Help in Identifying Year on Saudi Coin

Howdy,

I have a Saudi Coin, KM# 40; Ghirsh and I can't find out the year. Maybe someone can help me.

Thanks.

Images:

1.) Front



2.) Back

 

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The date is below the number 1 on the second pic, 1378AH which translates to 1958.

 

Great. Thanks for the information.

 

I believe this coin is 1961.

The formula that I know of is the following...

Arabic numerals ۰,۱,۲,۳,۴,۵,۶,۷,۸,۹ (0,1,2,3,4,5,6,7,8,9)

Your coin = ۱۳۷۸ = 1378

​

622 + [(Arabic Date) - (Round(Arabic Date x .028))] = AD Year
=> 622 +[(1378) - (ROUND(.028*1378))]
=> 622 +[1378 - 39]
=> 622 +[1339]
=> 1961

 

The difference may be because I've read that some folks round to .03 from .028.

How come 3% in the first place?

Muslim calendar years are 2.8% (11 days) shorter than Gregorian/Julian years.

 

http://www.oriold.uzh.ch/static/hegira.html
I skip all that math and use a web based converter, it says 1958.

 

:thumb:

 

As (rdwarrior) said it's 1958.
I am an Arab and i can read and convert the Hijry date.

 

AH1378 began on July 18th 1958

Yours is is KM# 40

 

Arabic numbers are ٠/١/٢/٣/٤/٥/٦/٧/٨/٩

 

Typo. thakns.

 

Any time =)

 

Welcome Senio0orita. We need more folks with talents for language.

 

I can help

If you need any translation i can read Arabic and some (Persian, old Turkish, Urdu) anything with Arabic letters.