[Python-Dev] TZ-aware local time (original) (raw)
Greg Ewing greg.ewing at canterbury.ac.nz
Wed Jun 6 01:11:38 CEST 2012
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Alexander Belopolsky wrote:
The problem is again the DST ambiguity. One day a year, datetime(y, m, d, 1, 30, tzinfo=Local) represents two different times and another day it represents no valid time.
The documentation example (fixed in issue 9063) addresses the ambiguity by defaulting to standard time, but it does this at a cost of having no way to spell "the other hour."
What would be so bad about giving datetime objects a DST flag? Apps that don't care could ignore it and get results no worse than the status quo.
-- Greg
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