Starting ZOC (Command Line Parameters and Environment) → Environment Variables

ZOC uses the TZ environment variable to correct the file date transmitted by Zmodem.

Zmodem was developed with Unix in mind, where time stamps (file date/time) are always stored in Greenwich time and where local time is calculated by the dir command. This way a file always carries the correct local time, even if shipped on disk around the globe. However, the HPFS file system knows nothing about the time zones which are still part of Zmodem. Most MS-DOS systems emulate the time zone in one way or another, mostly by using Eastern Standard Time (5 hours west of Greenwich) as a default; files received from such senders get the correct time when received by ZOC. However, some hosts use other time zones. If you want to adapt your time zone setting to such hosts, you should add the TZ environment variable to your CONFIG.SYS.

To do this use SET TZ=<SSS><N><DDD> where <SSS> is a 3-char standard time code, <N> is the time difference from Greenwich and <DDD> is a 3-char daylight saving time code, for example use SET TZ=EST5EDT for Eastern Standard Time (which is the default) or TZ=CET2CDT for Central European Time.

 
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