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Leap Second Handling
Message
From
01/07/2012 07:22:34
 
 
General information
Forum:
Visual FoxPro
Category:
Other
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows Server 2003
Miscellaneous
Thread ID:
01547367
Message ID:
01547377
Views:
64
>If a second is being added then shouldn't gt + 1 yield 01/07/2012 00:00:01 ?
>
>Update: Not enough coffee.... So gt+1 should still be 30/06/02012 23:59:59 ?

Saw it on TV - the display goes from 2012-06-30 23:59:59 to 2012-06-30 23:59:60 and then to 2012-07-01 00:00:00


>>A leap second is being added at midnight tonight, June 30 2012. VFP (and probably most of the world's software) doesn't handle it properly:
>>
>>gt = {^2012-06-30 23:59:59}
>>?gt + 1 && returns 2012-07-01 00:00:00
>>* It should return 2012-06-30 23:59:60
>>
>>Just a little something (i.e. huge can of worms) to be aware of if you need second-accurate time calculations that span the leap second.
>>
>>Some systems are weirdly affected and may crash. For instance, the last leap second caused the SlashDot web site to crash: http://it.slashdot.org/story/12/06/30/2123248/the-leap-second-is-here-are-your-systems-ready
Gregory
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