Time in Hanoi, Vietnam 🇻🇳
The current local time in Hanoi, Vietnam is shown below — the city is in the Asia/Ho_Chi_Minh time zone (UTC +07:00).
Hanoi local time
Thursday, 22 October 2026 GMT+7
Hanoi at a glance
- Time zone
Asia/Ho_Chi_Minh- UTC offset now
- +07:00 GMT+7
- Daylight saving
- No · UTC +07:00 all year
- Coordinates
- 21.03° N, 105.85° E
- Population
- 8,053,663
- Country
- Vietnam · ISO VN
- Dialing code
- +84
- Currency
- Vietnamese Dong (VND)
- Work week
- Monday to Friday
- Drives on the
- Right
Hanoi right now
Time difference
Hanoi is shown here relative to your device's time zone.
Planning a call? Compare hours side by side in the time zone converter.
Upcoming public holidays
- New Year's Day Fri, Jan 1, 2027
- Vietnamese New Year Holidays Fri, Feb 5, 2027
- Vietnamese New Year Sat, Feb 6, 2027
- Hung Kings Commemorations Fri, Apr 16, 2027
Sun today
Sunrise 05:55 · Sunset 17:28
Day length 11h 33m · twilight and monthly table →
Hanoi time vs. UTC
A 09:00–17:00 working day in Hanoi overlaps with 09:00–17:00 UTC from 16:00 to 17:00 Hanoi time. Open this page in your browser and the second row switches to your own time zone.
| Hanoi | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UTC | 17:00 | 18:00 | 19:00 | 20:00 | 21:00 | 22:00 | 23:00 | 00:00 | 01:00 | 02:00 | 03:00 | 04:00 | 05:00 | 06:00 | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 |
- Office hours 09–17
- Awake, off work
- Night 22–07
Hanoi vs. major cities
How far Hanoi is from the world's main business centres right now, what time it is there when the working day starts in Hanoi, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.
| City | Difference | At 09:00 in Hanoi | Shared office hours |
|---|---|---|---|
| New York · United States | −11 h | 22:00 (prev. day) | None |
| Los Angeles · United States | −14 h | 19:00 (prev. day) | None |
| São Paulo · Brazil | −10 h | 23:00 (prev. day) | None |
| London · United Kingdom | −6 h | 03:00 | 15:00–17:00 |
| Paris · France | −5 h | 04:00 | 14:00–17:00 |
| Johannesburg · South Africa | −5 h | 04:00 | 14:00–17:00 |
| Dubai · United Arab Emirates | −3 h | 06:00 | 12:00–17:00 |
| Delhi · India | −1:30 h | 07:30 | 10:30–17:00 |
| Singapore · Singapore | +1 h | 10:00 | 09:00–16:00 |
| Beijing · China | +1 h | 10:00 | 09:00–16:00 |
Shared office hours are shown in Hanoi time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.
Cities near Hanoi
The closest places to Hanoi among the cities we track, measured in a straight line from the city centre. Some of them keep a different clock, so check the time difference before crossing a border or booking a call.
| City | Distance | Time difference |
|---|---|---|
| Guangzhou · China | 800 km (500 mi) east | +1 h |
| Shenzhen · China | 860 km (540 mi) east | +1 h |
| Hong Kong · Hong Kong | 870 km (540 mi) east | +1 h |
| Bangkok · Thailand | 990 km (610 mi) southwest | Same time |
| Phnom Penh · Cambodia | 1,060 km (660 mi) south | Same time |
| Chengdu · China | 1,080 km (670 mi) north | +1 h |
| Ho Chi Minh City | 1,140 km (710 mi) south | Same time |
| Dhaka · Bangladesh | 1,620 km (1,000 mi) west | −1 h |
Distances are great-circle distances. A plus sign means the other city is ahead of Hanoi.
Clock time vs. sun time in Hanoi
Hanoi's standard offset, UTC +07:00, is based on the 105° E meridian; the city itself lies at 105.85° E, 0.9° east of it. Its clocks are therefore within 3 minutes of local solar time. Solar noon — when the sun is highest — falls between 11:41 (around 29 October) and 12:12 (around 12 February) on the clock.
How dates and times are written in Hanoi
- Short date
- 22/10/2026 · DD/MM/YYYY
- Long date
- 22 tháng 10, 2026
- Time
- 15:30 · 24-hour clock
- Week starts on
- Monday
Examples show 22 October 2026 at 15:30 using the Unicode CLDR conventions for vi-VN, Vietnam's most common locale. Businesses and English-language sources may use other formats.
Clock changes in Hanoi
Since 1970, Hanoi has gone through 2 distinct time-keeping periods, none of them with daylight saving time. Since 1975 it has stayed on UTC +07:00 all year.
No clock changes are scheduled in 2026 or 2027: Hanoi stays on UTC +07:00 all year.
Time zone history since 1970 (2 periods)
| Years | Offset | Daylight saving |
|---|---|---|
| 1970–1974 | UTC +08:00 all year | No daylight saving time |
| 1975–2026 | UTC +07:00 all year | No daylight saving time |
Source: IANA tz database, as shipped with the Unicode ICU library.
Daylight in Hanoi through the year
The longest day in Hanoi is 22 June with 13h 25m of daylight; the shortest is 22 December with 10h 51m. Day length swings by 2 h 34 min over the year. The earliest sunrise is at 05:15 on 3 June and the latest sunset at 18:43 on 29 June — not on the solstice itself, because solar noon drifts through the year.
Frequently asked questions
What time zone is Hanoi in?
Hanoi uses the Asia/Ho_Chi_Minh time zone: UTC +07:00 all year round.
Does Hanoi observe daylight saving time?
No. Hanoi has not used daylight saving time since at least 1970.
When is the longest day of the year in Hanoi?
Around 22 June, with 13h 25m of daylight. The shortest day is around 22 December, with 10h 51m.
What is the dialing code for Hanoi?
To call Hanoi from abroad, dial your international access code, then Vietnam's country code +84, then the local number without its leading trunk prefix.
What are normal working days in Hanoi?
The standard work week in Vietnam runs Monday to Friday, with the weekend on Saturday and Sunday. Keep this in mind when scheduling calls from countries with a different weekend.
What is the nearest city to Hanoi on a different time?
Of the 189 cities we track, the closest one keeping a different clock is Guangzhou, China, about 800 km (500 mi) to the east. It is 1 h ahead of Hanoi.
How are dates and times written in Hanoi?
Following the vi-VN conventions in the Unicode CLDR, a short date is written DD/MM/YYYY (22/10/2026) and times usually use the 24-hour clock (15:30). Calendars start the week on Monday.
Explore more for Hanoi
Everything else we track for Hanoi: daylight, weather, the country overview, and the exact time-zone references.