Atlantic/Stanley is an IANA time zone used in Falkland Islands. It stays on UTC−3 all year.
Atlantic/Stanley at a glance
| UTC offset now | UTC−3 |
|---|---|
| Standard time | UTC−3 |
| Used in | Falkland Islands |
How Atlantic/Stanley keeps time
Atlantic/Stanley has stayed on UTC−3 since its last daylight saving period in 2010. Software that still applies an old rule will show the wrong time, so keep tz data up to date.
Recent and upcoming changes in Atlantic/Stanley
| Date | Change | New offset |
|---|---|---|
| Sunday, April 19, 2009 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−4 |
| Sunday, September 6, 2009 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−3 |
| Sunday, April 18, 2010 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−4 |
| Sunday, September 5, 2010 | Clocks go forward 1 hour and stay there: 2:00 AM becomes 3:00 AM | UTC−3 |
The base offset of this zone changed in 2010, from UTC−4 to UTC−3. Old timestamps should be converted with the rule that applied at the time.
Countries and cities on Atlantic/Stanley
Atlantic/Stanley is used in Falkland Islands. These are the largest cities in our list that follow it.
Atlantic/Stanley 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) | --:-- | 2 h behind | 2 h behind | 1 h behind |
| Los Angeles (United States) | --:-- | 5 h behind | 5 h behind | 4 h behind |
| London (United Kingdom) | --:-- | 3 h ahead | 3 h ahead | 4 h ahead |
| Paris (France) | --:-- | 4 h ahead | 4 h ahead | 5 h ahead |
| Dubai (United Arab Emirates) | --:-- | 7 h ahead | 7 h ahead | 7 h ahead |
| Mumbai (India) | --:-- | 8 h 30 min ahead | 8 h 30 min ahead | 8 h 30 min ahead |
| Singapore | --:-- | 11 h ahead | 11 h ahead | 11 h ahead |
| Tokyo (Japan) | --:-- | 12 h ahead | 12 h ahead | 12 h ahead |
| Sydney (Australia) | --:-- | 14 h ahead | 14 h ahead | 13 h ahead |
| UTC | --:-- | 3 h ahead | 3 h ahead | 3 h ahead |
Other zones on UTC−3 right now
These IANA zones show the same time as Atlantic/Stanley today. Their clock-change rules may differ.
- America/Araguaina
- America/Argentina/Buenos_Aires
- America/Argentina/Catamarca
- America/Argentina/Cordoba
- America/Argentina/Jujuy
- America/Argentina/La_Rioja
- America/Argentina/Mendoza
- America/Argentina/Salta
- America/Argentina/San_Juan
- America/Argentina/San_Luis
- America/Argentina/Tucuman
- America/Asuncion
Using Atlantic/Stanley in software
Use the zone name Atlantic/Stanley rather than an abbreviation or a fixed offset. Abbreviations can mean several zones, and offsets ignore future clock changes.
Show the current time in Atlantic/Stanley:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'Atlantic/Stanley', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('Atlantic/Stanley'))
// PHP
(new DateTime('now', new DateTimeZone('Atlantic/Stanley')))->format('c');
# Shell
TZ=Atlantic/Stanley datePlan around the time in Atlantic/Stanley
- Convert a time to or from Atlantic/Stanley: pick a date and time and see it in every city on your list.
- Add Stanley to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Atlantic/Stanley 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 Atlantic/Stanley?
UTC−3, 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.