Pakistan
Islamabad

Pakistan

United States
Houston

United States

Islamabad to Houston Time Difference

Houston is 10 hours behind Islamabad

IslamabadPakistan
6:59 AM
Thursday, April 2, 2026
UTC+5
HoustonUnited States
8:59 PM
Wednesday, April 1, 2026
UTC-5

Islamabad vs Houston — At a Glance

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

Islamabad to Houston — Hour-by-Hour

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

About Islamabad and Houston

Islamabad (population: 1.1M) is known for Pakistan's capital city, Faisal Mosque, and the diplomatic enclave. Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center.

Business Hours Overlap

Islamabad is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Houston.

Calling Between Cities

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

Currency

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

Language

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

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

Frequently Asked Questions

What is the time difference between Islamabad and Houston?

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

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

When it's 12:00 PM (noon) in Islamabad, it's 2:00 AM in Houston.

What is the best time to call Houston from Islamabad?

The best time to call Houston from Islamabad is during the overlapping business hours. When it's 9 AM in Islamabad, it's 11:00 PM in Houston. Aim for late morning to early afternoon in Islamabad for the best chance of reaching someone during working hours.

What currency does Houston use?

Houston, United States uses USD. Islamabad uses PKR. You will need to check the current exchange rate for transactions between the two.

What language is spoken in Houston?

The primary languages in Houston are English, Spanish. Islamabad also speaks English, making communication easier.

How do I dial Houston from Islamabad?

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

Related City Conversions