Johannesburg to London Time
SAST to GMT Converter — 9 AM SAST is 7:00 AM GMT
Johannesburg is 2 hours ahead of London. Convert any time between Johannesburg (SAST) and London (GMT/BST) instantly.
Johannesburg
South Africa
London
United Kingdom
Add Time Zones to Compare
Time Zone Comparison
Johannesburg to London Time Conversion Table
| Johannesburg (SAST) | London (GMT) |
|---|---|
| 12:00 AM | 11:00 PM |
| 2:00 AM | 1:00 AM |
| 4:00 AM | 3:00 AM |
| 6:00 AM | 5:00 AM |
| 8:00 AM | 7:00 AM |
| 10:00 AM | 9:00 AM |
| 12:00 PM | 11:00 AM |
| 2:00 PM | 1:00 PM |
| 4:00 PM | 3:00 PM |
| 6:00 PM | 5:00 PM |
| 8:00 PM | 7:00 PM |
| 10:00 PM | 9:00 PM |
Johannesburg & London — Business & Scheduling Guide
Johannesburg (South Africa) is the most industrialized economy in Africa, with key industries in mining, finance, automotive, and agriculture. London (United Kingdom) is a leading center for finance and international trade, known for finance, insurance, media, and professional services. With a 2-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Johannesburg and London
With only a 2-hour gap, Johannesburg and London have generous overlapping work hours. Morning calls in the earlier time zone align well with mid-day in the other. South African business hours are typically 8 AM–5 PM, with a diverse multilingual business environment. British business culture values politeness and punctuality, with typical hours of 9 AM–5:30 PM. Most teams find that late morning to early afternoon offers the widest window for collaboration.
Daylight Saving Time Considerations
London observes Daylight Saving Time (GMT/BST), while Johannesburg stays on SAST year-round. When London switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
SAST to GMT — Quick Reference
SAST (SAST) stands for the timezone used in Johannesburg, South Africa (UTC+2). GMT (GMT/BST) is the timezone used in London, United Kingdom (UTC+0). Johannesburg is 2 hours ahead of London.
To convert SAST to GMT, subtract 2 hours from SAST time. For example, SAST 9:00 AM = GMT 7:00 AM.
Key Facts
- •Time difference: Johannesburg (UTC+2) is 2 hours ahead of London (UTC+0).
- •Daylight Saving Time: Johannesburg does not observe DST (SAST). London observes DST (GMT/BST).
- •Regions: Johannesburg is located in South Africa and uses the SAST time zone. London is located in United Kingdom and uses the GMT/BST time zone.
- •Best time to call: The best time to call between Johannesburg and London is 11:00 AM to 4:00 PM in Johannesburg time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Johannesburg and London?
Johannesburg is 2 hours ahead of London.
What time is it in London when it's 9 AM in Johannesburg?
When it's 9:00 AM in Johannesburg, it is 7:00 AM in London.
What time is 9 PM SAST in GMT?
9 PM SAST (Johannesburg time) is 7:00 PM GMT (London time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Johannesburg and London?
The best time to schedule a meeting is between 11:00 AM to 4:00 PM in Johannesburg time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert SAST to GMT?
SAST (SAST) is the timezone for Johannesburg, South Africa (UTC+2). GMT (GMT/BST) is the timezone for London, United Kingdom (UTC+0). Johannesburg is 2 hours ahead of London. Quick examples: 9 AM SAST = 7:00 AM GMT, 12 PM SAST = 10:00 AM GMT, 3 PM SAST = 1:00 PM GMT, 6 PM SAST = 4:00 PM GMT.
Is Johannesburg ahead of or behind London?
Johannesburg is 2 hours ahead of London. When it's noon in Johannesburg, it's 10:00 AM in London.
Does Johannesburg or London change clocks for Daylight Saving Time?
No, Johannesburg does not observe DST — it stays on SAST year-round. London observes DST and switches between GMT/BST. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
Related Time Zone Conversions
More from Johannesburg
Convert to London
Working across time zones?
Auto-sync calendar events into your timesheet — no matter what time zone your team is in. Connect Google Calendar, Teams, or Zoom and export a polished timesheet in seconds.
No credit card required. Free forever plan available.