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Get File Safe Dates and Times

At times you will need or wish to use date and time information in file or folder names (logs etc), this is one way:

@echo off
for /F "tokens=1,2,3,4 delims=/ " %%i in ('date /T') do set YYYYMMDDDay=%%l-%%k-%%j (%%i)
for /F "tokens=1,2     delims=:"  %%i in ('time /T') do set hhmm=%%i_%%j

echo YYYYMMDDDay: %YYYYMMDDDay%  (In Australia anyway, we use DD/MM/YYYY)
echo hhmm       : %hhmm%

And this is another which uses the "String Replacement" tip:

echo DATE-SAFE "%date:/=-%" (date env var with "/" replaced by "-")
echo TIME-SAFE "%time::=_%" (time env var with ":" replaced by "_")

You may also wish to have a look at the "Get Day, Month, and Year" section.

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