Da Nang to Guyancourt: time difference
Guyancourt is 5 h behind Da Nang. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Da Nang 08:21 8:21 AM Guyancourt 03:21 3:21 AM You –:–
08:21 8:21 AM
Indochina Time · UTC+7
☀️ 05:41 · 🌙 17:24
03:21 3:21 AM
Central European Summer Time · UTC+2
☀️ 08:21 · 🌙 18:53
·
−5 h
Guyancourt is 5 h behind Da Nang.
When you, Da Nang and Guyancourt are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇻🇳 Da Nang
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇫🇷 Guyancourt
19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇻🇳 Da Nang | 🇫🇷 Guyancourt |
|---|---|---|
| Local time | 08:21 | 03:21 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Indochina Time | Central European Summer Time |
| UTC offset | UTC+7 | UTC+2 |
| Offset from Da Nang | — | −5 h |
| IANA zone | Asia/Ho Chi Minh | Europe/Paris |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 05:41 | 08:21 |
| Sunset | 17:24 | 18:53 |
| Daylight | 11 h 43 min | 10 h 32 min |
| People on this clock | 1,245,200 | 29,406 |
Compare Da Nang with another city
More comparisons with Da Nang: the time zones next to it and the far side of the clock.
Big time differences
Da Nang and Guyancourt: common questions
How many hours behind Da Nang is Guyancourt?
The clocks in Guyancourt are 5 hours behind those in Da Nang (UTC+2 and UTC+7).
What time is it in Guyancourt at the start of the working day in Da Nang?
The working day in Da Nang starts at 9:00 AM; in Guyancourt it is 4:00 AM at that moment.
If it is 6:00 PM in Da Nang, what time is it in Guyancourt?
At 6:00 PM in Da Nang, clocks in Guyancourt show 1:00 PM.
When do working hours in Da Nang and in Guyancourt overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Da Nang, which is 9:00 AM to 1:00 PM in Guyancourt.
When is it still the previous day in Guyancourt?
Until 5:00 AM in Da Nang it is still the previous day in Guyancourt. The other way round, from 7:00 PM in Guyancourt it is already the next day in Da Nang.
Does the time difference between Da Nang and Guyancourt change?
Yes. The clocks change only in Guyancourt. From October 25, 2026, Guyancourt will be 6 hours behind Da Nang.
