Simon Willison’s Weblog

Entries tagged openstreetmap

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Building a location to time zone API with SpatiaLite, OpenStreetMap and Datasette

Given a latitude and longitude, how can we tell what time zone that point lies within? Here’s how I built a simple JSON API to answer that question, using a combination of data from OpenStreetMap, the SpatiaLite extension for SQLite and my Datasette API tool.

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Hack Day tools for non-developers

We’re about to run our second internal hack day at the Guardian. The first was an enormous amount of fun and the second one looks set to be even more productive.

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