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Script to find out first day of our calender

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Operating Systems Linux Fedora Script to find out first day of our calender
# 1  
Old 03-11-2010
Script to find out first day of our calender
I try to find the first day of our calender. So I used this script ...

echo -n "The week of the date 01jan0001 : "
echo -n `date -d 00010101 +%A`
echo


But its shows error

bash-3.1$ sh first_day.shThe week of the date 01jan0001 : date: invalid date `00010101'
# 2  
Old 03-11-2010
Yo uhave a lot of assumptions that are correct.

However, try
Code:
cal 1

Our current calendar - the gragorian - started at different time in different countries - starting in October 1582.

the calendar in effect in the year "1" - which there was not one of on the calendar in effect at the time - was the the progenitor of the Julian calendar.

Gregorian calendar - Wikipedia, the free encyclopedia
# 3  
Old 03-11-2010
I tried the same script in another system fedora 11, it works... but mine is Slackware...
shows the following errors...

echo -n "The week of the date 01jan0001 : "
echo -n `date -d 00010101 +%A`
echo

bash-3.1$ sh first_day.sh
The week of the date 01jan0001 : date: invalid date `00010101'

bash-3.1$

Anyway How to find out which day of the week was the beginning of our calender?
If it is Saturday, I just wanna display "Saturday"

Thanking you.Smilie
# 4  
Old 03-12-2010
Quote:
I tried the same script in another system fedora 11, it works..
Out of curiosity, I tested it on Fedora 12. The output was:
Quote:
Mon Jan 1 00:00:00 LMT 0001
which was interesting. I have no clue what LMT 0001 means. Does not show up in the coreutils date source code.

The reality is that any output from the date command is meaningless. There was no concept of calendar months or even calendar years as we know them today in that era.
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