New York and Karachi working-hours overlap
On Monday, 28 September 2026, New York is 9 hours behind Karachi — UTC-04:00 against UTC+05:00. They share no working hours that day at all: New York works 13:00–21:00 UTC and Karachi works 04:00–12:00 UTC, and those two windows do not meet. New York changes clocks on Sunday, 1 November 2026, and the gap between them goes from 9 hours to 10 hours. Karachi does not change clocks at all.
Every figure on this page describes Monday, 28 September 2026 — a fixed day, not the day you are reading it. Working hours are 09:00–17:00 local time for both cities; change either, or pick another date, in the overlap calculator.
Shared working hours
No shared working hours on this date.
On this date the two working days do not meet, and none of the twelve months sampled for the year brings them together. Widening one side’s hours is what would change it; no other date will find a window that is not there.
Each city's working day
| City | Local hours | In UTC | Offset | Next clock change |
|---|---|---|---|---|
| New York | 09:00–17:00 | 13:00–21:00 UTC | UTC-04:00 | UTC-04:00 → UTC-05:00, 1 Nov 2026 |
| Karachi | 09:00–17:00 | 04:00–12:00 UTC | UTC+05:00 | No daylight saving |
Is there any overlap through the year?
New York changes clocks on Sunday, 1 November 2026, and Karachi never does, so the gap between them moves only when New York's clocks do. In the twelve months sampled the two working days never meet, so there is no window to move.
| Month | Shared window | Length |
|---|---|---|
| 2026-10 | No shared hours | — |
| 2026-11 | No shared hours | — |
| 2026-12 | No shared hours | — |
| 2027-01 | No shared hours | — |
| 2027-02 | No shared hours | — |
| 2027-03 | No shared hours | — |
| 2027-04 | No shared hours | — |
| 2027-05 | No shared hours | — |
| 2027-06 | No shared hours | — |
| 2027-07 | No shared hours | — |
| 2027-08 | No shared hours | — |
| 2027-09 | No shared hours | — |
Questions
- Is there any time New York and Karachi are both at work?
- Not on Monday, 28 September 2026. New York works 13:00–21:00 UTC and Karachi works 04:00–12:00 UTC, and those windows do not overlap. Widening one side's hours or choosing another date is what changes that.
- How far apart are New York and Karachi?
- On Monday, 28 September 2026, New York is 9 hours behind Karachi — UTC-04:00 against UTC+05:00. New York changes clocks on Sunday, 1 November 2026, and the gap between them goes from 9 hours to 10 hours. Karachi does not change clocks at all.
- Does the overlap between New York and Karachi change through the year?
- There is no month in the twelve months from Monday, 28 September 2026 when New York and Karachi are both inside their working hours. New York changes clocks on Sunday, 1 November 2026, and the gap between them goes from 9 hours to 10 hours. Karachi does not change clocks at all.
Related city pairs
- Honolulu and New York
- Honolulu and Karachi
- San Francisco and New York
- San Francisco and Karachi
- Denver and New York
- Denver and Karachi
Or read how overlap is calculated and the other questions people ask about scheduling across time zones.