Behaviour of command find... - Raspberry Pi Forums

hi all,
try use command find described here
http://www.howtogeek.com/howto/ubuntu/d ... -on-linux/

behaviour strange...

current files in directory are:

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./domoticz_20161126110002.tar.gz ./sys_20161128080759.tar.gz ./domoticz_20161125101415.tar.gz ./domoticz_20161125110002.tar.gz ./domoticz_20161128080759.tar.gz ./domoticz_20161127110002.tar.gz

timestamp in filename corresponds time of creation of files
if use

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sudo find  -mtime +2 -print

returns nothing
if use

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sudo find  -mtime +1 -print

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./domoticz_20161125101415.tar.gz ./domoticz_20161125110002.tar.gz 

why command return 2 files of 3 days ? , previous 1 no file?
did miss?
thank you.

edit: system is:

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linux raspberrypi 4.4.17+ #901 fri aug 12 17:48:40 bst 2016 armv6l gnu/linux 7.11 raspbian gnu/linux 7 \n \l 

what date of files ?
ls -lt *

raspberrypi