Stockholm is 1 hour behind Addis Ababa
Best overlap: 9:00 AM to 6:00 PM in Addis Ababa is 8:00 AM to 5:00 PM in Stockholm.
Plan around 9:00 AM to 6:00 PM in Addis Ababa, which is 8:00 AM to 5:00 PM in Stockholm, to catch everyone during office hours. Stockholm is 1 hour behind Addis Ababa, but you'd hardly notice — 9 hours of shared hours makes this feel like working in neighbouring time zones. Note that Stockholm follows daylight saving while Addis Ababa stays put, so the times above drift by an hour seasonally.