How to record december checks that cleared in november?

1) comparison- start with the bank statement and general company ledger cash account. check off all items that match

2) add deposits- once comparison is complete, note all items that remain on the company's ledger

3) outstanding checks - deduct outstanding checks from ending balance, these checks haven't cleared the bank.

4)bank series-wound add or deduct any bank errors to the ending balance

5) check register reconciliation- deduct bank service charges

6) interest earned- add interest earned if u have an interest bearing account

7) check register errors- add or deduct errors in the check register

8)journal entries- u may need to prepare journal entries as part of the reconciliation process

9) compare both statements- Compare the adjusted bank statement balance per your reconciliation to the adjusted cash balance per the general ledger. 

Take deep breaths and try to calm yourself down