No overlap — one side will join outside working hours
BRT (São Paulo)
PKT (Karachi)
00:00
08:00
01:00
09:00Working
02:00
10:00Working
03:00
11:00Working
04:00
12:00Working
05:00
13:00Working
06:00
14:00Working
07:00
15:00Working
08:00
16:00Working
09:00Working
17:00off
10:00Working
18:00off
11:00Working
19:00off
12:00Working
20:00off
13:00Working
21:00off
14:00Working
22:00off
15:00Working
23:00off
16:00Working
00:00+1doff
17:00
01:00+1d
18:00
02:00+1d
19:00
03:00+1d
20:00
04:00+1d
21:00
05:00+1d
22:00
06:00+1d
23:00
07:00+1d
Working hours: 09:00–17:00 local. Green = both working.Purple = one side only.
Frequently Asked Questions
What is the difference between brt and pkt?
Brasilia Time (brt) is UTC-3 and Pakistan Standard Time (pkt) is UTC+5. The difference between them is 8 hours.
Where is brt used?
Brasilia Time (brt) is used in Brazil and surrounding regions. The IANA timezone identifier is America/Sao_Paulo.
Where is pkt used?
Pakistan Standard Time (pkt) is used in Pakistan and surrounding regions. The IANA timezone identifier is Asia/Karachi.
How do I convert brt to pkt?
Use the interactive converter above. Drag the time slider to any brt time and the pkt equivalent updates instantly. You can also type a time like "3pm" or "15:00" in the input bar.
How far apart are BRT (São Paulo) and PKT (Karachi)?
BRT (São Paulo) is 8 hours behind PKT (Karachi). At noon in BRT (São Paulo), your contact in PKT (Karachi) sees 20:00.
BRT (São Paulo) runs on America/Sao_Paulo; PKT (Karachi) runs on Asia/Karachi. Together they are 8 hours apart.
Daily overlap window
There is no business hours overlap between BRT (São Paulo) and PKT (Karachi) during standard working hours (9:00–17:00). Meetings would require one party to work outside normal hours.
Best call times between these locations
BRT (São Paulo) and PKT (Karachi) have no shared working window. These slots minimize out-of-hours disruption for both sides.
08:00 São Paulo / 16:00 Karachi⚡ One side off-hours
⚠️ 1h before working hours in São Paulo
09:00 São Paulo / 17:00 Karachi⚡ One side off-hours
⚠️ 1h after working hours in Karachi
07:00 São Paulo / 15:00 Karachi⚡ One side off-hours
⚠️ 2h before working hours in São Paulo
Working hours defined as 09:00–17:00 local time for each location.
Public holidays for both locations
BRT (São Paulo)7 holidays
Jul 9Constitutionalist Revolution of 1932
Sep 7Independence Day
Oct 12Our Lady of Aparecida
Nov 2All Souls' Day
Nov 15Republic Proclamation Day
PKT (Karachi)
No upcoming public holidays this year.
Scheduling between BRT (São Paulo) and PKT (Karachi)
Coordinating between BRT (São Paulo) (Brazil) and PKT (Karachi) (Pakistan) means working around a 8-hour time difference. Since standard business hours don't naturally overlap, meetings usually require one side to shift slightly outside their normal working day.
💡 Scheduling tips for these locations
⚡
A 08:00 meeting in BRT (São Paulo) means 16:00 in PKT (Karachi) (1h before working hours in São Paulo).
⚡
A 09:00 meeting in BRT (São Paulo) means 17:00 in PKT (Karachi) (1h after working hours in Karachi).
⚡
A 07:00 meeting in BRT (São Paulo) means 15:00 in PKT (Karachi) (2h before working hours in São Paulo).
With no shared business hours, these slots distribute the scheduling burden as evenly as possible between both locations.
Avoid scheduling mistakes — especially around daylight saving changes. Use the ClockinSync Chrome Extension to instantly verify and compare both time zones directly in your browser, without manual calculations.
Need a specific time? Use the slider or type directly into the input bar — it understands "3pm", "15:30", and location-specific formats like "9am BRT (São Paulo)".
