Taipei is 5 hours ahead of Tel Aviv

Best overlap: 8:00 AM to 1:00 PM in Tel Aviv is 1:00 PM to 6:00 PM in Taipei.

Your shared working hours run 8:00 AM to 1:00 PM in Tel Aviv (1:00 PM to 6:00 PM in Taipei). You've got a decent 5-hour window. Set a recurring time near 8:00 AM in Tel Aviv (1:00 PM in Taipei) and stick to it. Watch the DST gap — when Tel Aviv changes its clocks and Taipei stays the same, this window slides by an hour.