The time shown when the long hand is at 12 and short hand is at 11 it
The Roman numerals are represented by the following letters:
I=1
V=5
X=10
L=50
C=100
D=500
M=1000
If a numeral is followed by another numeral of lower denomination, the two are added together;
if it is preceded by one of lower denomination, the smaller numeral is subtracted from the greater.
∴11=10+1=XI