Convert IST to TOT — Time Difference Between India Standard Time and Tonga Time

How to Convert IST to TOT

Drag the slider on the IST timeline to pick your time — the TOT time updates instantly. You can also click the time display to type a specific hour or pick one from the 15-minute interval dropdown, and use the date picker to check a different day.

What Is the Time Difference Between IST and TOT?

Tonga Time (TOT) is 7:30 hours ahead of India Standard Time (IST). To convert, add 7:30 hours — for example, 9:00 AM IST is 4:30 PM TOT.

IST to TOT Quick Reference

IST to TOT Meeting Planner

Use the color-coded table above to find overlapping work hours between Kolkata and Nukuʻalofa. Amber rows mark daytime hours — pick a slot that falls in amber on both sides for a meeting that works for everyone.

Why Trust This IST to TOT Converter?

Timezoney uses the IANA Time Zone Database — the same source that powers your phone and computer — so every conversion handles daylight saving transitions and half-hour offsets automatically.