Offset
The time difference between Johannesburg and Ottawa is 6 hours.
Johannesburg (SAST) is ahead of Ottawa (EDT).
SAST: UTC+2
EDT: UTC-4
Ottawa is currently observing daylight saving time; Johannesburg is not.
When to schedule
Business-hours overlap: 3 PM–5 PM in Johannesburg (9 AM–11 AM in Ottawa).
Both teams are in working hours during this window on weekdays.
Suggested time: 4:00 PM Johannesburg (10:00 AM Ottawa).
This window may shift by an hour during daylight saving time.
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.
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
Canada
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Victoria DayMon, May 18
- Canada DayWed, Jul 1
- Labour DayMon, Sep 7
- National Day for Truth and ReconciliationWed, Sep 30
- ThanksgivingMon, Oct 12
- Christmas DayFri, Dec 25
About these zones
Johannesburg uses South Africa Time (SAST). To call South Africa, dial +27.
Ottawa uses Eastern Time (EST, or EDT). To call Canada, dial +1.
Ottawa is approximately 8,150 miles northwest of Johannesburg.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Johannesburg | Ottawa | Day |
|---|---|---|
| 12:00 am | 6:00 pm | -1 day |
| 1:00 am | 7:00 pm | -1 day |
| 2:00 am | 8:00 pm | -1 day |
| 3:00 am | 9:00 pm | -1 day |
| 4:00 am | 10:00 pm | -1 day |
| 5:00 am | 11:00 pm | -1 day |
| 6:00 am | 12:00 am | Same day |
| 7:00 am | 1:00 am | Same day |
| 8:00 am | 2:00 am | Same day |
| 9:00 am | 3:00 am | Same day |
| 10:00 am | 4:00 am | Same day |
| 11:00 am | 5:00 am | Same day |
| 12:00 pm | 6:00 am | Same day |
| 1:00 pm | 7:00 am | Same day |
| 2:00 pm | 8:00 am | Same day |
| 3:00 pm | 9:00 am | Same day |
| 4:00 pm | 10:00 am | Same day |
| 5:00 pm | 11:00 am | Same day |
| 6:00 pm | 12:00 pm | Same day |
| 7:00 pm | 1:00 pm | Same day |
| 8:00 pm | 2:00 pm | Same day |
| 9:00 pm | 3:00 pm | Same day |
| 10:00 pm | 4:00 pm | Same day |
| 11:00 pm | 5:00 pm | Same day |
Daylight saving time
Ottawa observes daylight saving time; Johannesburg does not. The offset between the two zones changes when Ottawa transitions: on Sunday, November 1, 2026, clocks fall back from EDT to EST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:51 AM
- Sunset
- 5:24 PM
- Day length
- 10h 33m
- Sunrise
- 5:16 AM
- Sunset
- 8:49 PM
- Day length
- 15h 33m
Cities in these zones
Other cities in South Africa Time
Other cities in Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in South Africa Time
- HLA
- JNB
- CPT
- DUR
Airports in Eastern Time
- YTZ
- YYZ
- YHU
- YMX
- YUL
- YND
- YOW
- YRO
Related conversions
Common conversions
- What is 9:00 am Johannesburg in Ottawa?
- 9:00 am Johannesburg is 3:00 am Ottawa.
- What is 12:00 pm Johannesburg in Ottawa?
- 12:00 pm Johannesburg is 6:00 am Ottawa.
- What is 12:30 pm Johannesburg in Ottawa?
- 12:30 pm Johannesburg is 6:30 am Ottawa.
- What is 2:00 pm Johannesburg in Ottawa?
- 2:00 pm Johannesburg is 8:00 am Ottawa.
- What is 5:00 pm Johannesburg in Ottawa?
- 5:00 pm Johannesburg is 11:00 am Ottawa.
- What is 11:30 pm Johannesburg in Ottawa?
- 11:30 pm Johannesburg is 5:30 pm Ottawa.