Hanoi to EST time conversion
EST is 12 hours behind Hanoi.
EST is always UTC-5. Right now most places that use EST are on EDT (UTC-4): EDT is 11 hours behind Hanoi.
Time difference with your location
Hanoi is 7 hours ahead of UTC. Compare with your local time →
Choose a date and time
Choose the local time in Hanoi to convert it to EST on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · Hanoi → EST
This table converts each hour in Hanoi to EST on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| Hanoi | EST | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 12:0012:00 PM -1 day | |
| 01:001:00 AM | 13:001:00 PM -1 day | |
| 02:002:00 AM | 14:002:00 PM -1 day | |
| 03:003:00 AM | 15:003:00 PM -1 day | |
| 04:004:00 AM | 16:004:00 PM -1 day | |
| 05:005:00 AM | 17:005:00 PM -1 day | |
| 06:006:00 AM | 18:006:00 PM -1 day | |
| 07:007:00 AM | 19:007:00 PM -1 day | |
| 08:008:00 AM | 20:008:00 PM -1 day | |
| 09:009:00 AM | 21:009:00 PM -1 day | |
| 10:0010:00 AM | 22:0010:00 PM -1 day | |
| 11:0011:00 AM | 23:0011:00 PM -1 day | |
| 12:0012:00 PM | 00:0012:00 AM | |
| 13:001:00 PM | 01:001:00 AM | |
| 14:002:00 PM | 02:002:00 AM | |
| 15:003:00 PM | 03:003:00 AM | |
| 16:004:00 PM | 04:004:00 AM | |
| 17:005:00 PM | 05:005:00 AM | |
| 18:006:00 PM | 06:006:00 AM | |
| 19:007:00 PM | 07:007:00 AM | |
| 20:008:00 PM | 08:008:00 AM | |
| 21:009:00 PM | 09:009:00 AM | |
| 22:0010:00 PM | 10:0010:00 AM | |
| 23:0011:00 PM | 11:0011:00 AM |
Quick conversion examples
These examples use Hanoi (UTC+7) and EST (UTC-5); choosing a date applies the local clock changes.
Conversion formula: EST = Hanoi − 12h · EDT = Hanoi − 11h.
| Hanoi | EST |
|---|---|
| 6:00 AM Hanoi | = 6:00 PM EST (-1 day) |
| 7:00 AM Hanoi | = 7:00 PM EST (-1 day) |
| 8:00 AM Hanoi | = 8:00 PM EST (-1 day) |
| 9:00 AM Hanoi | = 9:00 PM EST (-1 day) |
| 10:00 AM Hanoi | = 10:00 PM EST (-1 day) |
| 12:00 PM Hanoi | = 12:00 AM EST |
| 3:00 PM Hanoi | = 3:00 AM EST |
| 5:00 PM Hanoi | = 5:00 AM EST |
| 6:00 PM Hanoi | = 6:00 AM EST |
| 8:00 PM Hanoi | = 8:00 AM EST |
Overlapping meeting hours
The 08:00–18:00 working days in Hanoi and EST do not overlap on 2026-10-21.
Clock changes on both sides, 2026–2028
Hanoi and EST have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | Hanoi | EST |
|---|---|---|
| 2026 | No clock changes; UTC+7 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2027 | No clock changes; UTC+7 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2028 | No clock changes; UTC+7 all year. | · 02:00 → 03:00 · 02:00 → 01:00 |
At the start of 2026, EST is 12 hours behind Hanoi. The difference changes during the following periods.
- From 2026-03-08 14:00 Hanoi until 2026-11-01 13:00 Hanoi, EDT is 11 hours behind Hanoi.
- From 2027-03-14 14:00 Hanoi until 2027-11-07 13:00 Hanoi, EDT is 11 hours behind Hanoi.
- From 2028-03-12 14:00 Hanoi until 2028-11-05 13:00 Hanoi, EDT is 11 hours behind Hanoi.
Frequently asked questions
What time is 9 AM Hanoi in EST?
9:00 AM Hanoi = 9:00 PM EST (-1 day), using UTC+7 and UTC-5. Choose a date above for the seasonal local time.
Does the time difference between Hanoi and EST change during the year?
Yes. During 2026–2028: EST is 12 hours behind Hanoi; EST is 11 hours behind Hanoi. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in EST?
Read the EST clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between Hanoi and EST?
The 08:00–18:00 working days in Hanoi and EST do not overlap.
What is the time difference between Hanoi and EST now?
Right now, EST is 12 hours behind Hanoi. Conversion formula: EST = Hanoi − 12h · EDT = Hanoi − 11h.