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Britain uses GMT only during winter. In summer it's BST (British Summer Time). The fact that calendar clients can't determine a timezone for a given jurisdicti
by r00fus 4y ago
Britain uses GMT only during winter. In summer it's BST (British Summer Time). The fact that calendar clients can't determine a timezone for a given jurisdiction on a given day is actually something that I hate.
https://en.wikipedia.org/wiki/British_Summer_Time https://en.wikipedia.org/wiki/British_Summer_Time
- NateEag 4y agoI have never had an opportunity to deploy this tool, but here's a program for generating a TZ shapefile from OpenStreetMap data: https://github.com/evansiroky/timezone-boundary-builder https://github.com/evansiroky/timezone-boundary-builder In principle a calendar program could use its output to perform GIS lookups of locations then use the tzinfo DB to get the correct timezone at the given location and specified time.