the right. Rental cars feel identical between the two.