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by ordu
2686 days ago
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> Are you aware that dates does not get influenced by timezones, right? Yeah, but the situation is worse than that. Weeks boundaries are influenced by a locale. What is the first day of the week? Sunday? Monday? I know that in russia a week starts with a monday. I know also that in en locales it is not the case, I was never able to understand english calendars, so the very first thing I do is fixing locale to see a "proper" calendar which I can understand. Notice that there are no hints where is sunday and where is monday, you make a decision what is what based on data layout in a two-dimensional grid. For example, I read the screenshot in the tweet as Feb 2 is a Friday, not Thursday. This leads me to a hypothesis what happened with AirAsia. They messed up locale dependant calculation of a week boundary. Like they added 1 instead of subtracting it, or maybe they applied the locale dependant shift of a week bondary twice, or made some other software bug like that. |
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