Current Time in Houston
United States · CST/CDT · UTC-6:00 / UTC-5:00 (DST)
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America/Chicago
Timezone Details
| Timezone | CST/CDT |
| UTC Offset (standard) | UTC-6:00 |
| UTC Offset (summer/DST) | UTC-5:00 |
| Daylight Saving Time | Yes (observed) |
| IANA Timezone ID | America/Chicago |
| Country |  United States |
| Population | 2.3 million |
Live Time Comparison
All times update every second
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| London (GMT/BST) | --:--:-- |
| New York (EST/EDT) | --:--:-- |
| Dubai (GST) | --:--:-- |
| Tokyo (JST) | --:--:-- |
| Sydney (AEST) | --:--:-- |
| Beijing (CST) | --:--:-- |
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About Houston Time Zone (CST/CDT)
Houston, Texas's largest city and the energy capital of the world, uses Central Standard Time (CST, UTC−6) in winter and Central Daylight Time (CDT, UTC−5) in summer. Houston is home to NASA's Johnson Space Center and is a major hub for the oil, gas, and aerospace industries.
Key fact: Houston is in the same timezone as Chicago — 1 hour behind New York (EST) and 6 hours behind London (GMT) in winter.
Use the live clock at the top of this page to see the exact current time in Houston with seconds. The clock updates every second and uses your browser's timezone database for accuracy.
✈ Flight Time to Houston
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Houston, United States
Frequently Asked Questions — Houston Time
What time is it in Houston right now? +
The current time in Houston, United States is displayed by the live clock at the top of this page. Houston is in the CST/CDT timezone (UTC-6:00 in winter, UTC-5:00 in summer).
What timezone is Houston in? +
Houston is in the CST/CDT timezone. The IANA timezone identifier is
America/Chicago. The UTC offset is -6:00 in winter and -5:00 in summer.Does Houston observe Daylight Saving Time? +
Yes, Houston observes Daylight Saving Time (DST). Clocks are set forward in spring and back in autumn. In winter, the UTC offset is -6:00; in summer it is -5:00.
What is the UTC offset for Houston? +
Houston's UTC offset is UTC-6:00 in winter and UTC-5:00 in summer. UTC offset means how many hours ahead of or behind Coordinated Universal Time (UTC) the local time is.
What is the time difference between Houston and London? +
Houston (CST/CDT) is UTC-6:00. London (GMT/BST) is UTC+0 in winter and UTC+1 in summer. Houston is in the same timezone as Chicago — 1 hour behind New York (EST) and 6 hours behind London (GMT) in winter.
How do I convert Houston time to UTC? +
To convert Houston time to UTC, subtract UTC-6:00 from the local time. For example, if it is 15:00 in Houston and the UTC offset is UTC-6:00, you calculate backward to find the UTC equivalent. Use the conversion table on this page for real-time values.
What continent is Houston in? +
Houston is located in North America. It is the 2.3 million population city in United States.
What is the IANA timezone name for Houston? +
The IANA (Internet Assigned Numbers Authority) timezone database identifier for Houston is
America/Chicago. This is the official timezone name used in programming languages and operating systems.
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