Edited On Wednesday, 25 January 2017 05:42:40 UTC-8, Denis Pujdak wrote: > > To be understood DateTimeOffset has an offset not timezone (e.g. -08:00) > For different countries the daylight saving time can be different. If > local time is 2016-03-15 12:00am then the UTC for different countries can > be different (08:00pm or 07:00pm) in DST period. So in this case the UTC I > can get from DateTimeOffset could be wrong because I don't know for which > country (TimeZone) is it. > > E.g. > (UTC-08:00) Pacific Time (US and Canada), DST: Second Sunday March <-> > First Sunday November > and > (UTC-08:00) Baja California, DST: First Sunday April <-> Last Sunday > October > > That's reason why we cannot use DateTimeOffset for instant values. > > > On Wednesday, 25 January 2017 11:09:45 UTC, Denis Pujdak wrote: >> >> From >> http://blog.nodatime.org/2011/08/what-wrong-with-datetime-anyway.html >> >> *DateTimeOffset also isn't a good type to use if you want to tie yourself >> to a specific time zone, because it has no idea of the time zone which gave >> the relevant offset in the first place. As of .NET 3.5 there's a pretty >> reasonable TimeZoneInfo class, but no type which talks about "a local time >> in a particular time zone". So with DateTimeOffset you know what that >> particular time is in some unspecified time zone, but you don't know what >> the local time will be a minute later, as the offset for that time zone >> could change (usually due to daylight saving time changes).* >> >> >> On Tuesday, 24 January 2017 19:48:26 UTC, Oskar Berggren wrote: >>> >>> >>> By the way, "Instant" sounds closely related to the existing .Net type >>> DateTimeOffset. >>> >>> /Oskar >>> >>>
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