Asia/Vientiane is an IANA time zone used in Laos. It stays on UTC+7 all year.
Asia/Vientiane at a glance
| UTC offset now | UTC+7 |
|---|---|
| Standard time | UTC+7 |
| Used in | Laos |
Rules of the Asia/Vientiane time zone
Asia/Vientiane stays on UTC+7 all year. The tz database records no daylight saving time in this zone since 1970.
Where Asia/Vientiane is used
Asia/Vientiane is used in Laos. These are the largest cities in our list that follow it.
Asia/Vientiane compared with other time zones
Differences change during the year when one side moves to or from daylight saving time, so the table shows January and July separately.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 12 h behind | 12 h behind | 11 h behind |
| Los Angeles (United States) | --:-- | 15 h behind | 15 h behind | 14 h behind |
| London (United Kingdom) | --:-- | 7 h behind | 7 h behind | 6 h behind |
| Paris (France) | --:-- | 6 h behind | 6 h behind | 5 h behind |
| Dubai (United Arab Emirates) | --:-- | 3 h behind | 3 h behind | 3 h behind |
| Mumbai (India) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind |
| Singapore | --:-- | 1 h ahead | 1 h ahead | 1 h ahead |
| Tokyo (Japan) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead |
| Sydney (Australia) | --:-- | 4 h ahead | 4 h ahead | 3 h ahead |
| UTC | --:-- | 7 h behind | 7 h behind | 7 h behind |
Other zones on UTC+7 right now
These IANA zones show the same time as Asia/Vientiane today. Their clock-change rules may differ.
- Asia/Bangkok
- Asia/Barnaul
- Asia/Ho_Chi_Minh
- Asia/Jakarta
- Asia/Krasnoyarsk
- Asia/Novokuznetsk
- Asia/Novosibirsk
- Asia/Phnom_Penh
- Asia/Pontianak
- Asia/Tomsk
- Indian/Christmas
- Antarctica/Davis
Using Asia/Vientiane in software
Store and send the zone as its IANA name, Asia/Vientiane, not as a fixed offset. A fixed offset such as UTC+7 gives the wrong result after the next clock change.
Show the current time in Asia/Vientiane:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Asia/Vientiane', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Asia/Vientiane'))
// PHP
(new DateTime('now', new DateTimeZone('Asia/Vientiane')))->format('c');
# Shell
TZ=Asia/Vientiane dateTools for time in Asia/Vientiane
- Convert a time to or from Asia/Vientiane: pick a date and time and see it in every city on your list.
- Add Vientiane to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Asia/Vientiane and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What is the UTC offset of Asia/Vientiane?
UTC+7, all year.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.