The Rebbe’s wedding on 14th going into the 15th, so it’s still 1 day off

Different birthdates were used to evade the military draft.

If you convert the date from the Julian calendar to the Gregorian calendar it comes out to Nov. 26 which is 13 Kislev, and after Shkia would be the 14th.

Interesting to note too. That the Chasuna is listed which was on November 13, 1928. Which comes out to as, ל׳ חשון תרפ״ט. Aprox 2 weeks before the actual date.

Wouldn’t explain the Rebbe’s birthday listed as seven years before we know his birthday to be

Fairly common in those days for ppl to have their legal birthday as different then the day they were born, for various reasons, such as the army for example. The Rebbe made reference once in Yechidus to being “an old friend, not as old as it says on the passport.”

It could be because different Russian governments played around with the calendar