Japan is 4 hours ahead of Karachi. At noon in Japan, your contact in Karachi sees 08:00.
Japan is in the Asia/Tokyo timezone. Karachi is in Asia/Karachi. The difference is 4 hours.
Business hours comparison
Japan and Karachi share 4 hours of overlapping business hours daily — enough for real-time collaboration without anyone joining at odd hours.
00:0006:0012:0018:0024:00
Japan
Karachi
Overlap (4h)
Recommended meeting windows
Both Japan and Karachi are in standard hours simultaneously for 4h per day. 3 recommended slots shown below.
13:00 Tokyo / 09:00 Karachi✓ Both working
14:00 Tokyo / 10:00 Karachi✓ Both working
15:00 Tokyo / 11:00 Karachi✓ Both working
Based on standard 09:00–17:00 working hours in each location's local time.
Public holidays for both locations
Japan7 holidays
Jul 20Marine DaySOON
Aug 11Mountain Day
Sep 21Respect for the Aged Day
Sep 23Autumnal Equinox Day
Oct 12Sports Day
Karachi
No upcoming public holidays this year.
Scheduling between Japan and Karachi
Japan (Japan) leads Karachi (Pakistan) by 4 hours. Despite the gap, a 4-hour window of shared business hours each day keeps real-time collaboration practical for both sides.
💡 Scheduling tips for these locations
✅
13:00–14:00 in Japan = 09:00–10:00 in Karachi. Both sides are in standard business hours during this window.
✅
14:00–15:00 in Japan = 10:00–11:00 in Karachi. Both sides are in standard business hours during this window.
✅
15:00–16:00 in Japan = 11:00–12:00 in Karachi. Both sides are in standard business hours during this window.
DST transitions can silently shift your meeting times by an hour. The ClockinSync Chrome Extension tracks these changes automatically so you never get caught off guard.
Use the time slider above to find the exact equivalent time for any moment in Japan. The input bar accepts natural language like "3pm", "15:30", or "9am Rome" for instant conversions.
