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Vietnam does NOT observe Daylight Saving Time. Local clocks remain constant throughout the year on standard time, with no seasonal spring/fall 1-hour adjustments.
Optimal overlapping time windows to schedule remote team meetings, vendor synchronization, and client calls between major global economic regions and Vietnam.
Timezone Twins: The following countries and territories share the exact same standard clock as Vietnam:
The directory below details the official time zone designations, IANA database identifiers, real-time clocks, and standard UTC offsets active across Vietnam.
Select a metropolitan center below to view dedicated city clocks, localized solar schedules, and weather patterns.
Complete schedule of national holidays, bank closures, religious festivals, and observances. Switch between years (2024–2028) and filter by holiday category:
| Date | Holiday Name | Classification | Calendar Basis | Office Status |
|---|---|---|---|---|
| 2026-02-18 | Tet Nguyen Dan (Lunar New Year) | Public | lunar | Closed 🔴 |
| 2026-04-10 | Hung Kings' Death Anniversary | Public | gregorian | Closed 🔴 |
| 2026-05-01 | Labor Day | Public | gregorian | Closed 🔴 |
| 2026-04-30 | Reunification Day | Public | gregorian | Closed 🔴 |
| 2026-09-02 | Mid-Autumn Festival | Public | lunar | Closed 🔴 |
| 2026-09-02 | National Day | Public | gregorian | Closed 🔴 |
| 2026-10-20 | Vietnamese Women's Day | Observance | gregorian | Open 🟢 |
| 2026-11-02 | National Mourning Day | Public | gregorian | Closed 🔴 |
| 2026-11-20 | Teachers' Day | Observance | gregorian | Open 🟢 |
| 2026-12-31 | New Year's Eve | Observance | gregorian | Open 🟢 |
| 2026-01-01 | New Year's Day | Public | gregorian | Closed 🔴 |
| 2026-02-17 | Ancestors Day | Religious | lunar | Open 🟢 |
| 2026-02-03 | Dong Chi Day | Observance | gregorian | Open 🟢 |
| 2026-03-26 | Youth Day | Observance | gregorian | Open 🟢 |
| 2026-02-17 | Spring Festival | Religious | lunar | Open 🟢 |
Physiological time difference and circadian adjustment expectations when traveling to Vietnam:
Official format conventions and time standards recognized in Vietnam:
| Preferred Date Format | DD-MM-YYYY |
|---|---|
| Standard Clock Format | 24-hour |
| First Day of the Week | Monday |
| 24-Hour Military Clock Used? | Yes |
Vietnam has consistently used Indochina Time (ICT) - UTC+7.
The current time in Vietnam is based on Asia/Bangkok with a UTC offset of UTC+07:00. Real-time clocks above are synchronized with high-precision atomic stratum-1 time servers.
No, Vietnam does not observe Daylight Saving Time. Clocks remain on standard time all year.
Standard business hours in Vietnam are typically 08:00 - 17:00, Monday through Friday.
Refer to the Remote Work Call Planner section above for region-specific recommended calling windows from the US, Europe, and Asia-Pacific.
The international telephone dialing code for Vietnam is +84.