Johannesburg
Chicago
Convert SAST to CST
South Africa Standard Time to Central Standard Time — Chicago is 7 hours behind Johannesburg
Quick Facts
Time Difference
-7 hours
SAST Full Name
South Africa Standard Time
CST Full Name
Central Standard Time
SAST to CST Conversion Table
Related Conversions
About SAST and CST Time Zones
SAST (South Africa Standard Time) is UTC+2 and covers cities like Johannesburg, Cape Town, Durban. CST (Central Standard Time) is UTC-6 and covers cities like Chicago, Dallas, Houston.
When it's 12:00 PM (noon) in Johannesburg (SAST), it's 5:00 AM in Chicago (CST). The time difference between SAST and CST is 7 hours — Chicago is behind Johannesburg.
The 8-hour difference makes real-time overlap challenging — early morning calls (7–9 AM SAST) work best.
Daylight Saving Time
CST observes Daylight Saving Time and becomes CDT (Central Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC-5.
During DST transitions, the time difference between SAST and CST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Johannesburg and Chicago with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between SAST and CST?
Chicago (CST) is 7 hours behind Johannesburg (SAST). The offset is -7 hours.
Is CST ahead or behind SAST?
CST is 7 hours behind SAST. SAST is UTC+2 and CST is UTC-5.
When it's 12:00 PM in Johannesburg, what time is it in Chicago?
When it's 12:00 PM (noon) in Johannesburg (SAST), it's 5:00 AM in Chicago (CST).
When it's 5:00 PM in Johannesburg, what time is it in Chicago?
When it's 5:00 PM in Johannesburg (SAST), it's 10:00 AM in Chicago (CST).
Does CST change for Daylight Saving Time?
Yes. CST (Central Standard Time, UTC-6) becomes CDT (Central Daylight Time, UTC-5) in summer, shifting clocks forward 1 hour.