Time Libraries Rough Draft

[Ashley Yakeley]

In article <5.1.0.14.2.20050210150449.0208fd50 at 127.0.0.1>,
 Graham Klyne <GK at ninebynine.org> wrote:

> Hmmm... I would be inclined to separate basic calendrical calulations from 
> timezones (as opposed to timezone offsets).  Prior to RFC3339, work in this 
> area was bogged down in the comlexities of timezones... it was by 
> separating them that we were able to come to consensus on the basics 
> required for timestamping.

The most obvious functions in Calendar are going to be these:

  utcToCalendar :: TimeZone -> UTCTime -> CalendarTime
  calendarToUTC :: TimeZone -> CalendarTime -> UTCTime

But by TimeZone I mean a fixed offset to UTC, so perhaps TimeOffset is a 
better name.

-- 
Ashley Yakeley, Seattle WA