My Linux system is set to use daylight savings time, and timestamps on files on my filesystems are correct throughout the year. However, I frequently have occasion to mount a flash card from a system which does not use daylight savings. Linux interprets the timestamps on that system as if it also used daylight savings time, which leads to inconsistent results for files on opposite sides of a daylight savings time transition. Is there any way to instruct Linux to ignore daylight saving time on that one filesystem?

Details: the flash card is a vfat system; my Linux is Fedora 20.

Hi,

as far as I know this is not a filesystem issue but an OS issue. Your Fedora system knows about timezones and summer time, while presumably you've been using your flash card on a "dumb" system (a camera or something?) that only knows about "localtime".

Evo2.

Closest thing I could find is to set up that other system to use UTC and mount that flash card with the "tz=UTC" option.

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Thanks for your comments. I guess I'll just have to do it the hard way -- check each time stamp for DST, and modifiy it based on whether this differs from the current DST status.