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rails-i18n
Repository for collecting Locale data for Ruby on Rails I18n as well as other interesting, Rails related I18n stuff
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
The Rails Locale Data Repository seems to be the only comprehensive collection of formats but unfortunately I have not seen a single date/time format it uses that is an actual date time format used in the given locale.
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