America/Chihuahua is an IANA time zone used in Mexico. It stays on UTC−6 all year.
America/Chihuahua at a glance
Rules of the America/Chihuahua time zone
America/Chihuahua has stayed on UTC−6 since its last daylight saving period in 2022. Software that still applies an old rule will show the wrong time, so keep tz data up to date.
Recent and upcoming changes in America/Chihuahua
| Date | Change | New offset |
|---|---|---|
| Sunday, April 4, 2021 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−6 |
| Sunday, October 31, 2021 | Clocks go back 1 hour: 2:00 AM becomes 1:00 AM | UTC−7 |
| Sunday, April 3, 2022 | Clocks go forward 1 hour: 2:00 AM becomes 3:00 AM | UTC−6 |
| Sunday, October 30, 2022 | Daylight saving time ends for good: clocks stay at UTC−6 (CST) | UTC−6 |
The base offset of this zone changed in 2022, from UTC−7 to UTC−6. Old timestamps should be converted with the rule that applied at the time.
Where America/Chihuahua is used
America/Chihuahua is used in Mexico. These are the largest cities in our list that follow it.
America/Chihuahua 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) | --:-- | 1 h ahead | 1 h ahead | 2 h ahead |
| Los Angeles (United States) | --:-- | 2 h behind | 2 h behind | 1 h behind |
| London (United Kingdom) | --:-- | 6 h ahead | 6 h ahead | 7 h ahead |
| Paris (France) | --:-- | 7 h ahead | 7 h ahead | 8 h ahead |
| Dubai (United Arab Emirates) | --:-- | 10 h ahead | 10 h ahead | 10 h ahead |
| Mumbai (India) | --:-- | 11 h 30 min ahead | 11 h 30 min ahead | 11 h 30 min ahead |
| Singapore | --:-- | 14 h ahead | 14 h ahead | 14 h ahead |
| Tokyo (Japan) | --:-- | 15 h ahead | 15 h ahead | 15 h ahead |
| Sydney (Australia) | --:-- | 17 h ahead | 17 h ahead | 16 h ahead |
| UTC | --:-- | 6 h ahead | 6 h ahead | 6 h ahead |
Other zones on UTC−6 right now
These IANA zones show the same time as America/Chihuahua today. Their clock-change rules may differ.
- America/Belize
- America/Chicago
- America/Costa_Rica
- America/Edmonton
- America/El_Salvador
- America/Guatemala
- America/Managua
- America/Matamoros
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/Regina
Using America/Chihuahua in software
Store and send the zone as its IANA name, America/Chihuahua, not as a fixed offset. A fixed offset such as UTC−6 gives the wrong result after the next clock change.
Show the current time in America/Chihuahua:
// JavaScript
new Intl.DateTimeFormat('en-GB', { timeZone: 'America/Chihuahua', timeStyle: 'long' }).format(new Date());
# Python
from datetime import datetime
from zoneinfo import ZoneInfo
datetime.now(ZoneInfo('America/Chihuahua'))
// PHP
(new DateTime('now', new DateTimeZone('America/Chihuahua')))->format('c');
# Shell
TZ=America/Chihuahua dateTools for time in America/Chihuahua
- Convert a time to or from America/Chihuahua: pick a date and time and see it in every city on your list.
- Add Chihuahua to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in America/Chihuahua 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 America/Chihuahua?
UTC−6, all year.
What abbreviation does America/Chihuahua use?
CST. Abbreviations are not unique, so use the zone name America/Chihuahua in software.
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.