United States
Houston

United States

Pakistan
Karachi

Pakistan

Houston to Karachi Time Difference

Karachi is 10 hours ahead of Houston

HoustonUnited States
8:56 PM
Wednesday, April 1, 2026
UTC-5
KarachiPakistan
6:56 AM
Thursday, April 2, 2026
UTC+5

Houston vs Karachi — At a Glance

Houston
Karachi
Time Zone
UTC-5
UTC+5
Currency
USD
PKR
Language
English
Urdu
Dial Code
+1
+92
Hub Type
industry
finance

Houston to Karachi — Hour-by-Hour

Houston, United States
Karachi, Pakistan
12:00 AM
10:00 AM
1:00 AM
11:00 AM
2:00 AM
12:00 PM
3:00 AM
1:00 PM
4:00 AM
2:00 PM
5:00 AM
3:00 PM
6:00 AM
4:00 PM
7:00 AM
5:00 PM
8:00 AM
6:00 PM
9:00 AM
7:00 PM
10:00 AM
8:00 PM
11:00 AM
9:00 PM
12:00 PM
10:00 PM
1:00 PM
11:00 PM
2:00 PM
12:00 AM(Apr 2)
3:00 PM
1:00 AM(Apr 2)
4:00 PM
2:00 AM(Apr 2)
5:00 PM
3:00 AM(Apr 2)
6:00 PM
4:00 AM(Apr 2)
7:00 PM
5:00 AM(Apr 2)
8:00 PM
6:00 AM(Apr 2)
9:00 PM
7:00 AM(Apr 2)
10:00 PM
8:00 AM(Apr 2)
11:00 PM
9:00 AM(Apr 2)

About Houston and Karachi

Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center. Karachi (population: 16.1M) is known for Pakistan's economic capital, the Karachi Stock Exchange, and the Port of Karachi.

Business Hours Overlap

The 10-hour gap means Houston and Karachi have almost no standard-hours overlap. Early morning calls from Houston or late evening calls from Karachi are the most practical options.

Calling Between Cities

With 10 hours between Houston (+1) and Karachi (+92), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.

Currency

Houston uses USD while Karachi uses PKR. Check current exchange rates before making payments or transferring funds between the two cities.

Language

Houston and Karachi share English as a common language, which simplifies business communication.

Use our world clock tool to compare Houston and Karachi visually, or browse more timezone conversions.

Frequently Asked Questions

What is the time difference between Houston and Karachi?

Karachi, Pakistan is 10 hours ahead of Houston, United States. Houston is in the America/Chicago timezone (UTC-5) and Karachi is in the Asia/Karachi timezone (UTC+5).

When it's noon in Houston, what time is it in Karachi?

When it's 12:00 PM (noon) in Houston, it's 10:00 PM in Karachi.

What is the best time to call Karachi from Houston?

The best time to call Karachi from Houston is during the overlapping business hours. When it's 9 AM in Houston, it's 7:00 PM in Karachi. Aim for late morning to early afternoon in Houston for the best chance of reaching someone during working hours.

What currency does Karachi use?

Karachi, Pakistan uses PKR. Houston uses USD. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Karachi?

The primary languages in Karachi are Urdu, Sindhi, English. Houston also speaks English, making communication easier.

How do I dial Karachi from Houston?

To call Karachi from Houston, dial your international access code followed by +92 and the local number. Houston uses country code +1 and Karachi uses +92.

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