in the סילוק, (long Yotzer before Kedusha)
"ונחבא בארץ י"ג שנים שלמים ולא ראה שמש וירח"
Avraham Avinu was hidden underground for 13 years
and didn't see the sun & moon.
What's the story?*
READ HERE TO FIND OUT
* Don't bother looking for the story in the
Yiddish Kol Bo Machzor. They have it wrong.
