Convert AST to ICT — Time Difference Between St Thomas and Indochina Time

How to Convert AST to ICT

Drag the slider on the AST timeline to pick your time — the ICT 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 AST and ICT?

Indochina Time (ICT) is 11 hours ahead of St Thomas (AST). To convert, add 11 hours — for example, 9:00 AM AST is 8:00 PM ICT.

AST to ICT Quick Reference

AST to ICT Meeting Planner

Use the color-coded table above to find overlapping work hours between St Thomas and Ho Chi Minh City. 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 AST to ICT 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.