ART to CHAST Converter
Chatham Islands (CHAST / CHADT) is 16.75 hours ahead of Argentina Time (ART).
Quick Reference
- Argentina Time
- ART (GMT-3)
No Daylight Saving Time
- Chatham Islands
- GMT+13:45
GMT+12:45 starts on Apr 4, 2026
Cities in ART
Cities in CHAST
Frequently Asked Questions
- What is the difference between ART and CHAST?
- CHAST is 16.75 hours ahead of ART.
- How do I convert ART to CHAST?
- To convert from ART to CHAST, add 16.75 hours. Use the interactive converter on this page to convert specific times.
- What cities are in ART and CHAST?
- Cities in ART include Buenos Aires, Mar del Plata, La Plata. Cities in CHAST include .