The hours you are both awake, a good time to ring, and how the gap moves through the year. Worked out from the time-zone database.
Right now
Choose both places to see the hours.
Waking hours
We assume people are up from 7:00 to 22:00, and that 9:00 to 21:00 is a fair time for a call. Change it if they keep other hours.
Through the year
We assume you are up from 7:00 to 22:00 and that 9:00 to 21:00 is a fair time for them to take a call. Change the hours in the tool above if they keep others.
13 November 2026 to 14 March 2027
Karachi is 10 hours ahead of New York.
Good time to ring: 7:00 to 11:00, your time (17:00 to 21:00 in Karachi).
14 March 2027 to 7 November 2027
Karachi is 9 hours ahead of New York.
Good time to ring: 7:00 to 12:00, your time (16:00 to 21:00 in Karachi).
7 November 2027 to 30 December 2027
Karachi is 10 hours ahead of New York.
Good time to ring: 7:00 to 11:00, your time (17:00 to 21:00 in Karachi).
When the clocks change
New York: clocks go forward 1 hour on Sunday 14 March 2027, at 2:00 local time.
New York: clocks go back 1 hour on Sunday 7 November 2027, at 2:00 local time.
Karachi does not change its clocks in this period.
Karachi last changed its clocks on 1 November 2009.
Time zones: New York uses America/New_York and Karachi uses Asia/Karachi in the IANA time-zone database, version 2026f. Dates are worked out from it; a government can change its clocks at short notice.