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IE: I'm on Ubuntu 18.04 And looking at /usr/share/zoneinfo, But all the files seem to be written with binary, I would like to get the actual information from the file so any help is greatly appreciated.

(For more info): I have the goal of taking time zone information / history and putting them into a relational database, So I believe learning how to do this might help with that.

Carter
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    Wouldn't it be easier to retrieve this data from https://www.iana.org/time-zones ? – FedKad Apr 16 '20 at 20:20
  • Yes I actually found this data but now when running ./Makefile i get a bunch of errors. Not quite sure what to do there. It says not too much configuration is need and that you may leave some variables empty but throws an error – Carter Apr 16 '20 at 21:11
  • The format has a man page: man -s 5 tzfile. You might need to write some C to extract it. Alternatively. you can od (octal dump) it in multiple formats and pick out the chars, ints and longs in awk. I can try that if you wish. – Paul_Pedant Apr 17 '20 at 10:03
  • man tzfile notes the file it describes may not be authoritative: "It may only be in glibc just to support the non-glibc-maintained timezone data (which is maintained by some other entity)." – Paul_Pedant Apr 17 '20 at 15:30
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    Related: timezone: how to get the rules – Mark Plotnick Apr 18 '20 at 14:19

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