Hi, 
I encountered problems with the use of timestamps in cygwin. 
May be it's an old problem, I don't know, using essentially files "recently" 
created/modified. 


I want to say after 1970 No problem, but before ... 


To day: 
touch -m -t 190001011200.00 x gives touch: format de date « 190001011200.00 » 
incorrect 
touch -m -t 190101011200.00 x gives ok - with ls -l x: 
-rw-r--r-- 1 user group 0 1 janv. 1910 x 


touch used is well /bin/touch 


By comparison on Ubuntu 18 LTS 
touch -m -t 190001011200.00 x is correct 


I know, timestamps are managed differently in windows and linux. 


I see also with the new windows terminal with ubuntu 
On windows file, like /mnt/c/x (windows is mounted by linux) 
touch -m -t 190001011200.00 x ; echo $? gives 
0 #No error but timestamp is set to 1970-01-01 
On linux file as ~/x, it's correct; 


So, which confidence to have with cygwin about files of timestamp 19xx before 
1970. 
May be it's ok after 1901. The answer is NOT. 
touch -m -t 190101011200.00 x gives sometimes format de date incorrect 


In some windows directories and more problematic, for a same directory, I don't 
understand why. 
May be due to embedded mounts. 


I hope to have been clear enough. 



Thanks for answers.
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