May 2018
Intermediate to advanced
328 pages
8h 15m
English
Content preview from The Modern C++ Challenge
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43. Meeting time for multiple time zones
To work with time zones, you must use the tz.h header of the date library. However, this needs the IANA Time Zone Database to be downloaded and uncompressed on your machine.
This is how to prepare the time zone database for the date library:
- Download the latest version of the database from https://www.iana.org/time-zones. Currently, the latest version is called tzdata2017c.tar.gz.
- Uncompress this to any location on your machine, in a subdirectory called tzdata. Let's suppose the parent directory is c:\work\challenges\libs\date (on a Windows machine); this will have a sub directory called tzdata.
- For Windows, you need to download a file called windowsZones.xml, containing mappings of Windows time zones ...
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