Time difference between Boston and Karachi
Compare the current local time in Boston and Karachi, see when your working hours overlap, and convert any specific hour between the two timezones.
--:--
—
--:--
—
Convert a specific time
--:--
--:--
Working-hours overlap
When Boston's 9:00–17:00 business hours overlap with Karachi's.
Boston working hours
Karachi working hours
Overlap (both working)
🇺🇸 Boston
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
🇵🇰 Karachi
Scheduling across Boston and Karachi
Scheduling between Boston and Karachi is hard. Their standard business hours do not overlap on the same day, with the smallest gap running 1 hour between Karachi closing at 17:00 local and Boston opening at 09:00 local. Practical bridging slots: an early Boston start at 08:00 (catching Karachi just at close, 17:00), or a late Karachi call at 18:00 (catching Boston at opening, 09:00).
Quick reference
| 🇺🇸 Boston | 🇵🇰 Karachi | In Karachi it's… |
|---|---|---|
| 06:00 — Early morning | — | — |
| 09:00 — Start of work | — | — |
| 12:00 — Lunchtime | — | — |
| 15:00 — Mid-afternoon | — | — |
| 17:00 — End of work | — | — |
| 20:00 — Evening | — | — |
Daylight saving status
🇺🇸 Boston
Currently in EDT (daylight saving)
Clocks go back to EST
on Sunday 1 November 2026
🇵🇰 Karachi
Karachi does not observe daylight saving time. The local offset is fixed year-round.