Offset
The time difference between Monterrey and Johannesburg is 8 hours.
Monterrey (CST) is behind Johannesburg (SAST).
CST: UTC-6
SAST: UTC+2
Neither Monterrey nor Johannesburg is currently observing daylight saving time.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Monterrey and Johannesburg don't overlap on the same weekday. Johannesburg is 8 hours ahead of Monterrey.
With some flexibility, there’s a workable window outside standard hours:
- 7 AM–12 PM in Monterrey (3 PM–8 PM in Johannesburg) — suggest 9:00 AM Monterrey (5:00 PM Johannesburg).
This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Mexico
- New Year's DayThu, Jan 1
- Constitution DayMon, Feb 2
- Benito Juárez's birthdayMon, Mar 16
- Maundy ThursdayThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- Independence DayWed, Sep 16
- Revolution DayMon, Nov 16
- Christmas DayFri, Dec 25
South Africa
- New Year's DayThu, Jan 1
- Human Rights DaySat, Mar 21
- Good FridayFri, Apr 3
- Family DayMon, Apr 6
- Freedom DayMon, Apr 27
- Workers' DayFri, May 1
- Youth DayTue, Jun 16
- National Women's DayMon, Aug 10
- Heritage DayThu, Sep 24
- Day of ReconciliationWed, Dec 16
- Christmas DayFri, Dec 25
- Day of GoodwillSat, Dec 26
About these zones
Monterrey uses Central Standard Time. To call Mexico, dial +52.
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Johannesburg is approximately 9,250 miles east of Monterrey.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Monterrey | Johannesburg | Day |
|---|---|---|
| 12:00 am | 8:00 am | Same day |
| 1:00 am | 9:00 am | Same day |
| 2:00 am | 10:00 am | Same day |
| 3:00 am | 11:00 am | Same day |
| 4:00 am | 12:00 pm | Same day |
| 5:00 am | 1:00 pm | Same day |
| 6:00 am | 2:00 pm | Same day |
| 7:00 am | 3:00 pm | Same day |
| 8:00 am | 4:00 pm | Same day |
| 9:00 am | 5:00 pm | Same day |
| 10:00 am | 6:00 pm | Same day |
| 11:00 am | 7:00 pm | Same day |
| 12:00 pm | 8:00 pm | Same day |
| 1:00 pm | 9:00 pm | Same day |
| 2:00 pm | 10:00 pm | Same day |
| 3:00 pm | 11:00 pm | Same day |
| 4:00 pm | 12:00 am | +1 day |
| 5:00 pm | 1:00 am | +1 day |
| 6:00 pm | 2:00 am | +1 day |
| 7:00 pm | 3:00 am | +1 day |
| 8:00 pm | 4:00 am | +1 day |
| 9:00 pm | 5:00 am | +1 day |
| 10:00 pm | 6:00 am | +1 day |
| 11:00 pm | 7:00 am | +1 day |
Daylight saving time
Neither Monterrey nor Johannesburg observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:50 AM
- Sunset
- 7:32 PM
- Day length
- 13h 41m
- Sunrise
- 6:51 AM
- Sunset
- 5:24 PM
- Day length
- 10h 33m
Cities in these zones
Other cities in South Africa Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Central Standard Time
- MTY
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Related conversions
Common conversions
- What is 9:00 am Monterrey in Johannesburg?
- 9:00 am Monterrey is 5:00 pm Johannesburg.
- What is 12:00 pm Monterrey in Johannesburg?
- 12:00 pm Monterrey is 8:00 pm Johannesburg.
- What is 12:30 pm Monterrey in Johannesburg?
- 12:30 pm Monterrey is 8:30 pm Johannesburg.
- What is 2:00 pm Monterrey in Johannesburg?
- 2:00 pm Monterrey is 10:00 pm Johannesburg.
- What is 5:00 pm Monterrey in Johannesburg?
- 5:00 pm Monterrey is 1:00 am Johannesburg, the next day.
- What is 11:30 pm Monterrey in Johannesburg?
- 11:30 pm Monterrey is 7:30 am Johannesburg, the next day.