Changes to timezone changes can be quite abrupt too, this one was announced about 3 months before it took effect. Developers scramble to update software. https

Changes to timezone changes can be quite abrupt too, this one was announced about 3 months before it took effect. Developers scramble to update software. https://www.bbc.com/news/blogs-news-from-elsewhere-28423647 https://www.bbc.com/news/blogs-news-from-elsewhere-28423647 https://mm.icann.org/pipermail/tz/2014-July/021104.html https://mm.icann.org/pipermail/tz/2014-July/021104.html