Chennai is 2.5 hours behind Taipei
Best overlap: 11:00 AM to 6:00 PM in Taipei is 8:30 AM to 3:30 PM in Chennai.
The overlap falls at 11:00 AM to 6:00 PM in Taipei, or 8:30 AM to 3:30 PM if you're in Chennai. Even with Chennai behind by 2.5 hours, your workdays overlap by a comfortable 7 hours — plenty of flexibility for both sides.