Johannesburg to CDT
-7hJohannesburg
SASTSOURCECDT
CDTGreen rows indicate typical business hours (9 AM - 5 PM)
SAST and CDT on the World Map
The map below highlights the SAST (South Africa Standard Time) and CDT (Central Daylight Time) timezone regions across the globe.
SAST – South Africa Standard Time
UTC+02:00South Africa Standard Time (SAST) is the time zone for South Africa and neighboring countries, 2 hours ahead of UTC.
- •South Africa does not observe daylight saving time.
- •SAST is the same offset as EET and Israel Standard Time.
- •The Johannesburg Stock Exchange (JSE) is Africa's largest.
CDT – Central Daylight Time
UTC-05:00Central Daylight Time (CDT) is the daylight saving offset in the Central Time Zone, 5 hours behind UTC.
- •CDT is the same offset as EST (UTC-05:00), which can cause confusion.
- •CDT runs from the second Sunday in March to the first Sunday in November.
About Johannesburg
WikipediaJohannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.
Johannesburg is built on the world's largest gold deposit.
Everything You Need to Know About Johannesburg and CDT Time
Johannesburg runs on South Africa Standard Time (SAST) at UTC+02:00. CDT runs on Central Daylight Time (CDT) at UTC-05:00. That puts Johannesburg 7 hours behind CDT — a difference of -7h at the current offsets.
In practice, when it is 9:00 AM in Johannesburg it is 2:00 AM in CDT. Midnight in Johannesburg is 5:00 PM in CDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Johannesburg to CDT time conversion table
| Johannesburg (SAST) | CDT (CDT) | Day |
|---|---|---|
| 12:00 AM | 5:00 PM | previous day |
| 6:00 AM | 11:00 PM | previous day |
| 7:00 AM | 12:00 AM | same day |
| 8:00 AM | 1:00 AM | same day |
| 9:00 AM | 2:00 AM | same day |
| 12:00 PM | 5:00 AM | same day |
| 3:00 PM | 8:00 AM | same day |
| 5:00 PM | 10:00 AM | same day |
| 6:00 PM | 11:00 AM | same day |
| 9:00 PM | 2:00 PM | same day |
Why people convert Johannesburg to CDT time
- Scheduling a call from Johannesburg to CDT: a 10:00 AM start in Johannesburg lands at 3:00 AM in CDT, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Johannesburg and CDT are inside the 9-to-5 working day between 4:00 PM and 5:00 PM SAST time (9:00 AM–10:00 AM CDT). That is roughly 1 hours of usable overlap.
- Keeping family and friends in sync: knowing that 8:00 PM in Johannesburg is 1:00 PM in CDT makes it easy to avoid calling at 3 AM.
- Always state the zone abbreviation, not just the hour. "3:00 PM SAST" is unambiguous; "3 PM" across a -7h gap is not.
- Block 4:00 PM–5:00 PM SAST as the recurring meeting window if you work primarily from Johannesburg and need CDT colleagues present.
About SAST (South Africa Standard Time)
South Africa Standard Time (SAST) is used in South Africa, Lesotho, and Eswatini. SAST does not observe daylight saving time. Johannesburg and Cape Town are major economic hubs in Africa.
About CDT (Central Daylight Time)
Central Daylight Time (CDT) is observed during summer months in the US and Canadian portions of the Central Time Zone. Clocks are moved forward by one hour, aligning with Eastern Standard Time (EST). Most of Mexico and Central America do not observe CDT, staying on CST year-round.
Best time to call between Johannesburg and CDT
Both Johannesburg and CDT sit inside the 9 AM – 5 PM working day between 4:00 PM–5:00 PM SAST, which is 9:00 AM–10:00 AM CDT. That gives roughly 1 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Johannesburg and CDT overlap for only 60 minutes (4:00 PM–5:00 PM SAST), so meetings have to be booked precisely.
Johannesburg is 7 hours behind CDT (SAST UTC+02:00 → CDT UTC-05:00). The shared working window is 4:00 PM–5:00 PM SAST. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
Johannesburg
Does not observe DST
CDT
☀ Currently in DST
Standard: UTC-06:00 · DST: UTC-05:00
Clocks fall back on Sun, Nov 1, 2026
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between Johannesburg and CDT?
Johannesburg (SAST, UTC+02:00) is 7 hours behind CDT (CDT, UTC-05:00). The gap is currently -7h.
How do I convert Johannesburg time to CDT time?
Add -7h to Johannesburg local time. For example, 9:00 AM in Johannesburg is 2:00 AM in CDT.
What time is it in CDT right now?
CDT uses CDT at UTC-05:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -7h offset from Johannesburg.
What is the best time to call CDT from Johannesburg?
Call between 4:00 PM and 5:00 PM SAST — that maps to 9:00 AM–10:00 AM CDT and keeps both parties inside the working day.
Which is behind, Johannesburg or CDT?
Johannesburg is 7 hours behind CDT. When it is 12:00 PM in Johannesburg it is 5:00 AM in CDT.
Do Johannesburg and CDT use different time zones?
Johannesburg (South Africa) uses SAST at UTC+02:00, while CDT uses CDT at UTC-05:00. The IANA identifiers are Africa/Johannesburg and America/Chicago.
Does daylight saving time affect the Johannesburg–CDT difference?
Neither zone observes daylight saving time, so the -7h offset between Johannesburg and CDT is fixed all year.
Which other cities share Johannesburg's time zone?
SAST also covers Johannesburg, Cape Town, Durban, Pretoria, Port Elizabeth.
Which countries use SAST, Johannesburg's zone?
SAST is used in South Africa, Lesotho, Eswatini.
Is there a day difference between Johannesburg and CDT?
Not normally. The -7h gap only pushes the date over the previous day.
What is the time difference between Johannesburg and CDT?
CDT is -7h from Johannesburg.
What timezone is Johannesburg in?
Johannesburg operates on South Africa Time (SAST), UTC+2. As Africa's largest economy hub and home to the JSE, Johannesburg drives African financial markets.
What timezone is CDT in?
CDT operates on its local timezone.
What are the business hours in Johannesburg?
Standard business hours in Johannesburg are 8:00 AM - 5:00 PM SAST.
Which countries use SAST (South Africa Standard Time)?
SAST is used in South Africa, Lesotho, Eswatini.
Does SAST observe daylight saving time?
No, SAST does not observe daylight saving time and remains at UTC+02:00 year-round.
What are some interesting facts about SAST?
South Africa does not observe daylight saving time. SAST is the same offset as EET and Israel Standard Time.
Which cities are in the CDT timezone?
Major cities in the CDT timezone include Chicago, Houston, Dallas, Austin, Winnipeg, Nashville.
What is the UTC offset for CDT?
Central Daylight Time (CDT) is at UTC-05:00. During daylight saving time, it shifts to CST.
What should I know about the CDT timezone?
CDT is the same offset as EST (UTC-05:00), which can cause confusion. CDT runs from the second Sunday in March to the first Sunday in November.
When is it midnight in Johannesburg, what time is it in CDT?
When it is 12:00 AM (midnight) in Johannesburg (SAST), it is -7h later in CDT (CDT).
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