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I was trying to figure out a friend’s birthdate conversion. Her Birthday is July 28, 1954. The program came up Tammuz but we are in the month of AV the 5th moon? Something is not right, I thought you might like to know. Thanks for reading, Dori

Dori 4 years ago updated by Michael J. Radwin 10 months ago 2

Your converter has some glitches.  July 28 1954 would have been in the 5th moon Av not Tammuz

Answered

Hi, according to our Hebrew Date Converter page

https://www.hebcal.com/converter?gd=28&gm=7&gy=1958&g2h=1

Mon, 28 July 1958 = 11th of Av, 5718

    Hope this helps!

    The Gregorian and Hebrew calendars are out of sync, as one is solar and the other is lunar.  In 1954, the 28th of July corresponded to 27 Tammuz.  This is different every year.  This year (2018) the 28th of July corresponded to 16 Av, but your friend's Hebrew birthday is indeed 27 Tammuz, as that is the date she was born in 1954 (Hebrew year 5714).  So her Hebrew birthday is always 27 Tammuz, which will very often not fall on or even near July 28th - this year it was July 10th.  She may celebrate whichever one she wants, or both if she wishes!   (If she she was born after sunset on July 28th then her Hebrew birthday is actually 28 Tammuz.)