Washington, D.C. is 6 hours behind Johannesburg
Best overlap: 2:00 PM to 6:00 PM in Johannesburg is 8:00 AM to 12:00 PM in Washington, D.C..
Both teams are at their desks between 2:00 PM to 6:00 PM in Johannesburg and 8:00 AM to 12:00 PM in Washington, D.C.. With about 4 hours of overlap, there's comfortable room for a daily stand-up — 2:00 PM in Johannesburg / 8:00 AM in Washington, D.C. works well. Note the seasonal wrinkle: when Washington, D.C. is on daylight saving and Johannesburg isn't, the gap between them grows or shrinks by an hour.