Common Hour
🇺🇸   United States

Time in HoustonUTC-05

Live clock and time-zone data for Houston, United States — Chicago (America/Chicago), UTC-05 UTC. Refreshed every 30 s.

Live clock
17:11
Wed 29 Apr 2026 · Day
Timezone
America/Chicago
Current UTC offset
UTC-05
Abbreviation
CDT
Population
2,320,000
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Cultural and business context

Houston runs on Chicago (America/Chicago), which sits UTC-05 from UTC right now. In United States, office hours typically stretch from 09:00 to 17:00 local time, with a lunch window around 12:00–13:00. The city shifts its clocks with daylight saving time, so the offset changes twice a year.

Currency
USD $
Dial
+1
Work day
09:00–17:00
Lunch
12:00–13:00
II
Time difference with reference cities
III
When it's noon in Houston, other cities are at
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Best hours to meet with São Paulo
Morning meeting (both on-shift)11:00 ↔ 09:00
Afternoon meeting (both on-shift)14:00 ↔ 12:00
End-of-day sync16:00 ↔ 14:00
Compare: Houston ↔ São Paulo
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Cities with the same UTC offset right now
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± 1h
VII
Frequently asked questions

What time zone abbreviation does Houston use?

Houston uses the abbreviation CDT, which corresponds to the IANA zone America/Chicago.

What's the best time to call Houston from São Paulo?

The overlap block above lists the best hours to schedule calls between São Paulo and Houston without falling outside office hours.

Is it daytime in Houston right now?

Yes — it is currently daytime in Houston.

When is noon in Houston?

Noon in Houston corresponds to UTC-05 UTC. The table below shows what that maps to in other cities.

Does Houston observe daylight saving time?

Yes — Houston shifts its clocks with daylight saving time, so the UTC offset changes twice a year.

United States America/ChicagoUTC-05← All cities