Skip to content
Global ClockTime zone converter & meeting planner
PAGES
SETTINGS
Clock
Working hours
Start
09
End
18
Theme

AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Tsukuba vs Karachi

Tsukuba keeps JST (UTC+9) and Karachi keeps PKT (UTC+5) today. Karachi is 4 hours behind Tsukuba; the rows below read both clocks live.

The working day, side by side

Hours shaded in both rows are inside working hours in both cities: 09:00–14:00 in Karachi (13:00–18:00 your time).

Tsukuba and Karachi hour by hour, with the working-hour overlap shaded
City00:00 in Tsukuba01:00 in Tsukuba02:00 in Tsukuba03:00 in Tsukuba04:00 in Tsukuba05:00 in Tsukuba06:00 in Tsukuba07:00 in Tsukuba08:00 in Tsukuba09:00 in Tsukuba10:00 in Tsukuba11:00 in Tsukuba12:00 in Tsukuba13:00 in Tsukuba14:00 in Tsukuba15:00 in Tsukuba16:00 in Tsukuba17:00 in Tsukuba18:00 in Tsukuba19:00 in Tsukuba20:00 in Tsukuba21:00 in Tsukuba22:00 in Tsukuba23:00 in Tsukuba
Tsukuba——000102030405060708091011121314151617181920212223
Karachi——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Tsukuba and Karachi

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Tsukuba, Karachi and other cities on screen as live clocks, under an animated sky and sun.

Best hours to call

13:00 in Tsukuba
Inside working hours on both sides
09:00 in Karachi
14:00 in Tsukuba
Inside working hours on both sides
10:00 in Karachi
15:00 in Tsukuba
Inside working hours on both sides
11:00 in Karachi
16:00 in Tsukuba
Inside working hours on both sides
12:00 in Karachi

Where daylight saving pulls them apart

Neither Tsukuba nor Karachi changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Karachi of Tsukuba?

Karachi is 4 hours behind Tsukuba right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Tsukuba and Karachi?

Any hour in 13:00–18:00 Tsukuba time is inside working hours in both cities.

Do Tsukuba and Karachi change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.