Islamabad is 4 hours ahead of Frankfurt
Best overlap: 8:00 AM to 2:00 PM in Frankfurt is 12:00 PM to 6:00 PM in Islamabad.
For a call that suits both sides, look at 8:00 AM to 2:00 PM in Frankfurt / 12:00 PM to 6:00 PM in Islamabad. Islamabad is 4 hours ahead of Frankfurt, but the generous 6-hour window means both teams can meet well within their normal day. Because Frankfurt and Islamabad don't both observe daylight saving, plan to re-check the overlap around March and November.