xlsx with 2 datetime notation: 1 works fine and another is empty in Calc
numfmt_create.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet), 4.43 KB, created by Falcon on 2016-07-09 10:16:05 UTC
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Creator: Falcon
Created: 2016-07-09 10:16:05 UTC
Size: 4.43 KB

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Attachments on bug 100822: 126132