[tz] why do Africa/Juba and backzone/Africa/Juba differ?
michael.h.deckers at googlemail.com
Tue Oct 24 11:40:11 UTC 2017
Puzzles me in 2017c:
Africa/Juba and backzone/Africa/Juba differ
in their astronomical longitudes:
in zone1970.tab: SS +0451+03137 Africa/Juba
in zone.tab: SS +0451+03136 Africa/Juba
and (correspondingly) in the local mean time used
before the switch to zone time in 1931:
in africa: Zone Africa/Juba 2:06:28 - LMT 1931
in backzone: Zone Africa/Juba 2:06:24 - LMT 1931
Why? And do we need the backzone entry at all?
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