Zone NAME STDOFF RULES FORMAT [UNTIL]
Africa/Johannesburg
Time zone identifier: Africa/Johannesburg
Current civil offset: +02:00 (SAST)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1892-02-07
Local Mean Time (LMT): +01:52 based on geographic meridian
Total recorded transitions: 6 transitions across 4 distinct offsets
Associated countries: LS, SZ, ZA
Aliases (Link targets): Africa/Maseru, Africa/Mbabane
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Historical Offset Step Chart (1880 to Present)
Text summary: Africa/Johannesburg shifted between 4 distinct offsets from 1892-02-07 through the modern era.
Complete Transition History (6 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1892-02-07T22:08:00Z | 1892-02-07 23:38:00 | +01:52 → +01:30 | SAST | No | overlap |
1903-02-28T22:30:00Z | 1903-03-01 00:30:00 | +01:30 → +02:00 | SAST | No | gap |
1942-09-20T00:00:00Z | 1942-09-20 03:00:00 | +02:00 → +03:00 | SAST | Yes | gap |
1943-03-20T23:00:00Z | 1943-03-21 01:00:00 | +03:00 → +02:00 | SAST | No | overlap |
1943-09-19T00:00:00Z | 1943-09-19 03:00:00 | +02:00 → +03:00 | SAST | Yes | gap |
1944-03-18T23:00:00Z | 1944-03-19 01:00:00 | +03:00 → +02:00 | SAST | No | overlap |
Notes from the Maintainers
Years on Record
Methodology Note: The 1970 Rule
tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.
africa(Lines 1185 to 1185)