The short answer
11pm in Mountain Daylight Time is 12pm in Hanoi on the next day.
Mountain Daylight Time is 13 hours behind Hanoi. It falls outside the 9-to-5 in Mountain Daylight Time but lands inside working hours in Hanoi.
Mountain Daylight Time☾
11pm
Hanoi☀
12pm
next day
Right now
10:47pmMDT · UTC-06:00 · Sun, Aug 23
11:47am+07:00 · UTC+07:00 · Mon, Aug 24
Read across to convert
Mountain Daylight Time
MDT · UTC-06:00
Hanoi
+07:00 · UTC+07:00
Pinned11pmMountain Daylight Time=12pmHanoi · Mon (next day)
12amSun
1pm
WORK1am
2pm
WORK2am
3pm
WORK3am
4pm
WORK4am
5pm
5am
6pm
6am
7pm
7am
8pm
8am
9pm
9am
WORK10pm
10am
WORK11pm
11am
WORK12amMon ·+1d
12pm
WORK1amMon ·+1d
1pm
WORK2amMon ·+1d
2pm
WORK3amMon ·+1d
3pm
WORK4amMon ·+1d
4pm
WORK5amMon ·+1d
5pm
6amMon ·+1d
6pm
7amMon ·+1d
7pm
8amMon ·+1d
8pm
9amMon ·+1d
WORK9pm
10amMon ·+1d
WORKNOW
10pm
11amMon ·+1d
WORKPINNED
11pm
12pmMon ·+1d
WORKdaylightnightworking hoursoverlap
Best time to meet=
Closest workable window
Just outside the working window — early on one side, late on the other.
Mountain Daylight Time
6pm–7pm
Hanoi
7am–8am
next day
Popular conversions
Quick reference.
9amMountain Daylight Time=10pmHanoi
12pmMountain Daylight Time=1amHanoi · next day
3pmMountain Daylight Time=4amHanoi · next day
5pmMountain Daylight Time=6amHanoi · next day
9pmMountain Daylight Time=10amHanoi · next day
In context
What each side covers.
Mountain Daylight Time
10:47pmMDT · UTC-06:00
Cities on this clock
Hanoi
11:47am+07:00 · UTC+07:00
Cities on this clock
Related converters
Other popular pairs.
Pacific Time
9:47pm
India Standard Time
10:17am
Pacific Time to India12 hours 30 minutes behind
Eastern Daylight Time
12:47am
Central European Time
6:47am
Eastern Time to Central Europe6 hours behind
India Standard Time
10:17am
Eastern Daylight Time
12:47am
India to Eastern Time9 hours 30 minutes ahead
British Summer Time
5:47am
India Standard Time
10:17am
London to India4 hours 30 minutes behind
Pacific Daylight Time
9:47pm
Eastern Daylight Time
12:47am
Pacific to Eastern Time3 hours behind
Central European Time
6:47am
India Standard Time
10:17am
Central Europe to India3 hours 30 minutes behind
Frequently asked
Quick answers about converting between Mountain Daylight Time and Hanoi. Can't find what you need? Email [email protected].
- What is the time difference between Mountain Daylight Time and Hanoi?
- Mountain Daylight Time is 13 hours behind Hanoi right now. We always show the live, daylight-saving-correct difference, so this figure already accounts for whichever side is observing summer time today.
- When it's 11pm in Mountain Daylight Time, what time is it in Hanoi?
- 11pm in Mountain Daylight Time is 12pm in Hanoi on the next day. It falls outside the 9-to-5 in Mountain Daylight Time but lands inside working hours in Hanoi. Use the hour-by-hour table above to read any other time across.
- What's the best time for a call between Mountain Daylight Time and Hanoi?
- There's no comfortable 9-to-5 overlap between Mountain Daylight Time and Hanoi — they sit on opposite sides of the planet's working day. Plan for an early or late call on one side, or hand work off asynchronously.
- Does this account for daylight saving time?
- Yes. We track every clock change in both places, so the abbreviations you see — MDT and +07:00 — are the ones actually in effect right now, not a fixed all-year value. When either side changes its clocks, this page updates automatically.
- Why is the date sometimes different on each side?
- When two places are far enough apart, the same moment can fall on different calendar days. That is why some conversions are marked "previous day" or "next day" — it is the same instant in time, read off two clocks that crossed midnight at different points.