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Time of day in z/OS system dump is different by 30 minutes

Question & Answer


Question

I am looking at a z/OS system dump and the dump time (formatted using an IPCS STATUS SYSTEM or ST SYS command) shows a GMT time that is several hours and thirty minutes (a half hour) different than the local time. Why is there a difference of 30 minutes, in addition to the expected hours in the system dump?

Here is an example of what the times look like:

TIME OF DAY CLOCK: CF27B0BF 62BD6480 06/26/2015 12:20:16.109526 local
TIME OF DAY CLOCK: CF2766FC A25D6480 06/26/2015 06:50:16.109526 GMT
Program Producing Dump: SVCDUMP
Program Requesting Dump: IEAVTSDT

Incident token: PLEX PLEX1 06/26/2015 06:50:14.977405 GMT

Answer

Some countries (like India, Newfoundland, Venezuela, etc) follow half hour and other nonstandard time zones. See this URL:

http://www.timeanddate.com/time/time-zones-interesting.html

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Platform":[{"code":"PF035","label":"z\/OS"}],"Component":"Dump","Version":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]

Product Synonym

CICS/TS CICSTS CICS TS CICS Transaction Server

Document Information

Modified date:
29 June 2015

UID

dwa1199293