Boulder to Karachi time converter

Karachi is 11 hours ahead of Boulder. When it is 9:00 AM in Boulder, it is 8:00 PM in Karachi.

Boulder MDT

Sunday, October 18, 2026

Karachi PKT

Sunday, October 18, 2026

Boulder
Colorado, United States
Sun, Oct 18
MDTUTC-6
Karachi
Pakistan
Sun, Oct 18
PKTUTC+5+11h
Finding your time zone…
Shared working hours (9:00–18:00)

Boulder to Karachi conversion table

Every hour of today in Boulder and the matching time in Karachi. Light rows are typical working hours (9:00–18:00).

BoulderKarachi
12:00 AM11:00 AM
1:00 AM12:00 PM
2:00 AM1:00 PM
3:00 AM2:00 PM
4:00 AM3:00 PM
5:00 AM4:00 PM
6:00 AM5:00 PM
7:00 AM6:00 PM
8:00 AM7:00 PM
9:00 AM8:00 PM
10:00 AM9:00 PM
11:00 AM10:00 PM
12:00 PM11:00 PM
1:00 PM12:00 AM+1 day
2:00 PM1:00 AM+1 day
3:00 PM2:00 AM+1 day
4:00 PM3:00 AM+1 day
5:00 PM4:00 AM+1 day
6:00 PM5:00 AM+1 day
7:00 PM6:00 AM+1 day
8:00 PM7:00 AM+1 day
9:00 PM8:00 AM+1 day
10:00 PM9:00 AM+1 day
11:00 PM10:00 AM+1 day

Best time to call or meet

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Boulder (8:00 PM – 10:00 PM in Karachi): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Boulder and Karachi switch clocks on different dates:

  • Oct 18, 2026 – Nov 1, 2026: +11h
  • Nov 1, 2026 – Mar 14, 2027: +12h
  • Mar 14, 2027 – Oct 18, 2027: +11h

Distance

Boulder and Karachi are 12,757 km (7,927 miles) apart in a straight line.

More conversions

Karachi to BoulderBoulder to New YorkBoulder to LondonBoulder to Los AngelesBoulder to ChicagoBoulder to TorontoBoulder to São PauloBoulder to ParisBoulder to BerlinBoulder to MoscowBoulder to DubaiBoulder to New DelhiBoulder to Bangkok
New York to KarachiLondon to KarachiLos Angeles to KarachiChicago to KarachiToronto to KarachiSão Paulo to KarachiParis to KarachiBerlin to KarachiMoscow to KarachiDubai to KarachiNew Delhi to KarachiBangkok to Karachi

Questions and answers

What is the time difference between Boulder and Karachi?

Karachi is 11 hours ahead of Boulder.

What time is it in Karachi when it is 9 AM in Boulder?

When it is 9:00 AM in Boulder, it is 8:00 PM in Karachi.

When is the best time to call Karachi from Boulder?

Working hours don't overlap fully. The closest fit is 9:00 AM – 11:00 AM in Boulder (8:00 PM – 10:00 PM in Karachi): working hours on one side, early or late on the other.

Does the time difference between Boulder and Karachi change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.