Pair comparison
India is 3.5 hours behind Japan. Their business-hour overlap is 5.5 hours per day.
India
Capital: Mumbai
Fri · Apr 24 · UTC+05:30
Japan
Capital: Tokyo
Fri · Apr 24 · UTC+09:00
Overlap window: 3.5:00 → 09:00 UTC · 5.5h per day.
