CHAST to WAT Converter

West Africa Time (WAT) is 12.75 hours behind Chatham Islands (CHAST / CHADT).

Quick Reference

Chatham Islands
GMT+13:45

GMT+12:45 starts on Apr 4, 2026

West Africa Time
WAT (GMT+1)

No Daylight Saving Time

Frequently Asked Questions

What is the difference between CHAST and WAT?
WAT is 12.75 hours behind CHAST.
How do I convert CHAST to WAT?
To convert from CHAST to WAT, subtract 12.75 hours. Use the interactive converter on this page to convert specific times.
What cities are in CHAST and WAT?
Cities in CHAST include . Cities in WAT include Lagos, Kano, Ibadan, Abuja, Port Harcourt.
CHAST to WAT Converter | Timezone App