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Subject: [Boost-users] Specifying daylight savings start/end in zone spec CSV file.
From: Jason Cipriani (jason.cipriani_at_[hidden])
Date: 2009-05-04 03:31:38

The timezone data file used by boost::local_time::tz_database is described here:

My question is: Should the DST start time be specified in local time
with or without DST applied? What about the DST end time? For example,
America/New_York's start time is 2:00 AM. Is that 2:00 AM EST, or EDT?
The end time is similar.

The documentation says that the start time and end time is the "number
of hours past midnight"; so I'm assuming that the start time is in
non-DST, and the end time is in DST, but I just want to make sure.


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