Expiration date on futures contracts

In futures contracts, there is an specific expiration date for each contract.

The letters F, G, H, J, K, M, N, Q, U, V, X, Z represent the expiration months for futures contracts. Each letter corresponds to a specific month:

F: January
G: February
H: March
J: April
K: May
M: June
N: July
Q: August
U: September
V: October
X: November
Z: December

Each contract name will be followed by the letter associated with it's expiration date. For example, "BZ.K" refers to Brent Crude Oil future, contract expiring in May.